hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/replication/ContainerReplicaOp.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.hdds.scm.container.replication;

import org.apache.hadoop.hdds.protocol.DatanodeDetails;

/**
 * Class to wrap details used to track pending replications.
 */
public class ContainerReplicaOp {

  /**
   * Enum representing different types of pending Ops.
   */
  public enum PendingOpType {
    ADD, DELETE
  }

  private PendingOpType opType;
  private DatanodeDetails target;
  private int replicaIndex;
  private long scheduledEpochMillis;

  public static ContainerReplicaOp create(PendingOpType opType,
      DatanodeDetails target, int replicaIndex) {
    return new ContainerReplicaOp(opType, target, replicaIndex,
        System.currentTimeMillis());
  }

  public ContainerReplicaOp(PendingOpType opType,
      DatanodeDetails target, int replicaIndex, long scheduledTime) {
    this.opType = opType;
    this.target = target;
    this.replicaIndex = replicaIndex;
    this.scheduledEpochMillis = scheduledTime;
  }

  public PendingOpType getOpType() {
    return opType;
  }

  public DatanodeDetails getTarget() {
    return target;
  }

  public int getReplicaIndex() {
    return replicaIndex;
  }

  public long getScheduledEpochMillis() {
    return scheduledEpochMillis;
  }

}