/*
* Copyright (C) 2010 Stanford University
*
* 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 edu.stanford.junction.props2;
import org.json.JSONObject;
public interface IProp{
/**
* The internal counter that tracks how many operations
* have been executed on this prop's state. For a given state,
* this number should be the same at all peers.
*/
public long getSequenceNum();
/**
* The name of the prop at large. All peers must share this name.
*/
public String getPropName();
public String getPropReplicaName();
public void addChangeListener(IPropChangeListener listener);
public void removeChangeListener(IPropChangeListener listener);
public void removeChangeListenersOfType(String type);
public void removeAllChangeListeners();
public void addOperation(JSONObject operation);
public IProp newFresh();
}