hadoop ContainerIdPBImpl 源码
haddop ContainerIdPBImpl 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ContainerIdPBImpl.java
/**
* 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 org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.proto.YarnProtos.ApplicationAttemptIdProto;
import org.apache.hadoop.yarn.proto.YarnProtos.ContainerIdProto;
import org.apache.hadoop.util.Preconditions;
@Private
@Unstable
public class ContainerIdPBImpl extends ContainerId {
ContainerIdProto proto = null;
ContainerIdProto.Builder builder = null;
private ApplicationAttemptId applicationAttemptId = null;
public ContainerIdPBImpl() {
builder = ContainerIdProto.newBuilder();
}
public ContainerIdPBImpl(ContainerIdProto proto) {
this.proto = proto;
this.applicationAttemptId = convertFromProtoFormat(proto.getAppAttemptId());
}
public ContainerIdProto getProto() {
return proto;
}
@Deprecated
@Override
public int getId() {
Preconditions.checkNotNull(proto);
return (int) proto.getId();
}
@Override
public long getContainerId() {
Preconditions.checkNotNull(proto);
return proto.getId();
}
@Override
protected void setContainerId(long id) {
Preconditions.checkNotNull(builder);
builder.setId((id));
}
@Override
public ApplicationAttemptId getApplicationAttemptId() {
return this.applicationAttemptId;
}
@Override
protected void setApplicationAttemptId(ApplicationAttemptId atId) {
if (atId != null) {
Preconditions.checkNotNull(builder);
builder.setAppAttemptId(convertToProtoFormat(atId));
}
this.applicationAttemptId = atId;
}
private ApplicationAttemptIdPBImpl convertFromProtoFormat(
ApplicationAttemptIdProto p) {
return new ApplicationAttemptIdPBImpl(p);
}
private ApplicationAttemptIdProto convertToProtoFormat(
ApplicationAttemptId t) {
return ((ApplicationAttemptIdPBImpl)t).getProto();
}
@Override
protected void build() {
proto = builder.build();
builder = null;
}
}
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