EclipseLink 2.4.2, build 'v20130514-5956486' API Reference

org.eclipse.persistence.jpa.jpql
Class ValueResolver

java.lang.Object
  extended by org.eclipse.persistence.jpa.jpql.Resolver
      extended by org.eclipse.persistence.jpa.jpql.ValueResolver

public class ValueResolver
extends Resolver

This Resolver is responsible to return the map value, which means that for identification variables referring to an instance of an association or collection represented as a Map, the identification variable is of the abstract schema type of the map value.

Version:
2.4
See Also:
KeyResolver
Author:
Pascal Filion
Since:
2.3

Constructor Summary
ValueResolver(Resolver parent)
          Creates a new ValueResolver.
 
Method Summary
 void accept(ResolverVisitor visitor)
          Visits this Resolver by the given visitor.
protected  IType buildType()
          Resolves the IType of the property handled by this Resolver.
protected  ITypeDeclaration buildTypeDeclaration()
          Resolves the ITypeDeclaration of the property handled by this Resolver.
 IManagedType getManagedType()
          Returns the IManagedType associated with the field handled by this Resolver.
 java.lang.String toString()
          
 
Methods inherited from class org.eclipse.persistence.jpa.jpql.Resolver
addChild, checkParent, getChild, getMapping, getParent, getParentManagedType, getParentMapping, getParentType, getParentTypeDeclaration, getProvider, getQuery, getType, getType, getType, getTypeDeclaration, getTypeHelper, getTypeRepository, isNullAllowed, setNullAllowed
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ValueResolver

public ValueResolver(Resolver parent)
Creates a new ValueResolver.

Parameters:
parent - The parent Resolver, which is never null
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

buildType

protected IType buildType()
Resolves the IType of the property handled by this Resolver.

Overrides:
buildType in class Resolver
Returns:
Either the IType that was resolved by this Resolver or the IType for IType.UNRESOLVABLE_TYPE if it could not be resolved

buildTypeDeclaration

protected 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

getManagedType

public IManagedType getManagedType()
Returns the IManagedType associated with the field handled by this Resolver. If this Resolver does not handle a field that has a IManagedType, then null should be returned.

For example: "SELECT e FROM Employee e", the Resolver for e would be returning the IManagedType for Employee.

Overrides:
getManagedType in class Resolver
Returns:
Either the IManagedType, if it could be resolved; null otherwise

toString

public java.lang.String toString()

Overrides:
toString in class java.lang.Object

EclipseLink 2.4.2, build 'v20130514-5956486' API Reference