org.apache.hadoop.yarn.ams.ApplicationMasterServiceUtils Maven / Gradle / Ivy
/**
* 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.RejectedSchedulingRequest;
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 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 updatedContainers) {
if (updatedContainers != null && updatedContainers.size() > 0) {
ArrayList 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 allocatedContainers) {
if (allocateResponse.getAllocatedContainers() != null
&& !allocateResponse.getAllocatedContainers().isEmpty()) {
allocatedContainers.addAll(allocateResponse.getAllocatedContainers());
}
allocateResponse.setAllocatedContainers(allocatedContainers);
}
/**
* Add rejected Scheduling Requests to {@link AllocateResponse}.
* @param allocateResponse Allocate Response.
* @param rejectedRequests Rejected SchedulingRequests.
*/
public static void addToRejectedSchedulingRequests(
AllocateResponse allocateResponse,
List rejectedRequests) {
if (allocateResponse.getRejectedSchedulingRequests() != null
&& !allocateResponse.getRejectedSchedulingRequests().isEmpty()) {
rejectedRequests.addAll(allocateResponse.getRejectedSchedulingRequests());
}
allocateResponse.setRejectedSchedulingRequests(rejectedRequests);
}
}