content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.asterix.cloud;
  
  import java.io.IOException;
  
  import org.apache.asterix.cloud.clients.ICloudWriter;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.io.FileReference;
  import org.apache.hyracks.api.io.IIOManager;
  import org.apache.hyracks.cloud.filesystem.FileSystemOperationDispatcherUtil;
  import org.apache.hyracks.control.nc.io.FileHandle;
  
  public class CloudFileHandle extends FileHandle {
      private final ICloudWriter cloudWriter;
      private int blockSize;
      private int fileDescriptor;
  
      public CloudFileHandle(FileReference fileRef, ICloudWriter cloudWriter) {
          super(fileRef);
          this.cloudWriter = cloudWriter;
      }
  
      @Override
      public void open(IIOManager.FileReadWriteMode rwMode, IIOManager.FileSyncMode syncMode) throws IOException {
          if (fileRef.getFile().exists()) {
              super.open(rwMode, syncMode);
          }
          fileDescriptor = FileSystemOperationDispatcherUtil.getFileDescriptor(getFileChannel());
          blockSize = FileSystemOperationDispatcherUtil.getBlockSize(fileDescriptor);
      }
  
      public ICloudWriter getCloudWriter() {
          return cloudWriter;
      }
  
      public int getBlockSize() throws HyracksDataException {
          return blockSize;
      }
  
      public int getFileDescriptor() throws HyracksDataException {
          return fileDescriptor;
      }
  }
  