core/api/src/main/java/org/onlab/onos/net/flow/FlowId.java

/*
 * 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 org.onlab.onos.net.flow;

import com.google.common.base.Objects;

/**
 * Representation of a Flow ID.
 */
public final class FlowId {

    private final long flowid;

    private FlowId(long id) {
        this.flowid = id;
    }

    public static FlowId valueOf(long id) {
        return new FlowId(id);
    }

    public long value() {
        return flowid;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (obj.getClass()  == this.getClass()) {
            FlowId that = (FlowId) obj;
            return Objects.equal(this.flowid, that.flowid);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(this.flowid);
    }
}