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/*******************************************************************************
* Copyright (c) 2008, 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.eclipselink.core.internal.context.java;
import org.eclipse.jpt.core.JpaFactory;
import org.eclipse.jpt.core.context.java.JavaAttributeMapping;
import org.eclipse.jpt.core.context.java.JavaAttributeMappingProvider;
import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.core.internal.context.java.AbstractJavaAttributeMappingProvider;
import org.eclipse.jpt.core.internal.context.java.JavaOneToOneMappingProvider;
public class JavaEclipseLinkOneToOneMappingProvider
extends AbstractJavaAttributeMappingProvider
{
// singleton
private static final JavaEclipseLinkOneToOneMappingProvider INSTANCE =
new JavaEclipseLinkOneToOneMappingProvider();
/**
* Return the singleton.
*/
public static JavaAttributeMappingProvider instance() {
return INSTANCE;
}
/**
* Enforce singleton usage
*/
private JavaEclipseLinkOneToOneMappingProvider() {
super();
}
public String getKey() {
return JavaOneToOneMappingProvider.instance().getKey();
}
public String getAnnotationName() {
return JavaOneToOneMappingProvider.instance().getAnnotationName();
}
public JavaAttributeMapping buildMapping(JavaPersistentAttribute parent, JpaFactory factory) {
return JavaOneToOneMappingProvider.instance().buildMapping(parent, factory);
}
@Override
public boolean defaultApplies(JavaPersistentAttribute persistentAttribute) {
String targetEntity = persistentAttribute.getSingleReferenceEntityTypeName();
return (targetEntity != null)
&& (persistentAttribute.getPersistenceUnit().getEntity(targetEntity) != null);
}
}
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