/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.eclipse.dsl.editor;
import java.util.HashSet;
import java.util.Set;
import org.drools.compiler.lang.dsl.DefaultDSLMapping;
/**
* This extends the compilers DSL grammar implementation to provide
* change listener support.
*/
public class NLGrammarModel extends DefaultDSLMapping {
private static final long serialVersionUID = 510l;
private Set<IMappingListViewer> changeListeners = new HashSet<IMappingListViewer>();
/**
* @param viewer
*/
public void removeChangeListener(IMappingListViewer viewer) {
changeListeners.remove(viewer);
}
/**
* @param viewer
*/
public void addChangeListener(IMappingListViewer viewer) {
changeListeners.add(viewer);
}
}