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/*******************************************************************************
* Copyright (c) 2006, 2011 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.jpa.core.internal.context.java;
import org.eclipse.jpt.common.utility.internal.iterables.ArrayIterable;
import org.eclipse.jpt.jpa.core.JpaFactory;
import org.eclipse.jpt.jpa.core.MappingKeys;
import org.eclipse.jpt.jpa.core.context.java.DefaultJavaAttributeMappingDefinition;
import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.jpa.core.resource.java.AttributeOverrideAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.AttributeOverridesAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.EmbeddedAnnotation;
public class JavaEmbeddedMappingDefinition
implements DefaultJavaAttributeMappingDefinition
{
// singleton
private static final DefaultJavaAttributeMappingDefinition INSTANCE = new JavaEmbeddedMappingDefinition();
/**
* Return the singleton.
*/
public static DefaultJavaAttributeMappingDefinition instance() {
return INSTANCE;
}
/**
* Enforce singleton usage
*/
private JavaEmbeddedMappingDefinition() {
super();
}
public String getKey() {
return MappingKeys.EMBEDDED_ATTRIBUTE_MAPPING_KEY;
}
public String getAnnotationName() {
return EmbeddedAnnotation.ANNOTATION_NAME;
}
public boolean isSpecified(JavaPersistentAttribute persistentAttribute) {
return persistentAttribute.getResourcePersistentAttribute().getAnnotation(this.getAnnotationName()) != null;
}
public Iterable<String> getSupportingAnnotationNames() {
return SUPPORTING_ANNOTATION_NAMES;
}
private static final String[] SUPPORTING_ANNOTATION_NAMES_ARRAY = new String[] {
AttributeOverrideAnnotation.ANNOTATION_NAME,
AttributeOverridesAnnotation.ANNOTATION_NAME,
};
private static final Iterable<String> SUPPORTING_ANNOTATION_NAMES = new ArrayIterable<String>(SUPPORTING_ANNOTATION_NAMES_ARRAY);
public JavaAttributeMapping buildMapping(JavaPersistentAttribute persistentAttribute, JpaFactory factory) {
return factory.buildJavaEmbeddedMapping(persistentAttribute);
}
public boolean isDefault(JavaPersistentAttribute persistentAttribute) {
return persistentAttribute.getEmbeddable() != null;
}
@Override
public String toString() {
return this.getClass().getSimpleName();
}
}
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