org.eclipse.persistence.jpa.jpql
Class StateFieldResolver

java.lang.Object
  org.eclipse.persistence.jpa.jpql.Resolver
      org.eclipse.persistence.jpa.jpql.AbstractPathResolver
          org.eclipse.persistence.jpa.jpql.StateFieldResolver

public class StateFieldResolver
extends AbstractPathResolver

This Resolver is responsible to resolve the type of a state field, which is the leaf of the state field path expression.

It is possible the state field path expression is actually an enum type, which will be

Version:

2.4

Author:

Pascal Filion

Since:

2.3

Field Summary

Fields inherited from class org.eclipse.persistence.jpa.jpql.AbstractPathResolver

path

Constructor Summary

StateFieldResolver(Resolver parent, java.lang.String path)
Creates a new StateFieldResolver.

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 IManagedType	resolveManagedType(IMapping mapping) Resolves this path's IManagedType by using the given IMapping.

Methods inherited from class org.eclipse.persistence.jpa.jpql.AbstractPathResolver

buildTypeDeclaration, getManagedType, getMapping, getPath, resolveMapping, toString

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

addChild, checkParent, getChild, 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

StateFieldResolver

public StateFieldResolver(Resolver parent,
                          java.lang.String path)

Creates a new StateFieldResolver.

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

resolveManagedType

protected IManagedType resolveManagedType(IMapping mapping)

Resolves this path's IManagedType by using the given IMapping.

Specified by:

resolveManagedType in class AbstractPathResolver

Parameters:

mapping - The IMapping, which is never null, is used to calculate the IManagedType

Returns:

The IManagedType for the given IMapping, if it has one; null if the type is a primitive