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org.eclipse.persistence.jpa.internal.jpql
Class TreatResolver

java.lang.Object
org.eclipse.persistence.jpa.internal.jpql.Resolver
org.eclipse.persistence.jpa.internal.jpql.TreatResolver

public final class TreatResolver

extends Resolver

This Resolver resolves a path and casts it as another entity type.

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Field Summary

private java.lang.String

entityTypeName The entity type name used to downcast the collection-valued field.

Constructor Summary

TreatResolver(Resolver parent, java.lang.String entityTypeName)
Creates a new TreatResolver.

Method Summary

void	accept(ResolverVisitor visitor) Visits this Resolver by the given visitor.
(package private) ITypeDeclaration	buildTypeDeclaration() Resolves the ITypeDeclaration of the property handled by this Resolver.
java.lang.String	getEntityTypeName() Returns the entity type name used to downcast the path expression.
void	setNullAllowed(boolean nullAllowed) Sets whether the Expression to be created, which wraps the attribute or query key name allows the target of the 1:1 relationship to be null if there is no corresponding relationship in the database.
java.lang.String	toString()

Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.Resolver

addChild, buildType, checkParent, getChild, getManagedType, getMapping, getParent, getParentManagedType, getParentMapping, getParentType, getParentTypeDeclaration, getProvider, getQuery, getType, getType, getType, getTypeDeclaration, getTypeHelper, getTypeRepository, isNullAllowed

Methods inherited from class java.lang.Object

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

Field Detail

entityTypeName

private java.lang.String entityTypeName

The entity type name used to downcast the collection-valued field.

Constructor Detail

TreatResolver

TreatResolver(Resolver parent,
              java.lang.String entityTypeName)

Creates a new TreatResolver.

Parameters:

parent - The parent of this resolver, which is never null

entityTypeName - The entity type name used to downcast the collection-valued field

Method Detail

accept

public void accept(ResolverVisitor visitor)

Visits this Resolver by the given visitor.

Specified by:

accept in class Resolver

Parameters:

visitor - The visitor to visit this object

buildTypeDeclaration

ITypeDeclaration buildTypeDeclaration()

Resolves the ITypeDeclaration of the property handled by this Resolver.

Specified by:

buildTypeDeclaration in class Resolver

Returns:

Either the ITypeDeclaration that was resolved by this Resolver or the ITypeDeclaration for IType.UNRESOLVABLE_TYPE if it could not be resolved

getEntityTypeName

public java.lang.String getEntityTypeName()

Returns the entity type name used to downcast the path expression.

Returns:

The entity type name used to downcast the path expression

setNullAllowed

public void setNullAllowed(boolean nullAllowed)

Sets whether the Expression to be created, which wraps the attribute or query key name allows the target of the 1:1 relationship to be null if there is no corresponding relationship in the database.

Overrides:

setNullAllowed in class Resolver

Parameters:

nullAllowed - true to allow null if the corresponding relationship in the database does not exists; false otherwise

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

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