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.wire;
  
  import alluxio.annotation.PublicApi;
  
  import com.google.common.base.MoreObjects;
  import com.google.common.base.Objects;
  import com.google.common.base.Preconditions;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.List;
  import javax.annotation.concurrent.NotThreadSafe;
  
  /**
   * The file block information.
   */
  @PublicApi
  @NotThreadSafe
  public final class FileBlockInfo implements Serializable {
    private static final long serialVersionUID = -3313640897617385301L;
  
    private BlockInfo mBlockInfo = new BlockInfo();
    private long mOffset;
    private ArrayList<String> mUfsLocations = new ArrayList<>();
  
    /**
     * Creates a new instance of {@link FileBlockInfo}.
     */
    public FileBlockInfo() {}
  
    /**
     * @return the block info
     */
    public BlockInfo getBlockInfo() {
      return mBlockInfo;
    }
  
    /**
     * @return the offset
     */
    public long getOffset() {
      return mOffset;
    }
  
    /**
     * @return the UFS locations
     */
    public List<String> getUfsLocations() {
      return mUfsLocations;
    }
  
    /**
     * @param blockInfo the block info to use
     * @return the file block information
     */
    public FileBlockInfo setBlockInfo(BlockInfo blockInfo) {
      Preconditions.checkNotNull(blockInfo, "blockInfo");
      mBlockInfo = blockInfo;
      return this;
    }
  
    /**
     * @param offset the offset to use
     * @return the file block information
     */
    public FileBlockInfo setOffset(long offset) {
      mOffset = offset;
      return this;
    }
  
    /**
     * @param ufsLocations the UFS locations to use
     * @return the file block information
     */
    public FileBlockInfo setUfsLocations(List<String> ufsLocations) {
      Preconditions.checkNotNull(ufsLocations, "ufsLocations");
      mUfsLocations = new ArrayList<>(ufsLocations);
      return this;
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (!(o instanceof FileBlockInfo)) {
        return false;
      }
      FileBlockInfo that = (FileBlockInfo) o;
      return mBlockInfo.equals(that.mBlockInfo) && mOffset == that.mOffset
          && mUfsLocations.equals(that.mUfsLocations);
    }
  
    @Override
    public int hashCode() {
      return Objects.hashCode(mBlockInfo, mOffset, mUfsLocations);
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this).add("blockInfo", mBlockInfo).add("offset", mOffset)
          .add("ufsLocations", mUfsLocations).toString();
    }
  }
  