hadoop GetNamespaceInfoResponsePBImpl 源码

haddop GetNamespaceInfoResponsePBImpl 代码

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

import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.FederationNamespaceInfoProto;
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.GetNamespaceInfoResponseProto;
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.GetNamespaceInfoResponseProtoOrBuilder;
import org.apache.hadoop.hdfs.server.federation.resolver.FederationNamespaceInfo;
import org.apache.hadoop.hdfs.server.federation.store.protocol.GetNamespaceInfoResponse;
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;

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

/**
 * Protobuf implementation of the state store API object
 * GetNamespaceInfoResponse.
 */
public class GetNamespaceInfoResponsePBImpl
    extends GetNamespaceInfoResponse implements PBRecord {

  private FederationProtocolPBTranslator<GetNamespaceInfoResponseProto,
      GetNamespaceInfoResponseProto.Builder,
      GetNamespaceInfoResponseProtoOrBuilder> translator =
          new FederationProtocolPBTranslator<GetNamespaceInfoResponseProto,
              GetNamespaceInfoResponseProto.Builder,
              GetNamespaceInfoResponseProtoOrBuilder>(
                  GetNamespaceInfoResponseProto.class);

  public GetNamespaceInfoResponsePBImpl() {
  }

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

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

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

  @Override
  public Set<FederationNamespaceInfo> getNamespaceInfo() {

    Set<FederationNamespaceInfo> ret = new HashSet<FederationNamespaceInfo>();
    List<FederationNamespaceInfoProto> namespaceList =
        this.translator.getProtoOrBuilder().getNamespaceInfosList();
    for (FederationNamespaceInfoProto ns : namespaceList) {
      FederationNamespaceInfo info = new FederationNamespaceInfo(
          ns.getBlockPoolId(), ns.getClusterId(), ns.getNameserviceId());
      ret.add(info);
    }
    return ret;
  }

  @Override
  public void setNamespaceInfo(Set<FederationNamespaceInfo> namespaceInfo) {
    int index = 0;
    for (FederationNamespaceInfo item : namespaceInfo) {
      FederationNamespaceInfoProto.Builder itemBuilder =
          FederationNamespaceInfoProto.newBuilder();
      itemBuilder.setClusterId(item.getClusterId());
      itemBuilder.setBlockPoolId(item.getBlockPoolId());
      itemBuilder.setNameserviceId(item.getNameserviceId());
      this.translator.getBuilder().addNamespaceInfos(index,
          itemBuilder.build());
      index++;
    }
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop AddMountTableEntryRequestPBImpl 源码

hadoop AddMountTableEntryResponsePBImpl 源码

hadoop DisableNameserviceRequestPBImpl 源码

hadoop DisableNameserviceResponsePBImpl 源码

hadoop EnableNameserviceRequestPBImpl 源码

hadoop EnableNameserviceResponsePBImpl 源码

hadoop EnterSafeModeRequestPBImpl 源码

hadoop EnterSafeModeResponsePBImpl 源码

hadoop FederationProtocolPBTranslator 源码

hadoop GetDestinationRequestPBImpl 源码