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/*******************************************************************************
* Copyright (c) 2011 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation
*
******************************************************************************/
package org.eclipse.jpt.jpa.core.internal.jpql;
import java.util.Iterator;
import org.eclipse.jpt.common.utility.internal.iterators.CompositeIterator;
import org.eclipse.jpt.common.utility.internal.iterators.TransformationIterator;
import org.eclipse.jpt.jpa.core.JpaProject;
import org.eclipse.jpt.jpa.core.context.Entity;
import org.eclipse.jpt.jpa.core.context.PersistentType;
import org.eclipse.jpt.jpa.core.context.TypeMapping;
import org.eclipse.jpt.jpa.core.context.persistence.ClassRef;
import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnit;
/**
* The concrete implementation that is wrapping the design-time representation of a persistence unit.
*
* @version 3.0
* @since 3.0
* @author Pascal Filion
*/
public final class JpaPersistenceUnit extends JpaManagedTypeProvider {
/**
* Creates a new <code>JpaPersistenceUnit</code>.
*
* @param jpaProject The project that gives access to the application's metadata
* @param persistentUnit The design-time persistence unit
*/
public JpaPersistenceUnit(JpaProject jpaProject, PersistenceUnit persistentUnit) {
super(jpaProject, persistentUnit);
}
/**
* {@inheritDoc}
*/
@Override
JpaEntity buildEntity(TypeMapping mappedClass) {
return new JpaPersistenceUnitEntity(this, (Entity) mappedClass);
}
/**
* {@inheritDoc}
*/
@Override
PersistenceUnit getPersistentTypeContainer() {
return (PersistenceUnit) super.getPersistentTypeContainer();
}
@SuppressWarnings("unchecked")
private Iterator<ClassRef> javaClassRefs() {
return new CompositeIterator<ClassRef>(
getPersistentTypeContainer().specifiedClassRefs(),
getPersistentTypeContainer().impliedClassRefs()
);
}
/**
* {@inheritDoc}
*/
@Override
Iterator<? extends PersistentType> persistenceTypes() {
return new TransformationIterator<ClassRef, PersistentType>(javaClassRefs()) {
@Override
protected PersistentType transform(ClassRef classRef) {
return classRef.getJavaPersistentType();
}
};
}
}
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