UpdateSourceSupport.java

/*
 *  Copyright 2011 Uwe Krueger.
 * 
 *  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 com.mandelsoft.util.upd;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Uwe Krueger
 */
public class UpdateSourceSupport implements UpdateSource {
  private List<UpdatableObject> objects;

  public UpdateSourceSupport()
  {
    objects=new ArrayList<UpdatableObject>();
  }

  public void addUpdatableObject(UpdatableObject o)
  {
    if (!objects.contains(o)) objects.add(o);
  }

  public void removeUpdatableObject(UpdatableObject o)
  {
    objects.remove(o);
  }

  public void updateObjects(UpdateContext c)
  {
    for (UpdatableObject o:objects) {
      o.updateObject(c);
    }
  }

  public void updateObjects(UpdateReason r)
  {
    UpdateContext ctx=new UpdateContext(this,r);
    updateObjects(ctx);
  }
}