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/*******************************************************************************
* Copyright (c) 2008, 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.eclipselink.core.internal.context.persistence;
import java.util.Set;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnit;
import org.eclipse.jpt.jpa.core.internal.context.persistence.AbstractPersistenceUnitProperties;
/**
* EclipseLinkPersistenceUnitProperties
*
* Listens to the propertyListAdapter
*/
public abstract class EclipseLinkPersistenceUnitProperties extends AbstractPersistenceUnitProperties
{
// ********** constructors **********
protected EclipseLinkPersistenceUnitProperties(PersistenceUnit parent) {
super(parent);
}
// ******** Convenience methods ********
protected Set<PersistenceUnit.Property> getPropertiesSetWithPrefix(String keyPrefix) {
return CollectionTools.set(this.getPersistenceUnit().getPropertiesWithNamePrefix(keyPrefix));
}
/**
* Extracts the entityName of the specified property name. If the property name
* has no suffix, return an empty string.
*/
protected String extractEntityNameOf(PersistenceUnit.Property property) {
return extractEntityNameOf(property.getName());
}
/**
* Extracts the entityName of the specified string. If the string
* has no suffix, return an empty string.
*/
protected String extractEntityNameOf(String propertyName) {
int index = propertyName.lastIndexOf('.');
if (index == -1) {
return ""; //$NON-NLS-1$
}
return propertyName.substring(index + 1);
}
}
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