| /** |
| * 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.ams; |
| |
| import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerUpdateType; |
| import org.apache.hadoop.yarn.api.records.UpdateContainerError; |
| import org.apache.hadoop.yarn.api.records.UpdatedContainer; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Utility methods to be used by {@link ApplicationMasterServiceProcessor}. |
| */ |
| public final class ApplicationMasterServiceUtils { |
| |
| private ApplicationMasterServiceUtils() { } |
| |
| /** |
| * Add update container errors to {@link AllocateResponse}. |
| * @param allocateResponse Allocate Response. |
| * @param updateContainerErrors Errors. |
| */ |
| public static void addToUpdateContainerErrors( |
| AllocateResponse allocateResponse, |
| List<UpdateContainerError> updateContainerErrors) { |
| if (!updateContainerErrors.isEmpty()) { |
| if (allocateResponse.getUpdateErrors() != null |
| && !allocateResponse.getUpdateErrors().isEmpty()) { |
| updateContainerErrors.addAll(allocateResponse.getUpdateErrors()); |
| } |
| allocateResponse.setUpdateErrors(updateContainerErrors); |
| } |
| } |
| |
| /** |
| * Add updated containers to {@link AllocateResponse}. |
| * @param allocateResponse Allocate Response. |
| * @param updateType Update Type. |
| * @param updatedContainers Updated Containers. |
| */ |
| public static void addToUpdatedContainers(AllocateResponse allocateResponse, |
| ContainerUpdateType updateType, List<Container> updatedContainers) { |
| if (updatedContainers != null && updatedContainers.size() > 0) { |
| ArrayList<UpdatedContainer> containersToSet = new ArrayList<>(); |
| if (allocateResponse.getUpdatedContainers() != null && |
| !allocateResponse.getUpdatedContainers().isEmpty()) { |
| containersToSet.addAll(allocateResponse.getUpdatedContainers()); |
| } |
| for (Container updatedContainer : updatedContainers) { |
| containersToSet.add( |
| UpdatedContainer.newInstance(updateType, updatedContainer)); |
| } |
| allocateResponse.setUpdatedContainers(containersToSet); |
| } |
| } |
| |
| /** |
| * Add allocated containers to {@link AllocateResponse}. |
| * @param allocateResponse Allocate Response. |
| * @param allocatedContainers Allocated Containers. |
| */ |
| public static void addToAllocatedContainers(AllocateResponse allocateResponse, |
| List<Container> allocatedContainers) { |
| if (allocateResponse.getAllocatedContainers() != null |
| && !allocateResponse.getAllocatedContainers().isEmpty()) { |
| allocatedContainers.addAll(allocateResponse.getAllocatedContainers()); |
| } |
| allocateResponse.setAllocatedContainers(allocatedContainers); |
| } |
| } |