/*
* 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.clusterframework.types;
import org.apache.flink.util.AbstractID;
/**
* Unique identifier for a slot allocated by a JobManager from a TaskManager.
* Also identifies a pending allocation request, and is constant across retries.
*
* <p>This ID is used for all synchronization of the status of Slots from TaskManagers
* that are not free (i.e., have been allocated by a job).
*/
public class AllocationID extends AbstractID {
private static final long serialVersionUID = 1L;
/**
* Constructs a new random AllocationID.
*/
public AllocationID() {
super();
}
/**
* Constructs a new AllocationID with the given parts.
*
* @param lowerPart the lower bytes of the ID
* @param upperPart the higher bytes of the ID
*/
public AllocationID(long lowerPart, long upperPart) {
super(lowerPart, upperPart);
}
}