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.page;
  
  import com.google.common.base.Preconditions;
  
  /**
   * Temp block meta for a paged block.
   */
  public class PagedTempBlockMeta extends PagedBlockMeta {
    private long mBlockSize;
  
    /**
     * @param blockId
     * @param dir
     */
    public PagedTempBlockMeta(long blockId, PagedBlockStoreDir dir) {
      super(blockId, 0, dir);
      mBlockSize = 0;
    }
  
    @Override
    public long getBlockSize() {
      return mBlockSize;
    }
  
    /**
     * @param newSize
     */
    public void setBlockSize(long newSize) {
      Preconditions.checkState(mBlockSize <= newSize, "Shrinking block, not supported!");
      mBlockSize = newSize;
    }
  }
  