程序包 org.hibernate.hql.internal.ast.util

类 SessionFactoryHelper

  • public class SessionFactoryHelper
extends Object
    Helper for performing common and/or complex operations with the SessionFactoryImplementor during translation of an HQL query.
    作者:
    Joshua Davis

    • 构造器详细资料

      • SessionFactoryHelper

        public SessionFactoryHelper​(SessionFactoryImplementor sfi)
        Construct a new SessionFactoryHelper instance.
        参数:
        sfi - The SessionFactory impl to be encapsulated.

    • 方法详细资料

      • getFactory

        public SessionFactoryImplementor getFactory()
        Get a handle to the encapsulated SessionFactory.
        返回:
        The encapsulated SessionFactory.

      • hasPhysicalDiscriminatorColumn

        public boolean hasPhysicalDiscriminatorColumn​(Queryable persister)
        Does the given persister define a physical discriminator column for the purpose of inheritance discrimination?
        参数:
        persister - The persister to be checked.
        返回:
        True if the persister does define an actual discriminator column.

      • getImportedClassName

        public String getImportedClassName​(String className)
        Given a (potentially unqualified) class name, locate its imported qualified name.
        参数:
        className - The potentially unqualified class name
        返回:
        The qualified class name.

      • findQueryableUsingImports

        public Queryable findQueryableUsingImports​(String className)
        Given a (potentially unqualified) class name, locate its persister.
        参数:
        className - The (potentially unqualified) class name.
        返回:
        The defined persister for this class, or null if none found.

      • findQueryableUsingImports

        public static Queryable findQueryableUsingImports​(SessionFactoryImplementor sfi,
                                                  String className)
        Given a (potentially unqualified) class name, locate its persister.
        参数:
        sfi - The session factory implementor.
        className - The (potentially unqualified) class name.
        返回:
        The defined persister for this class, or null if none found.

      • findEntityPersisterByName

        public EntityPersister findEntityPersisterByName​(String name)
                                          throws MappingException
        Locate the persister by class or entity name.
        参数:
        name - The class or entity name
        返回:
        The defined persister for this entity, or null if none found.
        抛出:
        MappingException

      • requireClassPersister

        public EntityPersister requireClassPersister​(String name)
                                      throws antlr.SemanticException
        Locate the persister by class or entity name, requiring that such a persister exist.
        参数:
        name - The class or entity name
        返回:
        The defined persister for this entity
        抛出:
        antlr.SemanticException - Indicates the persister could not be found

      • getCollectionPersister

        public QueryableCollection getCollectionPersister​(String role)
        Locate the collection persister by the collection role.
        参数:
        role - The collection role name.
        返回:
        The defined CollectionPersister for this collection role, or null.

      • requireQueryableCollection

        public QueryableCollection requireQueryableCollection​(String role)
                                               throws QueryException
        Locate the collection persister by the collection role, requiring that such a persister exist.
        参数:
        role - The collection role name.
        返回:
        The defined CollectionPersister for this collection role.
        抛出:
        QueryException - Indicates that the collection persister could not be found.

      • getCollectionPropertyMapping

        public PropertyMapping getCollectionPropertyMapping​(String role)
        Retrieve a PropertyMapping describing the given collection role.
        参数:
        role - The collection role for which to retrieve the property mapping.
        返回:
        The property mapping.

      • getCollectionElementColumns

        public String[] getCollectionElementColumns​(String role,
                                            String roleAlias)
        Retrieves the column names corresponding to the collection elements for the given collection role.
        参数:
        role - The collection role
        roleAlias - The sql column-qualification alias (i.e., the table alias)
        返回:
        the collection element columns

      • createJoinSequence

        public JoinSequence createJoinSequence()
        Generate an empty join sequence instance.
        返回:
        The generate join sequence.

      • createJoinSequence

        public JoinSequence createJoinSequence​(boolean implicit,
                                       AssociationType associationType,
                                       String tableAlias,
                                       JoinType joinType,
                                       String[] columns)
        Generate a join sequence representing the given association type.
        参数:
        implicit - Should implicit joins (theta-style) or explicit joins (ANSI-style) be rendered
        associationType - The type representing the thing to be joined into.
        tableAlias - The table alias to use in qualifying the join conditions
        joinType - The type of join to render (inner, outer, etc); see JoinFragment
        columns - The columns making up the condition of the join.
        返回:
        The generated join sequence.

      • createJoinSequence

        public JoinSequence createJoinSequence​(boolean implicit,
                                       AssociationType associationType,
                                       String tableAlias,
                                       JoinType joinType,
                                       String[][] columns)
        Generate a join sequence representing the given association type.
        参数:
        implicit - Should implicit joins (theta-style) or explicit joins (ANSI-style) be rendered
        associationType - The type representing the thing to be joined into.
        tableAlias - The table alias to use in qualifying the join conditions
        joinType - The type of join to render (inner, outer, etc); see JoinFragment
        columns - The columns making up the condition of the join.
        返回:
        The generated join sequence.

      • createCollectionJoinSequence

        public JoinSequence createCollectionJoinSequence​(QueryableCollection collPersister,
                                                 String collectionName)
        Create a join sequence rooted at the given collection.
        参数:
        collPersister - The persister for the collection at which the join should be rooted.
        collectionName - The alias to use for qualifying column references.
        返回:
        The generated join sequence.

      • getIdentifierOrUniqueKeyPropertyName

        public String getIdentifierOrUniqueKeyPropertyName​(EntityType entityType)
        Determine the name of the property for the entity encapsulated by the given type which represents the id or unique-key.
        参数:
        entityType - The type representing the entity.
        返回:
        The corresponding property name
        抛出:
        QueryException - Indicates such a property could not be found.

      • getColumnSpan

        public int getColumnSpan​(Type type)
        Retrieve the number of columns represented by this type.
        参数:
        type - The type.
        返回:
        The number of columns.

      • getAssociatedEntityName

        public String getAssociatedEntityName​(CollectionType collectionType)
        Given a collection type, determine the entity name of the elements contained within instance of that collection.
        参数:
        collectionType - The collection type to check.
        返回:
        The entity name of the elements of this collection.

      • findSQLFunction

        public SQLFunction findSQLFunction​(String functionName)
        Locate a registered sql function by name.
        参数:
        functionName - The name of the function to locate
        返回:
        The sql function, or null if not found.

      • findFunctionReturnType

        public Type findFunctionReturnType​(String functionName,
                                   antlr.collections.AST first)
        Find the function return type given the function name and the first argument expression node.
        参数:
        functionName - The function name.
        first - The first argument expression.
        返回:
        the function return type given the function name and the first argument expression node.

      • findFunctionReturnType

        public Type findFunctionReturnType​(String functionName,
                                   SQLFunction sqlFunction,
                                   antlr.collections.AST firstArgument)

      • generateColumnNames

        public String[][] generateColumnNames​(Type[] sqlResultTypes)

      • isStrictJPAQLComplianceEnabled

        public boolean isStrictJPAQLComplianceEnabled()