Package com.blazebit.expression.persistence

Class PersistenceExpressionSerializer

java.lang.Object

com.blazebit.expression.persistence.PersistenceExpressionSerializer

All Implemented Interfaces:

Expression.ResultVisitor<Boolean>, ExpressionSerializer<com.blazebit.persistence.WhereBuilder<?>>

public class PersistenceExpressionSerializer
extends Object
implements Expression.ResultVisitor<Boolean>, ExpressionSerializer<com.blazebit.persistence.WhereBuilder<?>>

Since:

1.0.0

Author:

Christian Beikov

Nested Class Summary

Nested classes/interfaces inherited from interface com.blazebit.expression.ExpressionSerializer

ExpressionSerializer.Context

Field Summary

Fields

Modifier and Type	Field	Description
static String	CONSTANT_INLINING_INTERPRETER_CONTEXT
static String	PATHS_TO_INLINE

Constructor Summary

Constructors

Constructor	Description
PersistenceExpressionSerializer(ExpressionService expressionService)	Creates a new serializer for serializing to a Blaze-Persistence Core WhereBuilder.

Method Summary

Modifier and Type	Method	Description
protected boolean	appendPersistenceAttribute(StringBuilder sb, com.blazebit.domain.runtime.model.EntityDomainTypeAttribute attribute)	Applies a JPQL.Next expression for the entity domain attribute to the given string builder.
ExpressionSerializer.Context	getContext()	Returns the current serialization context.
ExpressionService	getExpressionService()	Returns the domain model.
protected String	getPersistenceAlias(Path p)	Returns the root alias in the query builder for the path.
Map<Object,Object>	getProperties()	Returns the properties map.
StringBuilder	getStringBuilder()	Returns the current string builder to which the serialization is done.
com.blazebit.persistence.WhereBuilder<?>	getWhereBuilder()	Returns the query builder.
String	nextCorrelationAlias()	Returns a new correlation alias that may be used in queries.
String	registerSubqueryProvider(PersistenceSubqueryProvider persistenceSubqueryProvider)	Registers the given subquery provider and returns the alias for it.
void	serializeTo(Expression expression, com.blazebit.persistence.WhereBuilder<?> target)
void	serializeTo(ExpressionSerializer.Context newContext, Expression expression, com.blazebit.persistence.WhereBuilder<?> target)
Boolean	visit(ArithmeticFactor e)
Boolean	visit(BetweenPredicate e)
Boolean	visit(ChainingArithmeticExpression e)
Boolean	visit(CollectionLiteral e)
Boolean	visit(ComparisonPredicate e)
Boolean	visit(CompoundPredicate e)
Boolean	visit(EntityLiteral e)
Boolean	visit(EnumLiteral e)
Boolean	visit(ExpressionPredicate e)
Boolean	visit(FunctionInvocation e)
Boolean	visit(InPredicate e)
Boolean	visit(IsEmptyPredicate e)
Boolean	visit(IsNullPredicate e)
Boolean	visit(Literal e)
Boolean	visit(Path e)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

CONSTANT_INLINING_INTERPRETER_CONTEXT

public static final String CONSTANT_INLINING_INTERPRETER_CONTEXT

See Also:

Constant Field Values

PATHS_TO_INLINE

public static final String PATHS_TO_INLINE

See Also:

Constant Field Values

Constructor Details

PersistenceExpressionSerializer

public PersistenceExpressionSerializer(ExpressionService expressionService)

Creates a new serializer for serializing to a Blaze-Persistence Core WhereBuilder.

Parameters:

expressionService - The expression service

Method Details

getExpressionService

public ExpressionService getExpressionService()

Returns the domain model.

Returns:

the domain model

getContext

public ExpressionSerializer.Context getContext()

Returns the current serialization context.

Returns:

the current serialization context

registerSubqueryProvider

public String registerSubqueryProvider(PersistenceSubqueryProvider persistenceSubqueryProvider)

Registers the given subquery provider and returns the alias for it.

Parameters:

persistenceSubqueryProvider - The subquery provider to register

Returns:

The subquery alias

nextCorrelationAlias

public String nextCorrelationAlias()

Returns a new correlation alias that may be used in queries.

Returns:

The alias

getProperties

public Map<Object,Object> getProperties()

Returns the properties map.

Returns:

the properties map

getStringBuilder

public StringBuilder getStringBuilder()

Returns the current string builder to which the serialization is done.

Returns:

the current string builder

getWhereBuilder

public com.blazebit.persistence.WhereBuilder<?> getWhereBuilder()

Returns the query builder.

Returns:

the query builder

serializeTo

public void serializeTo(Expression expression, com.blazebit.persistence.WhereBuilder<?> target)

Specified by:

serializeTo in interface ExpressionSerializer<com.blazebit.persistence.WhereBuilder<?>>

serializeTo

public void serializeTo(ExpressionSerializer.Context newContext, Expression expression, com.blazebit.persistence.WhereBuilder<?> target)

Specified by:

serializeTo in interface ExpressionSerializer<com.blazebit.persistence.WhereBuilder<?>>

visit

public Boolean visit(FunctionInvocation e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(Literal e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(EnumLiteral e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(EntityLiteral e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(CollectionLiteral e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(Path e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

appendPersistenceAttribute

protected boolean appendPersistenceAttribute(StringBuilder sb, com.blazebit.domain.runtime.model.EntityDomainTypeAttribute attribute)

Applies a JPQL.Next expression for the entity domain attribute to the given string builder.

Parameters:

sb - The string builder to append to

attribute - The entity domain attribute

Returns:

true if no renderer was found, false otherwise

getPersistenceAlias

protected String getPersistenceAlias(Path p)

Returns the root alias in the query builder for the path.

Parameters:

p - The path

Returns:

The alias in the query builder

Throws:

IllegalStateException - when the root variable has no registered query builder alias

visit

public Boolean visit(ArithmeticFactor e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(ExpressionPredicate e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(ChainingArithmeticExpression e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(BetweenPredicate e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(InPredicate e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(CompoundPredicate e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(ComparisonPredicate e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(IsNullPredicate e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>

visit

public Boolean visit(IsEmptyPredicate e)

Specified by:

visit in interface Expression.ResultVisitor<Boolean>