org.apache.hadoop.yarn.nodelabels.store.op.AddClusterLabelOp Maven / Gradle / Ivy

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/**
 * 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 org.apache.hadoop.shaded.com.liance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org.apache.hadoop.shaded.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.shaded.org.apache.hadoop.yarn.nodelabels.store.op;

import org.apache.hadoop.shaded.org.apache.hadoop.yarn.api.records.NodeLabel;
import org.apache.hadoop.shaded.org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
import org.apache.hadoop.shaded.org.apache.hadoop.yarn.proto.YarnServerResourceManagerServiceProtos;
import org.apache.hadoop.shaded.org.apache.hadoop.yarn.server.api.protocolrecords
    .AddToClusterNodeLabelsRequest;
import org.apache.hadoop.shaded.org.apache.hadoop.yarn.server.api.protocolrecords.impl.pb
    .AddToClusterNodeLabelsRequestPBImpl;

import java.org.apache.hadoop.shaded.io.IOException;
import java.org.apache.hadoop.shaded.io.InputStream;
import java.org.apache.hadoop.shaded.io.OutputStream;
import java.util.List;

/**
 * Add label operation for file system.
 */
public class AddClusterLabelOp
    extends FSNodeStoreLogOp {

  private List labels;

  public static final int OPCODE = 0;

  @Override
  public void write(OutputStream os, CommonNodeLabelsManager mgr)
      throws IOException {
    ((AddToClusterNodeLabelsRequestPBImpl) AddToClusterNodeLabelsRequest
        .newInstance(labels)).getProto().writeDelimitedTo(os);
  }

  @Override
  public void recover(InputStream is, CommonNodeLabelsManager mgr)
      throws IOException {
    labels = new AddToClusterNodeLabelsRequestPBImpl(
        YarnServerResourceManagerServiceProtos
            .AddToClusterNodeLabelsRequestProto
            .parseDelimitedFrom(is)).getNodeLabels();
    mgr.addToCluserNodeLabels(labels);
  }

  public AddClusterLabelOp setLabels(List nodeLabels) {
    this.labels = nodeLabels;
    return this;
  }

  public List getLabels() {
    return labels;
  }

  @Override
  public int getOpCode() {
    return OPCODE;
  }
}