/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 storm.trident.util;

import java.io.Serializable;


public class IndexedEdge<T> implements Comparable, Serializable {
    public T source;
    public T target;
    public int index;
    
    public IndexedEdge(T source, T target, int index) {
        this.source = source;
        this.target = target;
        this.index = index;
    }

    

    @Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + index;
		result = prime * result + ((source == null) ? 0 : source.hashCode());
		result = prime * result + ((target == null) ? 0 : target.hashCode());
		return result;
	}



	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		IndexedEdge other = (IndexedEdge) obj;
		if (index != other.index)
			return false;
		if (source == null) {
			if (other.source != null)
				return false;
		} else if (!source.equals(other.source))
			return false;
		if (target == null) {
			if (other.target != null)
				return false;
		} else if (!target.equals(other.target))
			return false;
		return true;
	}



	@Override
    public int compareTo(Object t) {
        IndexedEdge other = (IndexedEdge) t;
        return index - other.index;
    }
}