@@ -0,0 +1,1660 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements. See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache License, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License. You may obtain a copy of the License at%0A * http://www.apache.org/licenses/LICENSE-2.0%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage tachyon.client;%0A%0Aimport java.io.FileNotFoundException;%0Aimport java.io.IOException;%0Aimport java.nio.ByteBuffer;%0A%0A/**%0A * it is used for handling block files on HDFS.%0A */%0A// TODO how to simulate read & write with HDFS just like localFS (using ByteBuffer)%0Apublic class BlockHandlerHdfs extends BlockHandler %7B%0A%0A  public BlockHandlerHdfs(String path, Object conf) throws IOException %7B%0A    super(path);%0A%0A  %7D%0A%0A  @Override%0A  public int appendCurrentBuffer(byte%5B%5D buf, long inFileBytes, int offset, int length)%0A      throws IOException, FileNotFoundException %7B%0A%0A    return 0;%0A  %7D%0A%0A  @Override%0A  public void close() throws IOException %7B%0A%0A    return;%0A  %7D%0A%0A  @Override%0A  public void delete() %7B%0A%0A    return;%0A  %7D%0A%0A  @Override%0A  public ByteBuffer readByteBuffer(int offset, int length) throws IOException,%0A      FileNotFoundException %7B%0A%0A    return ByteBuffer.allocate(0);%0A  %7D%0A%7D%0A

add BlockHandlerHdfs as stub