@@ -0,0 +1,1643 @@
+/*%0A * Licensed to the University of California, Berkeley under one or more contributor license%0A * agreements. See the NOTICE file distributed with this work for additional information regarding%0A * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance with the License. You may obtain a%0A * copy of the License at%0A *%0A * http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software distributed under the License%0A * is distributed on an %22AS IS%22 BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express%0A * or implied. See the License for the specific language governing permissions and limitations under%0A * the License.%0A */%0A%0Apackage tachyon.worker.keyvalue;%0A%0Aimport com.google.common.base.Preconditions;%0Aimport tachyon.util.io.ByteIOUtils;%0A%0Aimport java.io.Closeable;%0Aimport java.util.Arrays;%0A%0A/**%0A * Reader to access key value pairs in payload%0A */%0Apublic final class PayloadReader %7B%0A  private byte%5B%5D mBuf;%0A%0A  public PayloadReader(byte%5B%5D buf) %7B%0A    mBuf = Preconditions.checkNotNull(buf);%0A  %7D%0A%0A  public byte%5B%5D getKey(int pos) %7B%0A    final int keyLength = ByteIOUtils.readInt(mBuf, pos);%0A    final int keyFrom = pos + 8;%0A    return Arrays.copyOfRange(mBuf, keyFrom, keyFrom + keyLength);%0A  %7D%0A%0A  public byte%5B%5D getValue(int pos) %7B%0A    final int keyLength = ByteIOUtils.readInt(mBuf, pos);%0A    final int valueLength = ByteIOUtils.readInt(mBuf, pos + 4);%0A    final int valueFrom = pos + 8 + keyLength;%0A    return Arrays.copyOfRange(mBuf, valueFrom, valueFrom + valueLength);%0A  %7D%0A%0A%7D%0A

Add intial impl of PayloadReader