flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/OperatorID.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.apache.flink.runtime.jobgraph;

import org.apache.flink.util.AbstractID;

/** A class for statistically unique operator IDs. */
public class OperatorID extends AbstractID {

    private static final long serialVersionUID = 1L;

    public OperatorID() {
        super();
    }

    public OperatorID(byte[] bytes) {
        super(bytes);
    }

    public OperatorID(long lowerPart, long upperPart) {
        super(lowerPart, upperPart);
    }

    public static OperatorID fromJobVertexID(JobVertexID id) {
        return new OperatorID(id.getLowerPart(), id.getUpperPart());
    }
}