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

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

final class FuncResolver

extends Resolver

This Resolver is responsible to calculate the type of a FUNC function by calculating the type of each parameters.

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Field Summary

private java.util.Collection<Resolver>

resolvers The collection of Resolvers that will be used to calculate the actual type.

Constructor Summary

FuncResolver(Resolver parent, java.util.Collection<Resolver> resolvers)
Creates a new FuncResolver.

Method Summary

void	accept(ResolverVisitor visitor) Visits this Resolver by the given visitor.
(package private) IType	buildType() Resolves the IType of the property handled by this Resolver.
(package private) ITypeDeclaration	buildTypeDeclaration() Resolves the ITypeDeclaration of the property handled by this Resolver.

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

addChild, checkParent, getChild, getManagedType, 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, toString, wait, wait, wait

Field Detail

resolvers

private final java.util.Collection<Resolver> resolvers

The collection of Resolvers that will be used to calculate the actual type.

Constructor Detail

FuncResolver

FuncResolver(Resolver parent,
             java.util.Collection<Resolver> resolvers)

Creates a new FuncResolver.

Parameters:

parent - The parent Resolver, which is never null

resolvers - The collection of Resolvers that will be used to calculate the actual type

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

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

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

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