Module org.eclipse.persistence.jpa.jpql

Package org.eclipse.persistence.jpa.jpql.tools.resolver

Class MathFunctionResolver

java.lang.Object

org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver

org.eclipse.persistence.jpa.jpql.tools.resolver.MathFunctionResolver

Direct Known Subclasses:

MathFunctionResolver.Ceiling, MathFunctionResolver.Floor, MathFunctionResolver.Round

public abstract class MathFunctionResolver
extends Resolver

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

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

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	MathFunctionResolver.Ceiling	The CEILING math function expression resolver.
static final class	MathFunctionResolver.Floor	The FLOOR math function expression resolver.
static final class	MathFunctionResolver.Round	The ROUND math function expression resolver.

Constructor Summary

Constructors

Constructor	Description
MathFunctionResolver(Resolver parent)	Creates a new instance of math function expression resolver.

Method Summary

Modifier and Type	Method	Description
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.

Methods inherited from class org.eclipse.persistence.jpa.jpql.tools.resolver.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 Details

MathFunctionResolver

public MathFunctionResolver(Resolver parent)

Creates a new instance of math function expression resolver.

Parameters:

parent - The parent Resolver, which is never null

Method Details

buildType

protected IType buildType()

Description copied from class: Resolver

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()

Description copied from class: Resolver

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