org.eclipse.persistence.jpa.internal.jpql

Class SingleValuedObjectFieldResolver

java.lang.Object

org.eclipse.persistence.jpa.internal.jpql.Resolver

org.eclipse.persistence.jpa.internal.jpql.SingleValuedObjectFieldResolver

public final class SingleValuedObjectFieldResolver
extends Resolver

This Resolver is responsible to resolve the type of a single valued object field, which is usually part of a path expression. It is not the first path nor the last path.

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Method Summary

Methods

Modifier and Type	Method and Description
void	accept(ResolverVisitor visitor) Visits this Resolver by the given visitor.
IManagedType	getManagedType() Returns the IManagedType associated with the field handled by this Resolver.
IMapping	getMapping() Returns the IMapping for the wrapped field.
java.lang.String	getPath() Returns the single path represented by this Resolver.
java.lang.String	toString()

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

getParent, getType, isNullAllowed, setNullAllowed

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

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

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

getMapping

public final IMapping getMapping()

Returns the IMapping for the wrapped field.

Overrides:

getMapping in class Resolver

Returns:

Either the IMapping or null if none exists

getPath

public final java.lang.String getPath()

Returns the single path represented by this Resolver.

Returns:

The single path represented by this Resolver