content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.worker.block.management;
  
  import com.google.common.base.MoreObjects;
  
  /**
   * Result container for unique block management sub-task.
   * Sub-tasks are defined by {@link BlockOperationType} enum.
   */
  public class BlockOperationResult {
    /** How many operations. */
    private int mOpCount;
    /** How many failed. */
    private int mFailCount;
    /** How many backed off. */
    private int mBackoffCount;
  
    /**
     * Creates an empty operation result.
     */
    public BlockOperationResult() {
      this(0, 0, 0);
    }
  
    /**
     * Creates an operation result.
     *
     * @param opCount operation count
     * @param failCount failure count
     * @param backOffCount back-off count
     */
    public BlockOperationResult(int opCount, int failCount, int backOffCount) {
      mOpCount = opCount;
      mFailCount = failCount;
      mBackoffCount = backOffCount;
    }
  
    /**
     * Merges result counters of this result with the given result.
     *
     * @param otherResult the result to merge with
     * @return the updated block operation result
     */
    public BlockOperationResult mergeWith(BlockOperationResult otherResult) {
      mOpCount += otherResult.mOpCount;
      mFailCount += otherResult.mFailCount;
      mBackoffCount += otherResult.mBackoffCount;
      return this;
    }
  
    /**
     * @return the operation count
     */
    public int opCount() {
      return mOpCount;
    }
  
    /**
     * @return the failure count
     */
    public int failCount() {
      return mFailCount;
    }
  
    /**
     * @return the back-off count
     */
    public int backOffCount() {
      return mBackoffCount;
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this)
          .add("OpCount", mOpCount)
          .add("FailCount", mFailCount)
          .add("BackOffCount", mBackoffCount)
          .toString();
    }
  }
  