Uses of Package
org.eclipse.persistence.jpa.jpql.parser

Packages that use org.eclipse.persistence.jpa.jpql.parser

Package	Description
org.eclipse.persistence.jpa.jpql	This package contains the Hermes features (except the parser itself): semantic and grammatical validations, content assist support, calculating the query result type or the possible type of an input parameter, refactoring tools.
org.eclipse.persistence.jpa.jpql.parser	This is the core of Hermes, this package contains the classes that can parse a JPQL query.
org.eclipse.persistence.jpa.jpql.tools
org.eclipse.persistence.jpa.jpql.tools.model	The classes defined in this package define the state model API, a state model can be used to manually or programmatically create and edit a JPQL query.
org.eclipse.persistence.jpa.jpql.tools.model.query	This package contains the StateObject classes that represents a JPQL query.
org.eclipse.persistence.jpa.jpql.tools.resolver

Classes in org.eclipse.persistence.jpa.jpql.parser used by org.eclipse.persistence.jpa.jpql

Class	Description
AbsExpression	The ABS function removes the minus sign from a specified argument and returns the absolute value, which is always a positive number or zero.
AbstractConditionalClause	Conditional expressions are composed of other conditional expressions, comparison operations, logical operations, path expressions that evaluate to boolean values, boolean literals, and boolean input parameters.
AbstractDoubleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates two expressions separated by a comma.
AbstractEclipseLinkExpressionVisitor	The abstract implementation of EclipseLinkExpressionVisitor.
AbstractEncapsulatedExpression	This expression handles parsing the identifier followed by an expression encapsulated within parenthesis.
AbstractExpressionVisitor	The abstract definition of ExpressionVisitor, which implements all the methods but does nothing.
AbstractFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
AbstractPathExpression	An identification variable followed by the navigation operator (.) and a state field or association field is a path expression.
AbstractSchemaName	An abstract schema name designates the abstract schema type over which the query ranges.
AbstractSelectClause	The SELECT clause denotes the query result.
AbstractSelectStatement	A query is an operation that retrieves data from one or more tables or views.
AbstractSingleEncapsulatedExpression	This expression handles parsing a JPQL identifier followed by an expression encapsulated within parenthesis.
AbstractTraverseParentVisitor	This ExpressionVisitor traverses up the hierarchy.
AbstractTripleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates three expressions separated by a comma.
AdditionExpression	One of the four binary operators.
AggregateFunction	In the SELECT clause the result of a query may be the result of an aggregate function applied to a path expression.
AllOrAnyExpression	An ALL conditional expression is a predicate that is true if the comparison operation is true for all values in the result of the subquery or the result of the subquery is empty.
AndExpression	The AND logical operator chains multiple criteria together.
AnonymousExpressionVisitor	This visitor allows a subclass to simply override AnonymousExpressionVisitor.visit(Expression) and perform the same task for all visited expressions.
ArithmeticExpression	This expression represents an arithmetic expression, which means the first and second expressions are aggregated with an arithmetic sign.
ArithmeticFactor	This expression simply adds a plus or minus sign to the arithmetic primary expression.
AsOfClause	An AS OF clause is part of a flashback query, which provides ways to view past states of database objects, or to return database objects to a previous state, without using traditional point-in-time recovery.
AvgFunction	One of the aggregate functions.
BadExpression	This wraps another Expression that was correctly parsed by it is located in an invalid location within the JPQL query.
BetweenExpression	Used in conditional expression to determine whether the result of an expression falls within an inclusive range of values.
CaseExpression	BNF: general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END or BNF: simple_case_expression ::= CASE case_operand simple_when_clause {simple_when_clause}* ELSE scalar_expression END
CastExpression	The CAST function cast value to a different type.
CoalesceExpression	A COALESCE expression returns null if all its arguments evaluate to null, and the value of the first non-null argument otherwise.
CollectionExpression	A CollectionExpression wraps many expression which they are separated by spaces and/or commas.
CollectionMemberDeclaration	An identification variable declared by a collection member declaration ranges over values of a collection obtained by navigation using a path expression.
CollectionMemberExpression	This expression tests whether the designated value is a member of the collection specified by the collection-valued path expression.
CollectionValuedPathExpression	A collection_valued_field is designated by the name of an association field in a one-to-many or a many-to-many relationship or by the name of an element collection field.
ComparisonExpression	Only the values of like types are permitted to be compared.
CompoundExpression	A compound expression has a left and right expressions combined by an identifier.
ConcatExpression	The CONCAT function returns a string that is a concatenation of its arguments.
ConnectByClause	The CONNECT BY clause allows selecting rows in a hierarchical order using the hierarchical query clause.
ConstructorExpression	In the SELECT clause a constructor may be used in the SELECT list to return one or more Java instances.
CountFunction	One of the aggregate functions.
DatabaseType	This expression represents the database specific data type, which may include size and scale.
DateTime	This Expression represents a date or time.
DeleteClause	This is the delete clause of the delete statement.
DeleteStatement	Bulk delete operation apply to entities of a single entity class (together with its subclasses, if any).
DivisionExpression	One of the four binary operators.
EclipseLinkExpressionVisitor	The ExpressionVisitor that adds support for the additional JPQL identifiers supported by EclipseLink that is not defined in the JPA function specification.
EmptyCollectionComparisonExpression	This expression tests whether or not the collection designated by the collection-valued path expression is empty (i.e, has no elements).
EntityTypeLiteral	This Expression wraps the name of an entity type.
EntryExpression	An identification variable qualified by the ENTRY operator is a path expression.
ExistsExpression	An EXISTS expression is a predicate that is true only if the result of the subquery consists of one or more values and that is false otherwise.
Expression	This is the root interface of the parsed tree representation of a JPQL query.
ExpressionRegistry	This registry contains the necessary information used by Hermes parser.
ExpressionVisitor	This interface is used to traverse the JPQL parsed tree.
ExtractExpression	The EXTRACT function extracts a date part from a date/time value.
FromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
FunctionExpression	This expression adds support to call native database functions.
GroupByClause	The GROUP BY construct enables the aggregation of values according to the properties of an entity class.
HavingClause	The HAVING construct enables conditions to be specified that further restrict the query result as restrictions upon the groups.
HierarchicalQueryClause	If a table contains hierarchical data, then rows can be selected in a hierarchical order using the hierarchical query clause.
IdentificationVariable	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentificationVariableDeclaration	An identification variable is a valid identifier declared in the FROM clause of a query.
IndexExpression	The INDEX function returns an integer value corresponding to the position of its argument in an ordered list.
InExpression	The state field path expression must have a string, numeric, or enum value.
InputParameter	Either positional or named parameters may be used.
Join	A JOIN enables the fetching of an association as a side effect of the execution of a query.
JPQLExpression	A JPQLExpression is the root of the parsed tree representation of a JPQL query.
JPQLGrammar	A JPQL grammar defines how a JPQL query can be parsed.
JPQLQueryBNF	This defines a single Backus-Naur Form (BNF) of the JPQL grammar.
KeyExpression	An identification variable qualified by the KEY operator is a path expression.
KeywordExpression	The expression representing some keywords: TRUE, FALSE or NULL.
LengthExpression	The LENGTH function returns the length of the string in characters as an integer.
LikeExpression	The LIKE condition is used to specify a search for a pattern.
LocateExpression	The LOCATE function returns the position of a given string within a string, starting the search at a specified position.
LogicalExpression	This expression represents a logical expression, which means the first and second expressions are aggregated with either AND or OR.
LowerExpression	The LOWER function converts a string to lower case and it returns a string.
MaxFunction	One of the aggregate functions.
MinFunction	One of the aggregate functions.
ModExpression	The modulo operation finds the remainder of division of one number by another.
MultiplicationExpression	One of the four binary operators.
NotExpression	BNF: expression ::= NOT conditional_primary
NullComparisonExpression	A null comparison tests whether or not the single-valued path expression or input parameter is a NULL value.
NullExpression	A null Expression is used instead of a true null, which allows operations to be performed without doing a null check first.
NullIfExpression	NULLIF returns the first expression if the two expressions are not equal.
NumericLiteral	Exact numeric literals support the use of Java integer literal syntax as well as SQL exact numeric literal syntax.
ObjectExpression	Stand-alone identification variables in the SELECT clause may optionally be qualified by the OBJECT operator.
OnClause	Returns an expression that allows a join ON clause to be defined.
OrderByClause	The ORDER BY clause allows the objects or values that are returned by the query to be ordered.
OrderByItem	An orderby_item must be one of the following: A state_field_path_expression that evaluates to an orderable state field of an entity or embeddable class abstract schema type designated in the SELECT clause by one of the following: A general_identification_variable A single_valued_object_path_expression A state_field_path_expression that evaluates to the same state field of the same entity or embeddable abstract schema type as a state_field_path_expression in the SELECT clause A result_variable that refers to an orderable item in the SELECT clause for which the same result_variable has been specified.
OrderSiblingsByClause	In a hierarchical query, if the rows of siblings of the same parent need to be ordered, then the ORDER SIBLINGS BY clause should be used.
OrExpression	The OR logical operator chains multiple criteria together.
RangeVariableDeclaration	Range variable declarations allow the developer to designate a "root" for objects which may not be reachable by navigation.
RegexpExpression	The REGEXP condition is used to specify a search for a pattern.
ResultVariable	A result variable may be used to name a select item in the query result.
SelectClause	The SELECT clause queries data from entities.
SelectStatement	A SELECT query is an operation that retrieves data from one or more tables or views.
SimpleFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
SimpleSelectClause	The SELECT statement queries data from entities.
SimpleSelectStatement	BNFL subquery ::= simple_select_clause subquery_from_clause [where_clause] [groupby_clause] [having_clause]
SizeExpression	The SIZE function returns an integer value, the number of elements of the collection.
SqrtExpression	The SQRT function takes a numeric argument and returns a double.
StartWithClause	A START WITH clause is optional and specifies the root row(s) of the hierarchy.
StateFieldPathExpression	A single_valued_association_field is designated by the name of an association-field in a one-to-one or many-to-one relationship.
StringLiteral	A string literal is enclosed in single quotes.
SubExpression	This expression wraps a sub-expression within parenthesis.
SubstringExpression	The second and third arguments of the SUBSTRING function denote the starting position and length of the substring to be returned.
SubtractionExpression	One of the four binary operators.
SumFunction	One of the aggregate functions.
TableExpression	Defines a table expression.
TableVariableDeclaration	Defines a table expression.
TreatExpression	Returns an expression that allows to treat its base as if it were a subclass of the class returned by the base.
TrimExpression	The TRIM function trims the specified character from a string.
TypeExpression	An entity type expression can be used to restrict query polymorphism.
UnionClause	The UNION clause allows the results of two queries to be combined.
UnknownExpression	This expression contains a portion of the query that is unknown to the parser.
UpdateClause	This is the update clause of the update statement.
UpdateItem	The new_value specified for an update operation must be compatible in type with the field to which it is assigned.
UpdateStatement	The UPDATE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.
UpperExpression	The UPPER function converts a string to upper case and it returns a string.
ValueExpression	An identification variable qualified by the VALUE operator is a path expression.
WhenClause	A WHEN predicate is used to calculate a condition and when it's true, its THEN will be executed.
WhereClause	The WHERE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.

Classes in org.eclipse.persistence.jpa.jpql.parser used by org.eclipse.persistence.jpa.jpql.parser

Class	Description
AbsExpression	The ABS function removes the minus sign from a specified argument and returns the absolute value, which is always a positive number or zero.
AbstractConditionalClause	Conditional expressions are composed of other conditional expressions, comparison operations, logical operations, path expressions that evaluate to boolean values, boolean literals, and boolean input parameters.
AbstractDoubleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates two expressions separated by a comma.
AbstractEncapsulatedExpression	This expression handles parsing the identifier followed by an expression encapsulated within parenthesis.
AbstractExpression	This is the abstract definition of all the parts used to create the tree hierarchy representing the parsed JPQL query.
AbstractExpressionVisitor	The abstract definition of ExpressionVisitor, which implements all the methods but does nothing.
AbstractFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
AbstractJPQLGrammar	The abstract definition of a JPQLGrammar.
AbstractLiteralExpressionFactory	This factory is responsible to return the right literal expression.
AbstractOrderByClause	An ordering clause allows the objects or values that are returned by the query to be ordered.
AbstractPathExpression	An identification variable followed by the navigation operator (.) and a state field or association field is a path expression.
AbstractSchemaName	An abstract schema name designates the abstract schema type over which the query ranges.
AbstractSelectClause	The SELECT clause denotes the query result.
AbstractSelectStatement	A query is an operation that retrieves data from one or more tables or views.
AbstractSingleEncapsulatedExpression	This expression handles parsing a JPQL identifier followed by an expression encapsulated within parenthesis.
AbstractTraverseChildrenVisitor	This ExpressionVisitor traverses the entire hierarchy of the JPQL parsed tree by going down into each of the children of any given Expression.
AbstractTraverseParentVisitor	This ExpressionVisitor traverses up the hierarchy.
AbstractTripleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates three expressions separated by a comma.
AdditionExpression	One of the four binary operators.
AggregateFunction	In the SELECT clause the result of a query may be the result of an aggregate function applied to a path expression.
AllOrAnyExpression	An ALL conditional expression is a predicate that is true if the comparison operation is true for all values in the result of the subquery or the result of the subquery is empty.
AndExpression	The AND logical operator chains multiple criteria together.
AnonymousExpressionVisitor	This visitor allows a subclass to simply override AnonymousExpressionVisitor.visit(Expression) and perform the same task for all visited expressions.
ArithmeticExpression	This expression represents an arithmetic expression, which means the first and second expressions are aggregated with an arithmetic sign.
ArithmeticFactor	This expression simply adds a plus or minus sign to the arithmetic primary expression.
AsOfClause	An AS OF clause is part of a flashback query, which provides ways to view past states of database objects, or to return database objects to a previous state, without using traditional point-in-time recovery.
AvgFunction	One of the aggregate functions.
BadExpression	This wraps another Expression that was correctly parsed by it is located in an invalid location within the JPQL query.
BetweenExpression	Used in conditional expression to determine whether the result of an expression falls within an inclusive range of values.
CaseExpression	BNF: general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END or BNF: simple_case_expression ::= CASE case_operand simple_when_clause {simple_when_clause}* ELSE scalar_expression END
CastExpression	The CAST function cast value to a different type.
CoalesceExpression	A COALESCE expression returns null if all its arguments evaluate to null, and the value of the first non-null argument otherwise.
CollectionExpression	A CollectionExpression wraps many expression which they are separated by spaces and/or commas.
CollectionMemberDeclaration	An identification variable declared by a collection member declaration ranges over values of a collection obtained by navigation using a path expression.
CollectionMemberExpression	This expression tests whether the designated value is a member of the collection specified by the collection-valued path expression.
CollectionValuedPathExpression	A collection_valued_field is designated by the name of an association field in a one-to-many or a many-to-many relationship or by the name of an element collection field.
ComparisonExpression	Only the values of like types are permitted to be compared.
CompoundExpression	A compound expression has a left and right expressions combined by an identifier.
ConcatExpression	The CONCAT function returns a string that is a concatenation of its arguments.
ConnectByClause	The CONNECT BY clause allows selecting rows in a hierarchical order using the hierarchical query clause.
ConstructorExpression	In the SELECT clause a constructor may be used in the SELECT list to return one or more Java instances.
CountFunction	One of the aggregate functions.
DatabaseType	This expression represents the database specific data type, which may include size and scale.
DateTime	This Expression represents a date or time.
DeleteClause	This is the delete clause of the delete statement.
DeleteStatement	Bulk delete operation apply to entities of a single entity class (together with its subclasses, if any).
DivisionExpression	One of the four binary operators.
EclipseLinkExpressionVisitor	The ExpressionVisitor that adds support for the additional JPQL identifiers supported by EclipseLink that is not defined in the JPA function specification.
EmptyCollectionComparisonExpression	This expression tests whether or not the collection designated by the collection-valued path expression is empty (i.e, has no elements).
EncapsulatedIdentificationVariableExpression	This Expression represents an identification variable that maps a Map property, either the key, the value or a Map.Entry).
EntityTypeLiteral	This Expression wraps the name of an entity type.
EntryExpression	An identification variable qualified by the ENTRY operator is a path expression.
ExistsExpression	An EXISTS expression is a predicate that is true only if the result of the subquery consists of one or more values and that is false otherwise.
Expression	This is the root interface of the parsed tree representation of a JPQL query.
ExpressionFactory	An ExpressionFactory is responsible to parse a portion of JPQL query which starts with one of the factory's JPQL identifiers.
ExpressionRegistry	This registry contains the necessary information used by Hermes parser.
ExpressionVisitor	This interface is used to traverse the JPQL parsed tree.
ExtractExpression	The EXTRACT function extracts a date part from a date/time value.
FromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
FunctionExpression	This expression adds support to call native database functions.
FunctionExpressionFactory.ParameterCount	The number of parameters a FunctionExpression can have.
GeneralIdentificationExpressionFactory	This ValueExpressionFactory creates a general identification variable, which is either with the identifier KEY or VALUE and then checks the existence of a path expression.
GroupByClause	The GROUP BY construct enables the aggregation of values according to the properties of an entity class.
HavingClause	The HAVING construct enables conditions to be specified that further restrict the query result as restrictions upon the groups.
HierarchicalQueryClause	If a table contains hierarchical data, then rows can be selected in a hierarchical order using the hierarchical query clause.
IdentificationVariable	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentificationVariableDeclaration	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentifierRole	A role describes the purpose of the JPQL identifier.
IndexExpression	The INDEX function returns an integer value corresponding to the position of its argument in an ordered list.
InExpression	The state field path expression must have a string, numeric, or enum value.
InputParameter	Either positional or named parameters may be used.
Join	A JOIN enables the fetching of an association as a side effect of the execution of a query.
JPQLExpression	A JPQLExpression is the root of the parsed tree representation of a JPQL query.
JPQLGrammar	A JPQL grammar defines how a JPQL query can be parsed.
JPQLQueryBNF	This defines a single Backus-Naur Form (BNF) of the JPQL grammar.
KeyExpression	An identification variable qualified by the KEY operator is a path expression.
KeywordExpression	The expression representing some keywords: TRUE, FALSE or NULL.
LengthExpression	The LENGTH function returns the length of the string in characters as an integer.
LikeExpression	The LIKE condition is used to specify a search for a pattern.
LocateExpression	The LOCATE function returns the position of a given string within a string, starting the search at a specified position.
LogicalExpression	This expression represents a logical expression, which means the first and second expressions are aggregated with either AND or OR.
LowerExpression	The LOWER function converts a string to lower case and it returns a string.
MaxFunction	One of the aggregate functions.
MinFunction	One of the aggregate functions.
ModExpression	The modulo operation finds the remainder of division of one number by another.
MultiplicationExpression	One of the four binary operators.
NotExpression	BNF: expression ::= NOT conditional_primary
NullComparisonExpression	A null comparison tests whether or not the single-valued path expression or input parameter is a NULL value.
NullExpression	A null Expression is used instead of a true null, which allows operations to be performed without doing a null check first.
NullIfExpression	NULLIF returns the first expression if the two expressions are not equal.
NumericLiteral	Exact numeric literals support the use of Java integer literal syntax as well as SQL exact numeric literal syntax.
ObjectExpression	Stand-alone identification variables in the SELECT clause may optionally be qualified by the OBJECT operator.
OnClause	Returns an expression that allows a join ON clause to be defined.
OrderByClause	The ORDER BY clause allows the objects or values that are returned by the query to be ordered.
OrderByItem	An orderby_item must be one of the following: A state_field_path_expression that evaluates to an orderable state field of an entity or embeddable class abstract schema type designated in the SELECT clause by one of the following: A general_identification_variable A single_valued_object_path_expression A state_field_path_expression that evaluates to the same state field of the same entity or embeddable abstract schema type as a state_field_path_expression in the SELECT clause A result_variable that refers to an orderable item in the SELECT clause for which the same result_variable has been specified.
OrderByItem.NullOrdering	This enumeration lists all the possible choices for ordering nulls in an item.
OrderByItem.Ordering	This enumeration lists all the possible choices for ordering an item.
OrderSiblingsByClause	In a hierarchical query, if the rows of siblings of the same parent need to be ordered, then the ORDER SIBLINGS BY clause should be used.
OrExpression	The OR logical operator chains multiple criteria together.
QueryPosition	This object contains the cursor position within the parsed tree and within each of the Expression from the root to the deepest leaf.
RangeVariableDeclaration	Range variable declarations allow the developer to designate a "root" for objects which may not be reachable by navigation.
RegexpExpression	The REGEXP condition is used to specify a search for a pattern.
ResultVariable	A result variable may be used to name a select item in the query result.
SelectClause	The SELECT clause queries data from entities.
SelectStatement	A SELECT query is an operation that retrieves data from one or more tables or views.
SimpleFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
SimpleSelectClause	The SELECT statement queries data from entities.
SimpleSelectStatement	BNFL subquery ::= simple_select_clause subquery_from_clause [where_clause] [groupby_clause] [having_clause]
SizeExpression	The SIZE function returns an integer value, the number of elements of the collection.
SqrtExpression	The SQRT function takes a numeric argument and returns a double.
StartWithClause	A START WITH clause is optional and specifies the root row(s) of the hierarchy.
StateFieldPathExpression	A single_valued_association_field is designated by the name of an association-field in a one-to-one or many-to-one relationship.
StringLiteral	A string literal is enclosed in single quotes.
SubExpression	This expression wraps a sub-expression within parenthesis.
SubstringExpression	The second and third arguments of the SUBSTRING function denote the starting position and length of the substring to be returned.
SubtractionExpression	One of the four binary operators.
SumFunction	One of the aggregate functions.
TableExpression	Defines a table expression.
TableVariableDeclaration	Defines a table expression.
TreatExpression	Returns an expression that allows to treat its base as if it were a subclass of the class returned by the base.
TrimExpression	The TRIM function trims the specified character from a string.
TrimExpression.Specification	The possible ways to trim the string.
TypeExpression	An entity type expression can be used to restrict query polymorphism.
UnionClause	The UNION clause allows the results of two queries to be combined.
UnknownExpression	This expression contains a portion of the query that is unknown to the parser.
UpdateClause	This is the update clause of the update statement.
UpdateItem	The new_value specified for an update operation must be compatible in type with the field to which it is assigned.
UpdateStatement	The UPDATE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.
UpperExpression	The UPPER function converts a string to upper case and it returns a string.
ValueExpression	An identification variable qualified by the VALUE operator is a path expression.
WhenClause	A WHEN predicate is used to calculate a condition and when it's true, its THEN will be executed.
WhereClause	The WHERE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.

Classes in org.eclipse.persistence.jpa.jpql.parser used by org.eclipse.persistence.jpa.jpql.tools

Class	Description
AbsExpression	The ABS function removes the minus sign from a specified argument and returns the absolute value, which is always a positive number or zero.
AbstractConditionalClause	Conditional expressions are composed of other conditional expressions, comparison operations, logical operations, path expressions that evaluate to boolean values, boolean literals, and boolean input parameters.
AbstractDoubleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates two expressions separated by a comma.
AbstractEclipseLinkExpressionVisitor	The abstract implementation of EclipseLinkExpressionVisitor.
AbstractExpression	This is the abstract definition of all the parts used to create the tree hierarchy representing the parsed JPQL query.
AbstractExpressionVisitor	The abstract definition of ExpressionVisitor, which implements all the methods but does nothing.
AbstractFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
AbstractOrderByClause	An ordering clause allows the objects or values that are returned by the query to be ordered.
AbstractPathExpression	An identification variable followed by the navigation operator (.) and a state field or association field is a path expression.
AbstractSchemaName	An abstract schema name designates the abstract schema type over which the query ranges.
AbstractSelectClause	The SELECT clause denotes the query result.
AbstractSelectStatement	A query is an operation that retrieves data from one or more tables or views.
AbstractSingleEncapsulatedExpression	This expression handles parsing a JPQL identifier followed by an expression encapsulated within parenthesis.
AbstractTraverseChildrenVisitor	This ExpressionVisitor traverses the entire hierarchy of the JPQL parsed tree by going down into each of the children of any given Expression.
AbstractTraverseParentVisitor	This ExpressionVisitor traverses up the hierarchy.
AbstractTripleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates three expressions separated by a comma.
AdditionExpression	One of the four binary operators.
AggregateFunction	In the SELECT clause the result of a query may be the result of an aggregate function applied to a path expression.
AllOrAnyExpression	An ALL conditional expression is a predicate that is true if the comparison operation is true for all values in the result of the subquery or the result of the subquery is empty.
AndExpression	The AND logical operator chains multiple criteria together.
AnonymousExpressionVisitor	This visitor allows a subclass to simply override AnonymousExpressionVisitor.visit(Expression) and perform the same task for all visited expressions.
ArithmeticExpression	This expression represents an arithmetic expression, which means the first and second expressions are aggregated with an arithmetic sign.
ArithmeticFactor	This expression simply adds a plus or minus sign to the arithmetic primary expression.
AsOfClause	An AS OF clause is part of a flashback query, which provides ways to view past states of database objects, or to return database objects to a previous state, without using traditional point-in-time recovery.
AvgFunction	One of the aggregate functions.
BadExpression	This wraps another Expression that was correctly parsed by it is located in an invalid location within the JPQL query.
BetweenExpression	Used in conditional expression to determine whether the result of an expression falls within an inclusive range of values.
CaseExpression	BNF: general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END or BNF: simple_case_expression ::= CASE case_operand simple_when_clause {simple_when_clause}* ELSE scalar_expression END
CastExpression	The CAST function cast value to a different type.
CoalesceExpression	A COALESCE expression returns null if all its arguments evaluate to null, and the value of the first non-null argument otherwise.
CollectionExpression	A CollectionExpression wraps many expression which they are separated by spaces and/or commas.
CollectionMemberDeclaration	An identification variable declared by a collection member declaration ranges over values of a collection obtained by navigation using a path expression.
CollectionMemberExpression	This expression tests whether the designated value is a member of the collection specified by the collection-valued path expression.
CollectionValuedPathExpression	A collection_valued_field is designated by the name of an association field in a one-to-many or a many-to-many relationship or by the name of an element collection field.
ComparisonExpression	Only the values of like types are permitted to be compared.
CompoundExpression	A compound expression has a left and right expressions combined by an identifier.
ConcatExpression	The CONCAT function returns a string that is a concatenation of its arguments.
ConnectByClause	The CONNECT BY clause allows selecting rows in a hierarchical order using the hierarchical query clause.
ConstructorExpression	In the SELECT clause a constructor may be used in the SELECT list to return one or more Java instances.
CountFunction	One of the aggregate functions.
DatabaseType	This expression represents the database specific data type, which may include size and scale.
DateTime	This Expression represents a date or time.
DeleteClause	This is the delete clause of the delete statement.
DeleteStatement	Bulk delete operation apply to entities of a single entity class (together with its subclasses, if any).
DivisionExpression	One of the four binary operators.
EclipseLinkExpressionVisitor	The ExpressionVisitor that adds support for the additional JPQL identifiers supported by EclipseLink that is not defined in the JPA function specification.
EmptyCollectionComparisonExpression	This expression tests whether or not the collection designated by the collection-valued path expression is empty (i.e, has no elements).
EncapsulatedIdentificationVariableExpression	This Expression represents an identification variable that maps a Map property, either the key, the value or a Map.Entry).
EntityTypeLiteral	This Expression wraps the name of an entity type.
EntryExpression	An identification variable qualified by the ENTRY operator is a path expression.
ExistsExpression	An EXISTS expression is a predicate that is true only if the result of the subquery consists of one or more values and that is false otherwise.
Expression	This is the root interface of the parsed tree representation of a JPQL query.
ExpressionFactory	An ExpressionFactory is responsible to parse a portion of JPQL query which starts with one of the factory's JPQL identifiers.
ExpressionRegistry	This registry contains the necessary information used by Hermes parser.
ExpressionVisitor	This interface is used to traverse the JPQL parsed tree.
ExtractExpression	The EXTRACT function extracts a date part from a date/time value.
FromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
FunctionExpression	This expression adds support to call native database functions.
GroupByClause	The GROUP BY construct enables the aggregation of values according to the properties of an entity class.
HavingClause	The HAVING construct enables conditions to be specified that further restrict the query result as restrictions upon the groups.
HierarchicalQueryClause	If a table contains hierarchical data, then rows can be selected in a hierarchical order using the hierarchical query clause.
IdentificationVariable	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentificationVariableDeclaration	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentifierRole	A role describes the purpose of the JPQL identifier.
IndexExpression	The INDEX function returns an integer value corresponding to the position of its argument in an ordered list.
InExpression	The state field path expression must have a string, numeric, or enum value.
InputParameter	Either positional or named parameters may be used.
Join	A JOIN enables the fetching of an association as a side effect of the execution of a query.
JPQLExpression	A JPQLExpression is the root of the parsed tree representation of a JPQL query.
JPQLGrammar	A JPQL grammar defines how a JPQL query can be parsed.
JPQLQueryBNF	This defines a single Backus-Naur Form (BNF) of the JPQL grammar.
KeyExpression	An identification variable qualified by the KEY operator is a path expression.
KeywordExpression	The expression representing some keywords: TRUE, FALSE or NULL.
LengthExpression	The LENGTH function returns the length of the string in characters as an integer.
LikeExpression	The LIKE condition is used to specify a search for a pattern.
LocateExpression	The LOCATE function returns the position of a given string within a string, starting the search at a specified position.
LogicalExpression	This expression represents a logical expression, which means the first and second expressions are aggregated with either AND or OR.
LowerExpression	The LOWER function converts a string to lower case and it returns a string.
MaxFunction	One of the aggregate functions.
MinFunction	One of the aggregate functions.
ModExpression	The modulo operation finds the remainder of division of one number by another.
MultiplicationExpression	One of the four binary operators.
NotExpression	BNF: expression ::= NOT conditional_primary
NullComparisonExpression	A null comparison tests whether or not the single-valued path expression or input parameter is a NULL value.
NullExpression	A null Expression is used instead of a true null, which allows operations to be performed without doing a null check first.
NullIfExpression	NULLIF returns the first expression if the two expressions are not equal.
NumericLiteral	Exact numeric literals support the use of Java integer literal syntax as well as SQL exact numeric literal syntax.
ObjectExpression	Stand-alone identification variables in the SELECT clause may optionally be qualified by the OBJECT operator.
OnClause	Returns an expression that allows a join ON clause to be defined.
OrderByClause	The ORDER BY clause allows the objects or values that are returned by the query to be ordered.
OrderByItem	An orderby_item must be one of the following: A state_field_path_expression that evaluates to an orderable state field of an entity or embeddable class abstract schema type designated in the SELECT clause by one of the following: A general_identification_variable A single_valued_object_path_expression A state_field_path_expression that evaluates to the same state field of the same entity or embeddable abstract schema type as a state_field_path_expression in the SELECT clause A result_variable that refers to an orderable item in the SELECT clause for which the same result_variable has been specified.
OrderSiblingsByClause	In a hierarchical query, if the rows of siblings of the same parent need to be ordered, then the ORDER SIBLINGS BY clause should be used.
OrExpression	The OR logical operator chains multiple criteria together.
QueryPosition	This object contains the cursor position within the parsed tree and within each of the Expression from the root to the deepest leaf.
RangeVariableDeclaration	Range variable declarations allow the developer to designate a "root" for objects which may not be reachable by navigation.
RegexpExpression	The REGEXP condition is used to specify a search for a pattern.
ResultVariable	A result variable may be used to name a select item in the query result.
SelectClause	The SELECT clause queries data from entities.
SelectStatement	A SELECT query is an operation that retrieves data from one or more tables or views.
SimpleFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
SimpleSelectClause	The SELECT statement queries data from entities.
SimpleSelectStatement	BNFL subquery ::= simple_select_clause subquery_from_clause [where_clause] [groupby_clause] [having_clause]
SizeExpression	The SIZE function returns an integer value, the number of elements of the collection.
SqrtExpression	The SQRT function takes a numeric argument and returns a double.
StartWithClause	A START WITH clause is optional and specifies the root row(s) of the hierarchy.
StateFieldPathExpression	A single_valued_association_field is designated by the name of an association-field in a one-to-one or many-to-one relationship.
StringLiteral	A string literal is enclosed in single quotes.
SubExpression	This expression wraps a sub-expression within parenthesis.
SubstringExpression	The second and third arguments of the SUBSTRING function denote the starting position and length of the substring to be returned.
SubtractionExpression	One of the four binary operators.
SumFunction	One of the aggregate functions.
TableExpression	Defines a table expression.
TableVariableDeclaration	Defines a table expression.
TreatExpression	Returns an expression that allows to treat its base as if it were a subclass of the class returned by the base.
TrimExpression	The TRIM function trims the specified character from a string.
TypeExpression	An entity type expression can be used to restrict query polymorphism.
UnionClause	The UNION clause allows the results of two queries to be combined.
UnknownExpression	This expression contains a portion of the query that is unknown to the parser.
UpdateClause	This is the update clause of the update statement.
UpdateItem	The new_value specified for an update operation must be compatible in type with the field to which it is assigned.
UpdateStatement	The UPDATE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.
UpperExpression	The UPPER function converts a string to upper case and it returns a string.
ValueExpression	An identification variable qualified by the VALUE operator is a path expression.
WhenClause	A WHEN predicate is used to calculate a condition and when it's true, its THEN will be executed.
WhereClause	The WHERE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.

Classes in org.eclipse.persistence.jpa.jpql.parser used by org.eclipse.persistence.jpa.jpql.tools.model

Class	Description
AbsExpression	The ABS function removes the minus sign from a specified argument and returns the absolute value, which is always a positive number or zero.
AbstractExpressionVisitor	The abstract definition of ExpressionVisitor, which implements all the methods but does nothing.
AbstractSchemaName	An abstract schema name designates the abstract schema type over which the query ranges.
AbstractTraverseChildrenVisitor	This ExpressionVisitor traverses the entire hierarchy of the JPQL parsed tree by going down into each of the children of any given Expression.
AdditionExpression	One of the four binary operators.
AllOrAnyExpression	An ALL conditional expression is a predicate that is true if the comparison operation is true for all values in the result of the subquery or the result of the subquery is empty.
AndExpression	The AND logical operator chains multiple criteria together.
AnonymousExpressionVisitor	This visitor allows a subclass to simply override AnonymousExpressionVisitor.visit(Expression) and perform the same task for all visited expressions.
ArithmeticFactor	This expression simply adds a plus or minus sign to the arithmetic primary expression.
AsOfClause	An AS OF clause is part of a flashback query, which provides ways to view past states of database objects, or to return database objects to a previous state, without using traditional point-in-time recovery.
AvgFunction	One of the aggregate functions.
BadExpression	This wraps another Expression that was correctly parsed by it is located in an invalid location within the JPQL query.
BetweenExpression	Used in conditional expression to determine whether the result of an expression falls within an inclusive range of values.
CaseExpression	BNF: general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END or BNF: simple_case_expression ::= CASE case_operand simple_when_clause {simple_when_clause}* ELSE scalar_expression END
CastExpression	The CAST function cast value to a different type.
CoalesceExpression	A COALESCE expression returns null if all its arguments evaluate to null, and the value of the first non-null argument otherwise.
CollectionExpression	A CollectionExpression wraps many expression which they are separated by spaces and/or commas.
CollectionMemberDeclaration	An identification variable declared by a collection member declaration ranges over values of a collection obtained by navigation using a path expression.
CollectionMemberExpression	This expression tests whether the designated value is a member of the collection specified by the collection-valued path expression.
CollectionValuedPathExpression	A collection_valued_field is designated by the name of an association field in a one-to-many or a many-to-many relationship or by the name of an element collection field.
ComparisonExpression	Only the values of like types are permitted to be compared.
ConcatExpression	The CONCAT function returns a string that is a concatenation of its arguments.
ConnectByClause	The CONNECT BY clause allows selecting rows in a hierarchical order using the hierarchical query clause.
ConstructorExpression	In the SELECT clause a constructor may be used in the SELECT list to return one or more Java instances.
CountFunction	One of the aggregate functions.
DatabaseType	This expression represents the database specific data type, which may include size and scale.
DateTime	This Expression represents a date or time.
DeleteClause	This is the delete clause of the delete statement.
DeleteStatement	Bulk delete operation apply to entities of a single entity class (together with its subclasses, if any).
DivisionExpression	One of the four binary operators.
EclipseLinkExpressionVisitor	The ExpressionVisitor that adds support for the additional JPQL identifiers supported by EclipseLink that is not defined in the JPA function specification.
EmptyCollectionComparisonExpression	This expression tests whether or not the collection designated by the collection-valued path expression is empty (i.e, has no elements).
EntityTypeLiteral	This Expression wraps the name of an entity type.
EntryExpression	An identification variable qualified by the ENTRY operator is a path expression.
ExistsExpression	An EXISTS expression is a predicate that is true only if the result of the subquery consists of one or more values and that is false otherwise.
Expression	This is the root interface of the parsed tree representation of a JPQL query.
ExpressionVisitor	This interface is used to traverse the JPQL parsed tree.
ExtractExpression	The EXTRACT function extracts a date part from a date/time value.
FromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
FunctionExpression	This expression adds support to call native database functions.
GroupByClause	The GROUP BY construct enables the aggregation of values according to the properties of an entity class.
HavingClause	The HAVING construct enables conditions to be specified that further restrict the query result as restrictions upon the groups.
HierarchicalQueryClause	If a table contains hierarchical data, then rows can be selected in a hierarchical order using the hierarchical query clause.
IdentificationVariable	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentificationVariableDeclaration	An identification variable is a valid identifier declared in the FROM clause of a query.
IndexExpression	The INDEX function returns an integer value corresponding to the position of its argument in an ordered list.
InExpression	The state field path expression must have a string, numeric, or enum value.
InputParameter	Either positional or named parameters may be used.
Join	A JOIN enables the fetching of an association as a side effect of the execution of a query.
JPQLExpression	A JPQLExpression is the root of the parsed tree representation of a JPQL query.
JPQLGrammar	A JPQL grammar defines how a JPQL query can be parsed.
KeyExpression	An identification variable qualified by the KEY operator is a path expression.
KeywordExpression	The expression representing some keywords: TRUE, FALSE or NULL.
LengthExpression	The LENGTH function returns the length of the string in characters as an integer.
LikeExpression	The LIKE condition is used to specify a search for a pattern.
LocateExpression	The LOCATE function returns the position of a given string within a string, starting the search at a specified position.
LowerExpression	The LOWER function converts a string to lower case and it returns a string.
MaxFunction	One of the aggregate functions.
MinFunction	One of the aggregate functions.
ModExpression	The modulo operation finds the remainder of division of one number by another.
MultiplicationExpression	One of the four binary operators.
NotExpression	BNF: expression ::= NOT conditional_primary
NullComparisonExpression	A null comparison tests whether or not the single-valued path expression or input parameter is a NULL value.
NullExpression	A null Expression is used instead of a true null, which allows operations to be performed without doing a null check first.
NullIfExpression	NULLIF returns the first expression if the two expressions are not equal.
NumericLiteral	Exact numeric literals support the use of Java integer literal syntax as well as SQL exact numeric literal syntax.
ObjectExpression	Stand-alone identification variables in the SELECT clause may optionally be qualified by the OBJECT operator.
OnClause	Returns an expression that allows a join ON clause to be defined.
OrderByClause	The ORDER BY clause allows the objects or values that are returned by the query to be ordered.
OrderByItem	An orderby_item must be one of the following: A state_field_path_expression that evaluates to an orderable state field of an entity or embeddable class abstract schema type designated in the SELECT clause by one of the following: A general_identification_variable A single_valued_object_path_expression A state_field_path_expression that evaluates to the same state field of the same entity or embeddable abstract schema type as a state_field_path_expression in the SELECT clause A result_variable that refers to an orderable item in the SELECT clause for which the same result_variable has been specified.
OrderSiblingsByClause	In a hierarchical query, if the rows of siblings of the same parent need to be ordered, then the ORDER SIBLINGS BY clause should be used.
OrExpression	The OR logical operator chains multiple criteria together.
RangeVariableDeclaration	Range variable declarations allow the developer to designate a "root" for objects which may not be reachable by navigation.
RegexpExpression	The REGEXP condition is used to specify a search for a pattern.
ResultVariable	A result variable may be used to name a select item in the query result.
SelectClause	The SELECT clause queries data from entities.
SelectStatement	A SELECT query is an operation that retrieves data from one or more tables or views.
SimpleFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
SimpleSelectClause	The SELECT statement queries data from entities.
SimpleSelectStatement	BNFL subquery ::= simple_select_clause subquery_from_clause [where_clause] [groupby_clause] [having_clause]
SizeExpression	The SIZE function returns an integer value, the number of elements of the collection.
SqrtExpression	The SQRT function takes a numeric argument and returns a double.
StartWithClause	A START WITH clause is optional and specifies the root row(s) of the hierarchy.
StateFieldPathExpression	A single_valued_association_field is designated by the name of an association-field in a one-to-one or many-to-one relationship.
StringLiteral	A string literal is enclosed in single quotes.
SubExpression	This expression wraps a sub-expression within parenthesis.
SubstringExpression	The second and third arguments of the SUBSTRING function denote the starting position and length of the substring to be returned.
SubtractionExpression	One of the four binary operators.
SumFunction	One of the aggregate functions.
TableExpression	Defines a table expression.
TableVariableDeclaration	Defines a table expression.
TreatExpression	Returns an expression that allows to treat its base as if it were a subclass of the class returned by the base.
TrimExpression	The TRIM function trims the specified character from a string.
TrimExpression.Specification	The possible ways to trim the string.
TypeExpression	An entity type expression can be used to restrict query polymorphism.
UnionClause	The UNION clause allows the results of two queries to be combined.
UnknownExpression	This expression contains a portion of the query that is unknown to the parser.
UpdateClause	This is the update clause of the update statement.
UpdateItem	The new_value specified for an update operation must be compatible in type with the field to which it is assigned.
UpdateStatement	The UPDATE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.
UpperExpression	The UPPER function converts a string to upper case and it returns a string.
ValueExpression	An identification variable qualified by the VALUE operator is a path expression.
WhenClause	A WHEN predicate is used to calculate a condition and when it's true, its THEN will be executed.
WhereClause	The WHERE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.

Classes in org.eclipse.persistence.jpa.jpql.parser used by org.eclipse.persistence.jpa.jpql.tools.model.query

Class	Description
AbsExpression	The ABS function removes the minus sign from a specified argument and returns the absolute value, which is always a positive number or zero.
AbstractDoubleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates two expressions separated by a comma.
AbstractEncapsulatedExpression	This expression handles parsing the identifier followed by an expression encapsulated within parenthesis.
AbstractFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
AbstractPathExpression	An identification variable followed by the navigation operator (.) and a state field or association field is a path expression.
AbstractSchemaName	An abstract schema name designates the abstract schema type over which the query ranges.
AbstractSelectClause	The SELECT clause denotes the query result.
AbstractSelectStatement	A query is an operation that retrieves data from one or more tables or views.
AbstractSingleEncapsulatedExpression	This expression handles parsing a JPQL identifier followed by an expression encapsulated within parenthesis.
AbstractTripleEncapsulatedExpression	This Expression takes care of parsing an expression that encapsulates three expressions separated by a comma.
AdditionExpression	One of the four binary operators.
AggregateFunction	In the SELECT clause the result of a query may be the result of an aggregate function applied to a path expression.
AllOrAnyExpression	An ALL conditional expression is a predicate that is true if the comparison operation is true for all values in the result of the subquery or the result of the subquery is empty.
AndExpression	The AND logical operator chains multiple criteria together.
ArithmeticExpression	This expression represents an arithmetic expression, which means the first and second expressions are aggregated with an arithmetic sign.
ArithmeticFactor	This expression simply adds a plus or minus sign to the arithmetic primary expression.
AvgFunction	One of the aggregate functions.
BadExpression	This wraps another Expression that was correctly parsed by it is located in an invalid location within the JPQL query.
BetweenExpression	Used in conditional expression to determine whether the result of an expression falls within an inclusive range of values.
CaseExpression	BNF: general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END or BNF: simple_case_expression ::= CASE case_operand simple_when_clause {simple_when_clause}* ELSE scalar_expression END
CoalesceExpression	A COALESCE expression returns null if all its arguments evaluate to null, and the value of the first non-null argument otherwise.
CollectionExpression	A CollectionExpression wraps many expression which they are separated by spaces and/or commas.
CollectionMemberDeclaration	An identification variable declared by a collection member declaration ranges over values of a collection obtained by navigation using a path expression.
CollectionMemberExpression	This expression tests whether the designated value is a member of the collection specified by the collection-valued path expression.
CollectionValuedPathExpression	A collection_valued_field is designated by the name of an association field in a one-to-many or a many-to-many relationship or by the name of an element collection field.
ComparisonExpression	Only the values of like types are permitted to be compared.
CompoundExpression	A compound expression has a left and right expressions combined by an identifier.
ConcatExpression	The CONCAT function returns a string that is a concatenation of its arguments.
ConstructorExpression	In the SELECT clause a constructor may be used in the SELECT list to return one or more Java instances.
CountFunction	One of the aggregate functions.
DateTime	This Expression represents a date or time.
DeleteClause	This is the delete clause of the delete statement.
DeleteStatement	Bulk delete operation apply to entities of a single entity class (together with its subclasses, if any).
DivisionExpression	One of the four binary operators.
EmptyCollectionComparisonExpression	This expression tests whether or not the collection designated by the collection-valued path expression is empty (i.e, has no elements).
EncapsulatedIdentificationVariableExpression	This Expression represents an identification variable that maps a Map property, either the key, the value or a Map.Entry).
EntityTypeLiteral	This Expression wraps the name of an entity type.
EntryExpression	An identification variable qualified by the ENTRY operator is a path expression.
ExistsExpression	An EXISTS expression is a predicate that is true only if the result of the subquery consists of one or more values and that is false otherwise.
Expression	This is the root interface of the parsed tree representation of a JPQL query.
FromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
FunctionExpression	This expression adds support to call native database functions.
GroupByClause	The GROUP BY construct enables the aggregation of values according to the properties of an entity class.
HavingClause	The HAVING construct enables conditions to be specified that further restrict the query result as restrictions upon the groups.
IdentificationVariable	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentificationVariableDeclaration	An identification variable is a valid identifier declared in the FROM clause of a query.
IndexExpression	The INDEX function returns an integer value corresponding to the position of its argument in an ordered list.
InExpression	The state field path expression must have a string, numeric, or enum value.
InputParameter	Either positional or named parameters may be used.
Join	A JOIN enables the fetching of an association as a side effect of the execution of a query.
JPQLExpression	A JPQLExpression is the root of the parsed tree representation of a JPQL query.
JPQLGrammar	A JPQL grammar defines how a JPQL query can be parsed.
KeyExpression	An identification variable qualified by the KEY operator is a path expression.
KeywordExpression	The expression representing some keywords: TRUE, FALSE or NULL.
LengthExpression	The LENGTH function returns the length of the string in characters as an integer.
LikeExpression	The LIKE condition is used to specify a search for a pattern.
LocateExpression	The LOCATE function returns the position of a given string within a string, starting the search at a specified position.
LogicalExpression	This expression represents a logical expression, which means the first and second expressions are aggregated with either AND or OR.
LowerExpression	The LOWER function converts a string to lower case and it returns a string.
MaxFunction	One of the aggregate functions.
MinFunction	One of the aggregate functions.
ModExpression	The modulo operation finds the remainder of division of one number by another.
MultiplicationExpression	One of the four binary operators.
NotExpression	BNF: expression ::= NOT conditional_primary
NullComparisonExpression	A null comparison tests whether or not the single-valued path expression or input parameter is a NULL value.
NullIfExpression	NULLIF returns the first expression if the two expressions are not equal.
NumericLiteral	Exact numeric literals support the use of Java integer literal syntax as well as SQL exact numeric literal syntax.
ObjectExpression	Stand-alone identification variables in the SELECT clause may optionally be qualified by the OBJECT operator.
OrderByClause	The ORDER BY clause allows the objects or values that are returned by the query to be ordered.
OrderByItem	An orderby_item must be one of the following: A state_field_path_expression that evaluates to an orderable state field of an entity or embeddable class abstract schema type designated in the SELECT clause by one of the following: A general_identification_variable A single_valued_object_path_expression A state_field_path_expression that evaluates to the same state field of the same entity or embeddable abstract schema type as a state_field_path_expression in the SELECT clause A result_variable that refers to an orderable item in the SELECT clause for which the same result_variable has been specified.
OrderByItem.Ordering	This enumeration lists all the possible choices for ordering an item.
OrExpression	The OR logical operator chains multiple criteria together.
RangeVariableDeclaration	Range variable declarations allow the developer to designate a "root" for objects which may not be reachable by navigation.
ResultVariable	A result variable may be used to name a select item in the query result.
SelectClause	The SELECT clause queries data from entities.
SelectStatement	A SELECT query is an operation that retrieves data from one or more tables or views.
SimpleFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
SimpleSelectClause	The SELECT statement queries data from entities.
SimpleSelectStatement	BNFL subquery ::= simple_select_clause subquery_from_clause [where_clause] [groupby_clause] [having_clause]
SizeExpression	The SIZE function returns an integer value, the number of elements of the collection.
SqrtExpression	The SQRT function takes a numeric argument and returns a double.
StateFieldPathExpression	A single_valued_association_field is designated by the name of an association-field in a one-to-one or many-to-one relationship.
StringLiteral	A string literal is enclosed in single quotes.
SubExpression	This expression wraps a sub-expression within parenthesis.
SubstringExpression	The second and third arguments of the SUBSTRING function denote the starting position and length of the substring to be returned.
SubtractionExpression	One of the four binary operators.
SumFunction	One of the aggregate functions.
TreatExpression	Returns an expression that allows to treat its base as if it were a subclass of the class returned by the base.
TrimExpression	The TRIM function trims the specified character from a string.
TrimExpression.Specification	The possible ways to trim the string.
TypeExpression	An entity type expression can be used to restrict query polymorphism.
UnknownExpression	This expression contains a portion of the query that is unknown to the parser.
UpdateClause	This is the update clause of the update statement.
UpdateItem	The new_value specified for an update operation must be compatible in type with the field to which it is assigned.
UpdateStatement	The UPDATE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.
UpperExpression	The UPPER function converts a string to upper case and it returns a string.
ValueExpression	An identification variable qualified by the VALUE operator is a path expression.
WhenClause	A WHEN predicate is used to calculate a condition and when it's true, its THEN will be executed.
WhereClause	The WHERE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.

Classes in org.eclipse.persistence.jpa.jpql.parser used by org.eclipse.persistence.jpa.jpql.tools.resolver

Class	Description
AbsExpression	The ABS function removes the minus sign from a specified argument and returns the absolute value, which is always a positive number or zero.
AbstractEclipseLinkExpressionVisitor	The abstract implementation of EclipseLinkExpressionVisitor.
AbstractExpressionVisitor	The abstract definition of ExpressionVisitor, which implements all the methods but does nothing.
AbstractPathExpression	An identification variable followed by the navigation operator (.) and a state field or association field is a path expression.
AbstractSchemaName	An abstract schema name designates the abstract schema type over which the query ranges.
AdditionExpression	One of the four binary operators.
AllOrAnyExpression	An ALL conditional expression is a predicate that is true if the comparison operation is true for all values in the result of the subquery or the result of the subquery is empty.
AndExpression	The AND logical operator chains multiple criteria together.
AnonymousExpressionVisitor	This visitor allows a subclass to simply override AnonymousExpressionVisitor.visit(Expression) and perform the same task for all visited expressions.
ArithmeticExpression	This expression represents an arithmetic expression, which means the first and second expressions are aggregated with an arithmetic sign.
ArithmeticFactor	This expression simply adds a plus or minus sign to the arithmetic primary expression.
AvgFunction	One of the aggregate functions.
BadExpression	This wraps another Expression that was correctly parsed by it is located in an invalid location within the JPQL query.
BetweenExpression	Used in conditional expression to determine whether the result of an expression falls within an inclusive range of values.
CaseExpression	BNF: general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END or BNF: simple_case_expression ::= CASE case_operand simple_when_clause {simple_when_clause}* ELSE scalar_expression END
CoalesceExpression	A COALESCE expression returns null if all its arguments evaluate to null, and the value of the first non-null argument otherwise.
CollectionExpression	A CollectionExpression wraps many expression which they are separated by spaces and/or commas.
CollectionMemberDeclaration	An identification variable declared by a collection member declaration ranges over values of a collection obtained by navigation using a path expression.
CollectionMemberExpression	This expression tests whether the designated value is a member of the collection specified by the collection-valued path expression.
CollectionValuedPathExpression	A collection_valued_field is designated by the name of an association field in a one-to-many or a many-to-many relationship or by the name of an element collection field.
ComparisonExpression	Only the values of like types are permitted to be compared.
ConcatExpression	The CONCAT function returns a string that is a concatenation of its arguments.
ConstructorExpression	In the SELECT clause a constructor may be used in the SELECT list to return one or more Java instances.
CountFunction	One of the aggregate functions.
DateTime	This Expression represents a date or time.
DeleteClause	This is the delete clause of the delete statement.
DeleteStatement	Bulk delete operation apply to entities of a single entity class (together with its subclasses, if any).
DivisionExpression	One of the four binary operators.
EclipseLinkExpressionVisitor	The ExpressionVisitor that adds support for the additional JPQL identifiers supported by EclipseLink that is not defined in the JPA function specification.
EmptyCollectionComparisonExpression	This expression tests whether or not the collection designated by the collection-valued path expression is empty (i.e, has no elements).
EntityTypeLiteral	This Expression wraps the name of an entity type.
EntryExpression	An identification variable qualified by the ENTRY operator is a path expression.
ExistsExpression	An EXISTS expression is a predicate that is true only if the result of the subquery consists of one or more values and that is false otherwise.
Expression	This is the root interface of the parsed tree representation of a JPQL query.
ExpressionVisitor	This interface is used to traverse the JPQL parsed tree.
FromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
FunctionExpression	This expression adds support to call native database functions.
GroupByClause	The GROUP BY construct enables the aggregation of values according to the properties of an entity class.
HavingClause	The HAVING construct enables conditions to be specified that further restrict the query result as restrictions upon the groups.
IdentificationVariable	An identification variable is a valid identifier declared in the FROM clause of a query.
IdentificationVariableDeclaration	An identification variable is a valid identifier declared in the FROM clause of a query.
IndexExpression	The INDEX function returns an integer value corresponding to the position of its argument in an ordered list.
InExpression	The state field path expression must have a string, numeric, or enum value.
InputParameter	Either positional or named parameters may be used.
Join	A JOIN enables the fetching of an association as a side effect of the execution of a query.
JPQLExpression	A JPQLExpression is the root of the parsed tree representation of a JPQL query.
KeyExpression	An identification variable qualified by the KEY operator is a path expression.
KeywordExpression	The expression representing some keywords: TRUE, FALSE or NULL.
LengthExpression	The LENGTH function returns the length of the string in characters as an integer.
LikeExpression	The LIKE condition is used to specify a search for a pattern.
LocateExpression	The LOCATE function returns the position of a given string within a string, starting the search at a specified position.
LowerExpression	The LOWER function converts a string to lower case and it returns a string.
MaxFunction	One of the aggregate functions.
MinFunction	One of the aggregate functions.
ModExpression	The modulo operation finds the remainder of division of one number by another.
MultiplicationExpression	One of the four binary operators.
NotExpression	BNF: expression ::= NOT conditional_primary
NullComparisonExpression	A null comparison tests whether or not the single-valued path expression or input parameter is a NULL value.
NullExpression	A null Expression is used instead of a true null, which allows operations to be performed without doing a null check first.
NullIfExpression	NULLIF returns the first expression if the two expressions are not equal.
NumericLiteral	Exact numeric literals support the use of Java integer literal syntax as well as SQL exact numeric literal syntax.
ObjectExpression	Stand-alone identification variables in the SELECT clause may optionally be qualified by the OBJECT operator.
OnClause	Returns an expression that allows a join ON clause to be defined.
OrderByClause	The ORDER BY clause allows the objects or values that are returned by the query to be ordered.
OrderByItem	An orderby_item must be one of the following: A state_field_path_expression that evaluates to an orderable state field of an entity or embeddable class abstract schema type designated in the SELECT clause by one of the following: A general_identification_variable A single_valued_object_path_expression A state_field_path_expression that evaluates to the same state field of the same entity or embeddable abstract schema type as a state_field_path_expression in the SELECT clause A result_variable that refers to an orderable item in the SELECT clause for which the same result_variable has been specified.
OrExpression	The OR logical operator chains multiple criteria together.
RangeVariableDeclaration	Range variable declarations allow the developer to designate a "root" for objects which may not be reachable by navigation.
ResultVariable	A result variable may be used to name a select item in the query result.
SelectClause	The SELECT clause queries data from entities.
SelectStatement	A SELECT query is an operation that retrieves data from one or more tables or views.
SimpleFromClause	The FROM clause of a query defines the domain of the query by declaring identification variables.
SimpleSelectClause	The SELECT statement queries data from entities.
SimpleSelectStatement	BNFL subquery ::= simple_select_clause subquery_from_clause [where_clause] [groupby_clause] [having_clause]
SizeExpression	The SIZE function returns an integer value, the number of elements of the collection.
SqrtExpression	The SQRT function takes a numeric argument and returns a double.
StateFieldPathExpression	A single_valued_association_field is designated by the name of an association-field in a one-to-one or many-to-one relationship.
StringLiteral	A string literal is enclosed in single quotes.
SubExpression	This expression wraps a sub-expression within parenthesis.
SubstringExpression	The second and third arguments of the SUBSTRING function denote the starting position and length of the substring to be returned.
SubtractionExpression	One of the four binary operators.
SumFunction	One of the aggregate functions.
TableVariableDeclaration	Defines a table expression.
TreatExpression	Returns an expression that allows to treat its base as if it were a subclass of the class returned by the base.
TrimExpression	The TRIM function trims the specified character from a string.
TypeExpression	An entity type expression can be used to restrict query polymorphism.
UnknownExpression	This expression contains a portion of the query that is unknown to the parser.
UpdateClause	This is the update clause of the update statement.
UpdateItem	The new_value specified for an update operation must be compatible in type with the field to which it is assigned.
UpdateStatement	The UPDATE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.
UpperExpression	The UPPER function converts a string to upper case and it returns a string.
ValueExpression	An identification variable qualified by the VALUE operator is a path expression.
WhenClause	A WHEN predicate is used to calculate a condition and when it's true, its THEN will be executed.
WhereClause	The WHERE clause of a query consists of a conditional expression used to select objects or values that satisfy the expression.