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

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

final class AbsFunctionResolver

extends Resolver

This Resolver is responsible to calculate the IType based on the type of the ABS expression. The valid type is a Number type.

The ABS function takes a numeric argument and returns a number (integer, float, or double) of the same type as the argument to the function.

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Constructor Summary

AbsFunctionResolver(Resolver parent)
Creates a new AbsFunctionResolver.

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

Constructor Detail

AbsFunctionResolver

AbsFunctionResolver(Resolver parent)

Creates a new AbsFunctionResolver.

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

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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