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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.database.schema.internal.data;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* @author Roberto E. Escobar
*/
public class ForeignKey extends ConstraintElement {
List<ReferenceClause> references;
public ForeignKey(ConstraintTypes constraintType, String schema, String id, boolean deferrable) {
super(constraintType, schema, id, deferrable);
references = new ArrayList<ReferenceClause>();
}
public void addReference(ReferenceClause reference) {
references.add(reference);
}
public List<ReferenceClause> getReferences() {
return references;
}
public Set<String> getReferencedTables() {
Set<String> refTables = new TreeSet<String>();
for (ReferenceClause ref : references) {
refTables.add(ref.getFullyQualifiedTableName());
}
return refTables;
}
@Override
public String toString() {
String toReturn = super.toString();
for (ReferenceClause reference : references) {
toReturn += "\n\t\t" + reference.toString();
}
return toReturn;
}
@Override
public Element toXml(Document doc) {
Element parent = super.toXml(doc);
for (ReferenceClause reference : references) {
parent.appendChild(reference.toXml(doc));
}
return parent;
}
}
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