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;
  
  import alluxio.worker.block.meta.StorageTier;
  import alluxio.worker.block.meta.StorageTierAllocatorView;
  
  import javax.annotation.concurrent.NotThreadSafe;
  
  /**
   * This class exposes a narrower read-only view of block metadata to allocators.
   */
  @NotThreadSafe
  public class BlockMetadataAllocatorView extends BlockMetadataView {
  
    /**
     * Creates a new instance of {@link BlockMetadataAllocatorView}.
     *
     * @param manager which the view should be constructed from
     * @param useReservedSpace include reserved space in available bytes
     */
    public BlockMetadataAllocatorView(BlockMetadataManager manager, boolean useReservedSpace) {
      super(manager, useReservedSpace);
    }
  
    @Override
    public void initializeView() {
      // iteratively create all StorageTierViews and StorageDirViews
      for (StorageTier tier : mMetadataManager.getTiers()) {
        StorageTierAllocatorView tierView = new StorageTierAllocatorView(tier, mUseReservedSpace);
        mTierViews.add(tierView);
        mAliasToTierViews.put(tier.getTierAlias(), tierView);
      }
    }
  }
  