hadoop StateStoreVersionPBImpl 源码

2022-10-20
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haddop StateStoreVersionPBImpl 代码

文件路径：/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/store/records/impl/pb/StateStoreVersionPBImpl.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.hdfs.server.federation.store.records.impl.pb;

import java.io.IOException;

import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.StateStoreVersionRecordProto;
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.StateStoreVersionRecordProto.Builder;
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.StateStoreVersionRecordProtoOrBuilder;
import org.apache.hadoop.hdfs.server.federation.store.protocol.impl.pb.FederationProtocolPBTranslator;
import org.apache.hadoop.hdfs.server.federation.store.records.StateStoreVersion;

import org.apache.hadoop.thirdparty.protobuf.Message;

/**
 * Protobuf implementation of the StateStoreVersion record.
 */
public class StateStoreVersionPBImpl extends StateStoreVersion
    implements PBRecord {

  private FederationProtocolPBTranslator<StateStoreVersionRecordProto, Builder,
      StateStoreVersionRecordProtoOrBuilder> translator =
          new FederationProtocolPBTranslator<StateStoreVersionRecordProto,
              Builder, StateStoreVersionRecordProtoOrBuilder>(
                  StateStoreVersionRecordProto.class);

  public StateStoreVersionPBImpl() {
  }

  @Override
  public StateStoreVersionRecordProto getProto() {
    return this.translator.build();
  }

  @Override
  public void setProto(Message proto) {
    this.translator.setProto(proto);
  }

  @Override
  public void readInstance(String base64String) throws IOException {
    this.translator.readInstance(base64String);
  }

  @Override
  public long getMembershipVersion() {
    return this.translator.getProtoOrBuilder().getMembershipVersion();
  }

  @Override
  public void setMembershipVersion(long version) {
    this.translator.getBuilder().setMembershipVersion(version);
  }

  @Override
  public long getMountTableVersion() {
    return this.translator.getProtoOrBuilder().getMountTableVersion();
  }

  @Override
  public void setMountTableVersion(long version) {
    this.translator.getBuilder().setMountTableVersion(version);
  }
}

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