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 alluxio.conf.Configuration;
  import alluxio.conf.PropertyKey;
  import alluxio.worker.block.BlockMetadataEvictorView;
  import alluxio.worker.block.BlockMetadataManager;
  import alluxio.worker.block.LocalBlockStore;
  
  import java.util.concurrent.ExecutorService;
  
  /**
   * Abstract block management task implementation.
   */
  public abstract class AbstractBlockManagementTask implements BlockManagementTask {
    protected final LocalBlockStore mBlockStore;
    protected final BlockMetadataManager mMetadataManager;
    protected final BlockMetadataEvictorView mEvictorView;
    protected final StoreLoadTracker mLoadTracker;
    protected final ExecutorService mExecutor;
    protected final BlockTransferExecutor mTransferExecutor;
  
    /**
     * Creates abstract task implementation.
     *
     * @param blockStore the block store
     * @param metadataManager the meta manager
     * @param evictorView the evictor view
     * @param loadTracker the load tracker
     * @param executor the executor to use for task execution
     */
    public AbstractBlockManagementTask(LocalBlockStore blockStore,
        BlockMetadataManager metadataManager, BlockMetadataEvictorView evictorView,
        StoreLoadTracker loadTracker, ExecutorService executor) {
      mBlockStore = blockStore;
      mMetadataManager = metadataManager;
      mEvictorView = evictorView;
      mLoadTracker = loadTracker;
      mExecutor = executor;
      mTransferExecutor = new BlockTransferExecutor(executor, blockStore, loadTracker,
          Configuration.getInt(PropertyKey.WORKER_MANAGEMENT_BLOCK_TRANSFER_CONCURRENCY_LIMIT));
    }
  }
  