/** * 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.protocolrecords.impl.pb; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest; import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; import org.apache.hadoop.yarn.api.records.Container; import org.apache.hadoop.yarn.api.records.ContainerId; import org.apache.hadoop.yarn.api.records.ProtoBase; import org.apache.hadoop.yarn.api.records.ResourceRequest; import org.apache.hadoop.yarn.api.records.impl.pb.ApplicationAttemptIdPBImpl; import org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl; import org.apache.hadoop.yarn.api.records.impl.pb.ResourceRequestPBImpl; import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAttemptIdProto; import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto; import org.apache.hadoop.yarn.proto.YarnProtos.ResourceRequestProto; import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateRequestProto; import org.apache.hadoop.yarn.proto.YarnServiceProtos.AllocateRequestProtoOrBuilder; public class AllocateRequestPBImpl extends ProtoBase<AllocateRequestProto> implements AllocateRequest { AllocateRequestProto proto = AllocateRequestProto.getDefaultInstance(); AllocateRequestProto.Builder builder = null; boolean viaProto = false; private ApplicationAttemptId applicationAttemptID = null; private List<ResourceRequest> ask = null; private List<ContainerId> release = null; public AllocateRequestPBImpl() { builder = AllocateRequestProto.newBuilder(); } public AllocateRequestPBImpl(AllocateRequestProto proto) { this.proto = proto; viaProto = true; } public AllocateRequestProto getProto() { mergeLocalToProto(); proto = viaProto ? proto : builder.build(); viaProto = true; return proto; } private void mergeLocalToBuilder() { if (this.applicationAttemptID != null) { builder.setApplicationAttemptId(convertToProtoFormat(this.applicationAttemptID)); } if (this.ask != null) { addAsksToProto(); } if (this.release != null) { addReleasesToProto(); } } private void mergeLocalToProto() { if (viaProto) maybeInitBuilder(); mergeLocalToBuilder(); proto = builder.build(); viaProto = true; } private void maybeInitBuilder() { if (viaProto || builder == null) { builder = AllocateRequestProto.newBuilder(proto); } viaProto = false; } @Override public ApplicationAttemptId getApplicationAttemptId() { AllocateRequestProtoOrBuilder p = viaProto ? proto : builder; if (this.applicationAttemptID != null) { return this.applicationAttemptID; } if (!p.hasApplicationAttemptId()) { return null; } this.applicationAttemptID = convertFromProtoFormat(p.getApplicationAttemptId()); return this.applicationAttemptID; } @Override public void setApplicationAttemptId(ApplicationAttemptId appAttemptId) { maybeInitBuilder(); if (appAttemptId == null) builder.clearApplicationAttemptId(); this.applicationAttemptID = appAttemptId; } @Override public int getResponseId() { AllocateRequestProtoOrBuilder p = viaProto ? proto : builder; return p.getResponseId(); } @Override public void setResponseId(int id) { maybeInitBuilder(); builder.setResponseId(id); } @Override public float getProgress() { AllocateRequestProtoOrBuilder p = viaProto ? proto : builder; return p.getProgress(); } @Override public void setProgress(float progress) { maybeInitBuilder(); builder.setProgress(progress); } @Override public List<ResourceRequest> getAskList() { initAsks(); return this.ask; } @Override public ResourceRequest getAsk(int index) { initAsks(); return this.ask.get(index); } @Override public int getAskCount() { initAsks(); return this.ask.size(); } private void initAsks() { if (this.ask != null) { return; } AllocateRequestProtoOrBuilder p = viaProto ? proto : builder; List<ResourceRequestProto> list = p.getAskList(); this.ask = new ArrayList<ResourceRequest>(); for (ResourceRequestProto c : list) { this.ask.add(convertFromProtoFormat(c)); } } @Override public void addAllAsks(final List<ResourceRequest> ask) { if (ask == null) return; initAsks(); this.ask.addAll(ask); } private void addAsksToProto() { maybeInitBuilder(); builder.clearAsk(); if (ask == null) return; Iterable<ResourceRequestProto> iterable = new Iterable<ResourceRequestProto>() { @Override public Iterator<ResourceRequestProto> iterator() { return new Iterator<ResourceRequestProto>() { Iterator<ResourceRequest> iter = ask.iterator(); @Override public boolean hasNext() { return iter.hasNext(); } @Override public ResourceRequestProto next() { return convertToProtoFormat(iter.next()); } @Override public void remove() { throw new UnsupportedOperationException(); } }; } }; builder.addAllAsk(iterable); } @Override public void addAsk(ResourceRequest ask) { initAsks(); this.ask.add(ask); } @Override public void removeAsk(int index) { initAsks(); this.ask.remove(index); } @Override public void clearAsks() { initAsks(); this.ask.clear(); } @Override public List<ContainerId> getReleaseList() { initReleases(); return this.release; } @Override public ContainerId getRelease(int index) { initReleases(); return this.release.get(index); } @Override public int getReleaseCount() { initReleases(); return this.release.size(); } private void initReleases() { if (this.release != null) { return; } AllocateRequestProtoOrBuilder p = viaProto ? proto : builder; List<ContainerIdProto> list = p.getReleaseList(); this.release = new ArrayList<ContainerId>(); for (ContainerIdProto c : list) { this.release.add(convertFromProtoFormat(c)); } } @Override public void addAllReleases(final List<ContainerId> release) { if (release == null) return; initReleases(); this.release.addAll(release); } private void addReleasesToProto() { maybeInitBuilder(); builder.clearRelease(); if (release == null) return; Iterable<ContainerIdProto> iterable = new Iterable<ContainerIdProto>() { @Override public Iterator<ContainerIdProto> iterator() { return new Iterator<ContainerIdProto>() { Iterator<ContainerId> iter = release.iterator(); @Override public boolean hasNext() { return iter.hasNext(); } @Override public ContainerIdProto next() { return convertToProtoFormat(iter.next()); } @Override public void remove() { throw new UnsupportedOperationException(); } }; } }; builder.addAllRelease(iterable); } @Override public void addRelease(ContainerId release) { initReleases(); this.release.add(release); } @Override public void removeRelease(int index) { initReleases(); this.release.remove(index); } @Override public void clearReleases() { initReleases(); this.release.clear(); } private ApplicationAttemptIdPBImpl convertFromProtoFormat(ApplicationAttemptIdProto p) { return new ApplicationAttemptIdPBImpl(p); } private ApplicationAttemptIdProto convertToProtoFormat(ApplicationAttemptId t) { return ((ApplicationAttemptIdPBImpl)t).getProto(); } private ResourceRequestPBImpl convertFromProtoFormat(ResourceRequestProto p) { return new ResourceRequestPBImpl(p); } private ResourceRequestProto convertToProtoFormat(ResourceRequest t) { return ((ResourceRequestPBImpl)t).getProto(); } private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) { return new ContainerIdPBImpl(p); } private ContainerIdProto convertToProtoFormat(ContainerId t) { return ((ContainerIdPBImpl)t).getProto(); } }