| /** |
| * 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.hadoop.yarn.server.resourcemanager.monitor.capacity; |
| |
| |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.util.resource.Resources; |
| |
| |
| /** |
| * Abstract temporary data-structure for tracking resource availability,pending |
| * resource need, current utilization for app/queue. |
| */ |
| public class AbstractPreemptionEntity { |
| // Following fields are copied from scheduler |
| final String queueName; |
| |
| protected final Resource current; |
| protected final Resource amUsed; |
| protected final Resource reserved; |
| protected Resource pending; |
| |
| // Following fields are settled and used by candidate selection policies |
| Resource idealAssigned; |
| Resource toBePreempted; |
| Resource selected; |
| private Resource actuallyToBePreempted; |
| private Resource toBePreemptFromOther; |
| |
| AbstractPreemptionEntity(String queueName, Resource usedPerPartition, |
| Resource amUsedPerPartition, Resource reserved, |
| Resource pendingPerPartition) { |
| this.queueName = queueName; |
| this.current = usedPerPartition; |
| this.pending = pendingPerPartition; |
| this.reserved = reserved; |
| this.amUsed = amUsedPerPartition; |
| |
| this.idealAssigned = Resource.newInstance(0, 0); |
| this.actuallyToBePreempted = Resource.newInstance(0, 0); |
| this.toBePreempted = Resource.newInstance(0, 0); |
| this.toBePreemptFromOther = Resource.newInstance(0, 0); |
| this.selected = Resource.newInstance(0, 0); |
| } |
| |
| public Resource getUsed() { |
| return current; |
| } |
| |
| public Resource getUsedDeductAM() { |
| return Resources.subtract(current, amUsed); |
| } |
| |
| public Resource getAMUsed() { |
| return amUsed; |
| } |
| |
| public Resource getPending() { |
| return pending; |
| } |
| |
| public Resource getReserved() { |
| return reserved; |
| } |
| |
| public Resource getActuallyToBePreempted() { |
| return actuallyToBePreempted; |
| } |
| |
| public void setActuallyToBePreempted(Resource actuallyToBePreempted) { |
| this.actuallyToBePreempted = actuallyToBePreempted; |
| } |
| |
| public Resource getToBePreemptFromOther() { |
| return toBePreemptFromOther; |
| } |
| |
| public void setToBePreemptFromOther(Resource toBePreemptFromOther) { |
| this.toBePreemptFromOther = toBePreemptFromOther; |
| } |
| |
| } |