NodePair.java

/*
 * Copyright (c) 2013 Big Switch Networks, Inc.
 *
 * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/legal/epl-v10.html
 *
 * 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.sdnplatform.topology;

public class NodePair {
    private long min;
    private long max;

    public NodePair(long a, long b) {
        if (a < b) {
            min = a; 
            max = b;
        } else {
            min = b;
            max = a;
        }
    }

    public long getNode() {
        return min;
    }

    public long getOtherNode() {
        return max;
    }

    public String toString() {
        return "[" + new Long(min) + ", " + new Long(max) + "]";
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + (int) (max ^ (max >>> 32));
        result = prime * result + (int) (min ^ (min >>> 32));
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        NodePair other = (NodePair) obj;
        if (max != other.max)
            return false;
        if (min != other.min)
            return false;
        return true;
    }
}