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.client.block;
  
  import alluxio.annotation.PublicApi;
  import alluxio.wire.WorkerNetAddress;
  
  import com.google.common.base.MoreObjects;
  import com.google.common.base.Preconditions;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * Information of an active block worker.
   */
  @PublicApi
  @ThreadSafe
  public final class BlockWorkerInfo {
    private final WorkerNetAddress mNetAddress;
    private final long mCapacityBytes;
    private final long mUsedBytes;
  
    /**
     * Constructs the block worker information.
     *
     * @param netAddress the address of the worker
     * @param capacityBytes the capacity of the worker in bytes
     * @param usedBytes the used bytes of the worker
     */
    public BlockWorkerInfo(WorkerNetAddress netAddress, long capacityBytes, long usedBytes) {
      mNetAddress = Preconditions.checkNotNull(netAddress, "netAddress");
      mCapacityBytes = capacityBytes;
      mUsedBytes = usedBytes;
    }
  
    /**
     * @return the address of the worker
     */
    public WorkerNetAddress getNetAddress() {
      return mNetAddress;
    }
  
    /**
     * @return the capacity of the worker in bytes
     */
    public long getCapacityBytes() {
      return mCapacityBytes;
    }
  
    /**
     * @return the used bytes of the worker
     */
    public long getUsedBytes() {
      return mUsedBytes;
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this)
          .add("netAddress", mNetAddress)
          .add("capacityBytes", mCapacityBytes)
          .add("usedBytes", mUsedBytes)
          .toString();
    }
  }
  