hadoop GetQueueUserAclsInfoResponsePBImpl 源码

  • 2022-10-20
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haddop GetQueueUserAclsInfoResponsePBImpl 代码

文件路径:/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/protocolrecords/impl/pb/GetQueueUserAclsInfoResponsePBImpl.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.protocolrecords.impl.pb;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueUserAclsInfoResponse;
import org.apache.hadoop.yarn.api.records.QueueUserACLInfo;
import org.apache.hadoop.yarn.api.records.impl.pb.QueueUserACLInfoPBImpl;
import org.apache.hadoop.yarn.proto.YarnProtos.QueueUserACLInfoProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoResponseProto;
import org.apache.hadoop.yarn.proto.YarnServiceProtos.GetQueueUserAclsInfoResponseProtoOrBuilder;

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

@Private
@Unstable
public class GetQueueUserAclsInfoResponsePBImpl extends GetQueueUserAclsInfoResponse {

  List<QueueUserACLInfo> queueUserAclsInfoList;

  GetQueueUserAclsInfoResponseProto proto = 
    GetQueueUserAclsInfoResponseProto.getDefaultInstance();
  GetQueueUserAclsInfoResponseProto.Builder builder = null;
  boolean viaProto = false;

  public GetQueueUserAclsInfoResponsePBImpl() {
    builder = GetQueueUserAclsInfoResponseProto.newBuilder();
  }
  
  public GetQueueUserAclsInfoResponsePBImpl(
      GetQueueUserAclsInfoResponseProto proto) {
    this.proto = proto;
    viaProto = true;
  }

  @Override
  public List<QueueUserACLInfo> getUserAclsInfoList() {
    initLocalQueueUserAclsList();
    return queueUserAclsInfoList;
  }

  @Override
  public void setUserAclsInfoList(List<QueueUserACLInfo> queueUserAclsList) {
    if (queueUserAclsList == null) {
      builder.clearQueueUserAcls();
    }
    this.queueUserAclsInfoList = queueUserAclsList;
  }

  public GetQueueUserAclsInfoResponseProto getProto() {
    mergeLocalToProto();
    proto = viaProto ? proto : builder.build();
    viaProto = true;
    return proto;
  }

  @Override
  public int hashCode() {
    return getProto().hashCode();
  }

  @Override
  public boolean equals(Object other) {
    if (other == null)
      return false;
    if (other.getClass().isAssignableFrom(this.getClass())) {
      return this.getProto().equals(this.getClass().cast(other).getProto());
    }
    return false;
  }

  @Override
  public String toString() {
    return TextFormat.shortDebugString(getProto());
  }

  private void mergeLocalToBuilder() {
    if (this.queueUserAclsInfoList != null) {
      addLocalQueueUserACLInfosToProto();
    }
  }

  private void mergeLocalToProto() {
    if (viaProto) 
      maybeInitBuilder();
    mergeLocalToBuilder();
    proto = builder.build();
    viaProto = true;
  }

  private void maybeInitBuilder() {
    if (viaProto || builder == null) {
      builder = GetQueueUserAclsInfoResponseProto.newBuilder(proto);
    }
    viaProto = false;
  }

  // Once this is called. containerList will never be null - until a getProto
  // is called.
  private void initLocalQueueUserAclsList() {
    if (this.queueUserAclsInfoList != null) {
      return;
    }
    GetQueueUserAclsInfoResponseProtoOrBuilder p = viaProto ? proto : builder;
    List<QueueUserACLInfoProto> list = p.getQueueUserAclsList();
    queueUserAclsInfoList = new ArrayList<QueueUserACLInfo>();

    for (QueueUserACLInfoProto a : list) {
      queueUserAclsInfoList.add(convertFromProtoFormat(a));
    }
  }

  private void addLocalQueueUserACLInfosToProto() {
    maybeInitBuilder();
    builder.clearQueueUserAcls();
    if (queueUserAclsInfoList == null)
      return;
    Iterable<QueueUserACLInfoProto> iterable = new Iterable<QueueUserACLInfoProto>() {
      @Override
      public Iterator<QueueUserACLInfoProto> iterator() {
        return new Iterator<QueueUserACLInfoProto>() {

          Iterator<QueueUserACLInfo> iter = queueUserAclsInfoList.iterator();

          @Override
          public boolean hasNext() {
            return iter.hasNext();
          }

          @Override
          public QueueUserACLInfoProto next() {
            return convertToProtoFormat(iter.next());
          }

          @Override
          public void remove() {
            throw new UnsupportedOperationException();

          }
        };

      }
    };
    builder.addAllQueueUserAcls(iterable);
  }

  private QueueUserACLInfoPBImpl convertFromProtoFormat(QueueUserACLInfoProto p) {
    return new QueueUserACLInfoPBImpl(p);
  }

  private QueueUserACLInfoProto convertToProtoFormat(QueueUserACLInfo t) {
    return ((QueueUserACLInfoPBImpl)t).getProto();
  }

}

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