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/*******************************************************************************
* Copyright (c) 2008, 2010 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.orm;
import java.util.Vector;
import org.eclipse.jpt.common.utility.internal.iterables.LiveCloneListIterable;
import org.eclipse.jpt.jpa.core.context.XmlContextNode;
import org.eclipse.jpt.jpa.core.context.orm.OrmReadOnlyUniqueConstraint;
public abstract class AbstractOrmReadOnlyUniqueConstraint
extends AbstractOrmXmlContextNode
implements OrmReadOnlyUniqueConstraint
{
protected final Vector<String> columnNames = new Vector<String>();
public AbstractOrmReadOnlyUniqueConstraint(XmlContextNode parent) {
super(parent);
}
// ********** column names **********
public Iterable<String> getColumnNames() {
return new LiveCloneListIterable<String>(this.columnNames);
}
public int getColumnNamesSize() {
return this.columnNames.size();
}
public String getColumnName(int index) {
return this.columnNames.get(index);
}
protected void syncColumnNames() {
this.synchronizeList(this.getResourceColumnNames(), this.columnNames, COLUMN_NAMES_LIST);
}
protected abstract Iterable<String> getResourceColumnNames();
@Override
public void toString(StringBuilder sb) {
sb.append(this.columnNames);
}
}
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