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+/**
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+ * Licensed to the Apache Software Foundation (ASF) under one
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+ * or more contributor license agreements. See the NOTICE file
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+ * distributed with this work for additional information
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+ * regarding copyright ownership. The ASF licenses this file
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+ * to you under the Apache License, Version 2.0 (the
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+ * "License"); you may not use this file except in compliance
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+ * with the License. You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+
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+package org.apache.hadoop.yarn.api.protocolrecords.impl.pb;
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+
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+import com.google.protobuf.TextFormat;
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+import org.apache.hadoop.classification.InterfaceAudience.Private;
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+import org.apache.hadoop.classification.InterfaceStability.Unstable;
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+import org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateResponse;
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+import org.apache.hadoop.yarn.api.records.ContainerId;
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+import org.apache.hadoop.yarn.api.records.SerializedException;
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+import org.apache.hadoop.yarn.api.records.impl.pb.ContainerIdPBImpl;
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+import org.apache.hadoop.yarn.api.records.impl.pb.SerializedExceptionPBImpl;
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+import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;
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+import org.apache.hadoop.yarn.proto.YarnProtos.SerializedExceptionProto;
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+import org.apache.hadoop.yarn.proto.YarnServiceProtos.ContainerExceptionMapProto;
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+import org.apache.hadoop.yarn.proto.YarnServiceProtos.ContainerUpdateResponseProto;
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+import org.apache.hadoop.yarn.proto.YarnServiceProtos.ContainerUpdateResponseProtoOrBuilder;
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+
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+import java.util.ArrayList;
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+import java.util.HashMap;
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+import java.util.Iterator;
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+import java.util.List;
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+import java.util.Map;
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+
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+
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+/**
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+ * <p>An implementation of <code>ContainerUpdateResponse</code>.</p>
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+ *
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+ * @see ContainerUpdateResponse
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+ */
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+@Private
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+@Unstable
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+public class ContainerUpdateResponsePBImpl extends ContainerUpdateResponse {
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+ private ContainerUpdateResponseProto proto =
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+ ContainerUpdateResponseProto.getDefaultInstance();
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+ private ContainerUpdateResponseProto.Builder builder = null;
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+ private boolean viaProto = false;
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+ private List<ContainerId> succeededRequests = null;
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+ private Map<ContainerId, SerializedException> failedRequests = null;
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+
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+ public ContainerUpdateResponsePBImpl() {
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+ builder = ContainerUpdateResponseProto.newBuilder();
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+ }
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+
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+ public ContainerUpdateResponsePBImpl(ContainerUpdateResponseProto proto) {
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+ this.proto = proto;
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+ viaProto = true;
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+ }
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+
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+ @Override
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+ public List<ContainerId> getSuccessfullyUpdatedContainers() {
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+ initSucceededRequests();
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+ return this.succeededRequests;
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+ }
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+
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+ @Override
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+ public void setSuccessfullyUpdatedContainers(List<ContainerId> succeeded) {
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+ maybeInitBuilder();
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+ if (succeeded == null) {
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+ builder.clearSucceededRequests();
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+ }
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+ this.succeededRequests = succeeded;
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+ }
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+
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+ @Override
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+ public Map<ContainerId, SerializedException> getFailedRequests() {
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+ initFailedRequests();
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+ return this.failedRequests;
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+ }
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+
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+ @Override
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+ public void setFailedRequests(
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+ Map<ContainerId, SerializedException> failedRequests) {
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+ maybeInitBuilder();
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+ if (failedRequests == null) {
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+ builder.clearFailedRequests();
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+ }
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+ this.failedRequests = failedRequests;
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+ }
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+
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+ @Override
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+ public int hashCode() {
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+ return getProto().hashCode();
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+ }
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+
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+ @Override
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+ public boolean equals(Object other) {
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+ if (other == null) {
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+ return false;
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+ }
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+ if (other.getClass().isAssignableFrom(this.getClass())) {
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+ return this.getProto().equals(this.getClass().cast(other).getProto());
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+ }
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+ return false;
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+ }
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+
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+ @Override
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+ public String toString() {
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+ return TextFormat.shortDebugString(getProto());
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+ }
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+
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+ public ContainerUpdateResponseProto getProto() {
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+ mergeLocalToProto();
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+ proto = viaProto ? proto : builder.build();
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+ viaProto = true;
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+ return proto;
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+ }
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+
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+ private void initSucceededRequests() {
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+ if (this.succeededRequests != null) {
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+ return;
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+ }
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+ ContainerUpdateResponseProtoOrBuilder p = viaProto ? proto : builder;
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+ List<ContainerIdProto> list = p.getSucceededRequestsList();
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+ this.succeededRequests = new ArrayList<ContainerId>();
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+ for (ContainerIdProto c : list) {
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+ this.succeededRequests.add(convertFromProtoFormat(c));
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+ }
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+ }
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+
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+ private void maybeInitBuilder() {
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+ if (viaProto || builder == null) {
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+ builder = ContainerUpdateResponseProto.newBuilder(proto);
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+ }
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+ viaProto = false;
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+ }
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+
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+ private void initFailedRequests() {
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+ if (this.failedRequests != null) {
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+ return;
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+ }
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+ ContainerUpdateResponseProtoOrBuilder p = viaProto ? proto : builder;
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+ List<ContainerExceptionMapProto> protoList = p.getFailedRequestsList();
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+ this.failedRequests = new HashMap<ContainerId, SerializedException>();
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+ for (ContainerExceptionMapProto ce : protoList) {
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+ this.failedRequests.put(convertFromProtoFormat(ce.getContainerId()),
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+ convertFromProtoFormat(ce.getException()));
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+ }
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+ }
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+
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+ private void mergeLocalToBuilder() {
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+ if (this.succeededRequests != null) {
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+ addSucceededRequestsToProto();
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+ }
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+ if (this.failedRequests != null) {
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+ addFailedRequestsToProto();
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+ }
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+ }
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+
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+ private void mergeLocalToProto() {
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+ if (viaProto) {
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+ maybeInitBuilder();
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+ }
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+ mergeLocalToBuilder();
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+ proto = builder.build();
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+ viaProto = true;
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+ }
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+
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+ private void addSucceededRequestsToProto() {
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+ maybeInitBuilder();
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+ builder.clearSucceededRequests();
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+ if (this.succeededRequests == null) {
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+ return;
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+ }
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+ Iterable<ContainerIdProto> iterable = new Iterable<ContainerIdProto>() {
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+ @Override
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+ public Iterator<ContainerIdProto> iterator() {
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+ return new Iterator<ContainerIdProto>() {
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+ private Iterator<ContainerId> iter = succeededRequests.iterator();
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+
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+ @Override
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+ public boolean hasNext() {
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+ return iter.hasNext();
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+ }
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+
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+ @Override
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+ public ContainerIdProto next() {
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+ return convertToProtoFormat(iter.next());
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+ }
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+
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+ @Override
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+ public void remove() {
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+ throw new UnsupportedOperationException();
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+ }
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+ };
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+ }
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+ };
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+ builder.addAllSucceededRequests(iterable);
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+ }
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+
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+ private void addFailedRequestsToProto() {
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+ maybeInitBuilder();
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+ builder.clearFailedRequests();
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+ if (this.failedRequests == null) {
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+ return;
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+ }
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+ List<ContainerExceptionMapProto> protoList =
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+ new ArrayList<ContainerExceptionMapProto>();
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+
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+ for (Map.Entry<ContainerId, SerializedException> entry : this.failedRequests
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+ .entrySet()) {
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+ protoList.add(ContainerExceptionMapProto.newBuilder()
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+ .setContainerId(convertToProtoFormat(entry.getKey()))
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+ .setException(convertToProtoFormat(entry.getValue())).build());
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+ }
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+ builder.addAllFailedRequests(protoList);
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+ }
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+
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+ private ContainerIdPBImpl convertFromProtoFormat(ContainerIdProto p) {
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+ return new ContainerIdPBImpl(p);
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+ }
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+
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+ private ContainerIdProto convertToProtoFormat(ContainerId t) {
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+ return ((ContainerIdPBImpl) t).getProto();
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+ }
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+
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+ private SerializedExceptionPBImpl convertFromProtoFormat(
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+ SerializedExceptionProto p) {
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+ return new SerializedExceptionPBImpl(p);
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+ }
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+
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+ private SerializedExceptionProto convertToProtoFormat(SerializedException t) {
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+ return ((SerializedExceptionPBImpl) t).getProto();
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+ }
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+}
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