| /** |
| * 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.api.records.impl.pb; |
| |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.apache.hadoop.yarn.api.records.AMResponse; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerStatus; |
| import org.apache.hadoop.yarn.api.records.ProtoBase; |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.proto.YarnProtos.AMResponseProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.AMResponseProtoOrBuilder; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ContainerProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ContainerStatusProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ResourceProto; |
| |
| |
| |
| public class AMResponsePBImpl extends ProtoBase<AMResponseProto> implements AMResponse { |
| AMResponseProto proto = AMResponseProto.getDefaultInstance(); |
| AMResponseProto.Builder builder = null; |
| boolean viaProto = false; |
| |
| Resource limit; |
| |
| private List<Container> allocatedContainers = null; |
| private List<ContainerStatus> completedContainersStatuses = null; |
| // private boolean hasLocalContainerList = false; |
| |
| |
| public AMResponsePBImpl() { |
| builder = AMResponseProto.newBuilder(); |
| } |
| |
| public AMResponsePBImpl(AMResponseProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| public synchronized AMResponseProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| private synchronized void mergeLocalToBuilder() { |
| if (this.allocatedContainers != null) { |
| builder.clearAllocatedContainers(); |
| Iterable<ContainerProto> iterable = |
| getProtoIterable(this.allocatedContainers); |
| builder.addAllAllocatedContainers(iterable); |
| } |
| if (this.completedContainersStatuses != null) { |
| builder.clearCompletedContainerStatuses(); |
| Iterable<ContainerStatusProto> iterable = |
| getContainerStatusProtoIterable(this.completedContainersStatuses); |
| builder.addAllCompletedContainerStatuses(iterable); |
| } |
| if (this.limit != null) { |
| builder.setLimit(convertToProtoFormat(this.limit)); |
| } |
| } |
| |
| private synchronized void mergeLocalToProto() { |
| if (viaProto) |
| maybeInitBuilder(); |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| private synchronized void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = AMResponseProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| |
| @Override |
| public synchronized boolean getReboot() { |
| AMResponseProtoOrBuilder p = viaProto ? proto : builder; |
| return (p.getReboot()); |
| } |
| |
| @Override |
| public synchronized void setReboot(boolean reboot) { |
| maybeInitBuilder(); |
| builder.setReboot((reboot)); |
| } |
| @Override |
| public synchronized int getResponseId() { |
| AMResponseProtoOrBuilder p = viaProto ? proto : builder; |
| return (p.getResponseId()); |
| } |
| |
| @Override |
| public synchronized void setResponseId(int responseId) { |
| maybeInitBuilder(); |
| builder.setResponseId((responseId)); |
| } |
| @Override |
| public synchronized Resource getAvailableResources() { |
| if (this.limit != null) { |
| return this.limit; |
| } |
| |
| AMResponseProtoOrBuilder p = viaProto ? proto : builder; |
| if (!p.hasLimit()) { |
| return null; |
| } |
| this.limit = convertFromProtoFormat(p.getLimit()); |
| return this.limit; |
| } |
| |
| @Override |
| public synchronized void setAvailableResources(Resource limit) { |
| maybeInitBuilder(); |
| if (limit == null) |
| builder.clearLimit(); |
| this.limit = limit; |
| } |
| |
| @Override |
| public synchronized List<Container> getAllocatedContainers() { |
| initLocalNewContainerList(); |
| return this.allocatedContainers; |
| } |
| |
| //Once this is called. containerList will never be null - untill a getProto is called. |
| private synchronized void initLocalNewContainerList() { |
| if (this.allocatedContainers != null) { |
| return; |
| } |
| AMResponseProtoOrBuilder p = viaProto ? proto : builder; |
| List<ContainerProto> list = p.getAllocatedContainersList(); |
| allocatedContainers = new ArrayList<Container>(); |
| |
| for (ContainerProto c : list) { |
| allocatedContainers.add(convertFromProtoFormat(c)); |
| } |
| } |
| |
| @Override |
| public synchronized void setAllocatedContainers(final List<Container> containers) { |
| if (containers == null) |
| return; |
| initLocalNewContainerList(); |
| allocatedContainers.addAll(containers); |
| } |
| |
| private synchronized Iterable<ContainerProto> getProtoIterable( |
| final List<Container> newContainersList) { |
| maybeInitBuilder(); |
| return new Iterable<ContainerProto>() { |
| @Override |
| public synchronized Iterator<ContainerProto> iterator() { |
| return new Iterator<ContainerProto>() { |
| |
| Iterator<Container> iter = newContainersList.iterator(); |
| |
| @Override |
| public synchronized boolean hasNext() { |
| return iter.hasNext(); |
| } |
| |
| @Override |
| public synchronized ContainerProto next() { |
| return convertToProtoFormat(iter.next()); |
| } |
| |
| @Override |
| public synchronized void remove() { |
| throw new UnsupportedOperationException(); |
| |
| } |
| }; |
| |
| } |
| }; |
| } |
| |
| private synchronized Iterable<ContainerStatusProto> |
| getContainerStatusProtoIterable( |
| final List<ContainerStatus> newContainersList) { |
| maybeInitBuilder(); |
| return new Iterable<ContainerStatusProto>() { |
| @Override |
| public synchronized Iterator<ContainerStatusProto> iterator() { |
| return new Iterator<ContainerStatusProto>() { |
| |
| Iterator<ContainerStatus> iter = newContainersList.iterator(); |
| |
| @Override |
| public synchronized boolean hasNext() { |
| return iter.hasNext(); |
| } |
| |
| @Override |
| public synchronized ContainerStatusProto next() { |
| return convertToProtoFormat(iter.next()); |
| } |
| |
| @Override |
| public synchronized void remove() { |
| throw new UnsupportedOperationException(); |
| |
| } |
| }; |
| |
| } |
| }; |
| } |
| |
| //// Finished containers |
| @Override |
| public synchronized List<ContainerStatus> getCompletedContainersStatuses() { |
| initLocalFinishedContainerList(); |
| return this.completedContainersStatuses; |
| } |
| |
| //Once this is called. containerList will never be null - untill a getProto is called. |
| private synchronized void initLocalFinishedContainerList() { |
| if (this.completedContainersStatuses != null) { |
| return; |
| } |
| AMResponseProtoOrBuilder p = viaProto ? proto : builder; |
| List<ContainerStatusProto> list = p.getCompletedContainerStatusesList(); |
| completedContainersStatuses = new ArrayList<ContainerStatus>(); |
| |
| for (ContainerStatusProto c : list) { |
| completedContainersStatuses.add(convertFromProtoFormat(c)); |
| } |
| } |
| |
| @Override |
| public synchronized void setCompletedContainersStatuses( |
| final List<ContainerStatus> containers) { |
| if (containers == null) |
| return; |
| initLocalFinishedContainerList(); |
| completedContainersStatuses.addAll(containers); |
| } |
| |
| private synchronized ContainerPBImpl convertFromProtoFormat( |
| ContainerProto p) { |
| return new ContainerPBImpl(p); |
| } |
| |
| private synchronized ContainerProto convertToProtoFormat(Container t) { |
| return ((ContainerPBImpl)t).getProto(); |
| } |
| |
| private synchronized ContainerStatusPBImpl convertFromProtoFormat( |
| ContainerStatusProto p) { |
| return new ContainerStatusPBImpl(p); |
| } |
| |
| private synchronized ContainerStatusProto convertToProtoFormat(ContainerStatus t) { |
| return ((ContainerStatusPBImpl)t).getProto(); |
| } |
| |
| private synchronized ResourcePBImpl convertFromProtoFormat(ResourceProto p) { |
| return new ResourcePBImpl(p); |
| } |
| |
| private synchronized ResourceProto convertToProtoFormat(Resource r) { |
| return ((ResourcePBImpl) r).getProto(); |
| } |
| |
| } |