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/*
 * 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.jobmaster;

import org.apache.flink.runtime.jobmaster.slotpool.SlotPool;
import org.apache.flink.runtime.jobmaster.slotpool.SlotProvider;
import org.apache.flink.util.AbstractID;

/**
 * This ID identifies the request for a logical slot from the Execution to the {@link SlotPool} oe
 * {@link SlotProvider}. The logical slot may be a physical slot or a sub-slot thereof, in the case
 * of slot sharing.
 *
 * 

This ID serves a different purpose than the {@link * org.apache.flink.runtime.clusterframework.types.AllocationID AllocationID}, which identifies the * request of a physical slot, issued from the SlotPool via the ResourceManager to the TaskManager. */ public final class SlotRequestId extends AbstractID { private static final long serialVersionUID = -6072105912250154283L; public SlotRequestId(long lowerPart, long upperPart) { super(lowerPart, upperPart); } public SlotRequestId() {} @Override public String toString() { return "SlotRequestId{" + super.toString() + '}'; } }





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