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/*******************************************************************************
* Copyright (c) 2006, 2007 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.core.internal.content.java.mappings;
import org.eclipse.jpt.core.internal.content.java.IJavaTypeMapping;
import org.eclipse.jpt.core.internal.content.java.IJavaTypeMappingProvider;
import org.eclipse.jpt.core.internal.jdtutility.DeclarationAnnotationAdapter;
import org.eclipse.jpt.core.internal.jdtutility.Type;
/**
* This mapping provider implementation is used to create a JavaNullAttributeMapping.
* A JavaNullAttributeMapping should be used when no "mapping" annotation
* exists on a Java type.
*/
public class JavaNullTypeMappingProvider
implements IJavaTypeMappingProvider
{
// singleton
private static final JavaNullTypeMappingProvider INSTANCE = new JavaNullTypeMappingProvider();
/**
* Return the singleton.
*/
public static IJavaTypeMappingProvider instance() {
return INSTANCE;
}
/**
* Ensure non-instantiability.
*/
private JavaNullTypeMappingProvider() {
super();
}
public String key() {
return null;
}
public IJavaTypeMapping buildMapping(Type type) {
return JpaJavaMappingsFactory.eINSTANCE.createJavaNullTypeMapping(type);
}
public DeclarationAnnotationAdapter declarationAnnotationAdapter() {
return JavaNullTypeMapping.DECLARATION_ANNOTATION_ADAPTER;
}
}
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