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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.codec;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import java.io.IOException;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.InputStream;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.OutputStream;</span> |
| <span class="source-line-no">023</span><span id="line-23">import org.apache.hadoop.hbase.CellBuilderType;</span> |
| <span class="source-line-no">024</span><span id="line-24">import org.apache.hadoop.hbase.ExtendedCell;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.hbase.ExtendedCellBuilder;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.ExtendedCellBuilderFactory;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseInterfaceAudience;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.io.ByteBuffInputStream;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.nio.ByteBuff;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.yetus.audience.InterfaceAudience;</span> |
| <span class="source-line-no">031</span><span id="line-31"></span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;</span> |
| <span class="source-line-no">033</span><span id="line-33"></span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.shaded.protobuf.generated.CellProtos;</span> |
| <span class="source-line-no">036</span><span id="line-36"></span> |
| <span class="source-line-no">037</span><span id="line-37">/**</span> |
| <span class="source-line-no">038</span><span id="line-38"> * Codec that just writes out Cell as a protobuf Cell Message. Does not write the mvcc stamp. Use a</span> |
| <span class="source-line-no">039</span><span id="line-39"> * different codec if you want that in the stream.</span> |
| <span class="source-line-no">040</span><span id="line-40"> */</span> |
| <span class="source-line-no">041</span><span id="line-41">@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)</span> |
| <span class="source-line-no">042</span><span id="line-42">public class MessageCodec implements Codec {</span> |
| <span class="source-line-no">043</span><span id="line-43"> static class MessageEncoder extends BaseEncoder {</span> |
| <span class="source-line-no">044</span><span id="line-44"> MessageEncoder(final OutputStream out) {</span> |
| <span class="source-line-no">045</span><span id="line-45"> super(out);</span> |
| <span class="source-line-no">046</span><span id="line-46"> }</span> |
| <span class="source-line-no">047</span><span id="line-47"></span> |
| <span class="source-line-no">048</span><span id="line-48"> @Override</span> |
| <span class="source-line-no">049</span><span id="line-49"> public void write(ExtendedCell cell) throws IOException {</span> |
| <span class="source-line-no">050</span><span id="line-50"> checkFlushed();</span> |
| <span class="source-line-no">051</span><span id="line-51"> CellProtos.Cell.Builder builder = CellProtos.Cell.newBuilder();</span> |
| <span class="source-line-no">052</span><span id="line-52"> // This copies bytes from Cell to ByteString. I don't see anyway around the copy.</span> |
| <span class="source-line-no">053</span><span id="line-53"> // ByteString is final.</span> |
| <span class="source-line-no">054</span><span id="line-54"> builder.setRow(UnsafeByteOperations.unsafeWrap(cell.getRowArray(), cell.getRowOffset(),</span> |
| <span class="source-line-no">055</span><span id="line-55"> cell.getRowLength()));</span> |
| <span class="source-line-no">056</span><span id="line-56"> builder.setFamily(UnsafeByteOperations.unsafeWrap(cell.getFamilyArray(),</span> |
| <span class="source-line-no">057</span><span id="line-57"> cell.getFamilyOffset(), cell.getFamilyLength()));</span> |
| <span class="source-line-no">058</span><span id="line-58"> builder.setQualifier(UnsafeByteOperations.unsafeWrap(cell.getQualifierArray(),</span> |
| <span class="source-line-no">059</span><span id="line-59"> cell.getQualifierOffset(), cell.getQualifierLength()));</span> |
| <span class="source-line-no">060</span><span id="line-60"> builder.setTimestamp(cell.getTimestamp());</span> |
| <span class="source-line-no">061</span><span id="line-61"> builder.setCellType(CellProtos.CellType.valueOf(cell.getTypeByte()));</span> |
| <span class="source-line-no">062</span><span id="line-62"> builder.setValue(UnsafeByteOperations.unsafeWrap(cell.getValueArray(), cell.getValueOffset(),</span> |
| <span class="source-line-no">063</span><span id="line-63"> cell.getValueLength()));</span> |
| <span class="source-line-no">064</span><span id="line-64"> CellProtos.Cell pbcell = builder.build();</span> |
| <span class="source-line-no">065</span><span id="line-65"> pbcell.writeDelimitedTo(this.out);</span> |
| <span class="source-line-no">066</span><span id="line-66"> }</span> |
| <span class="source-line-no">067</span><span id="line-67"> }</span> |
| <span class="source-line-no">068</span><span id="line-68"></span> |
| <span class="source-line-no">069</span><span id="line-69"> static class MessageDecoder extends BaseDecoder {</span> |
| <span class="source-line-no">070</span><span id="line-70"> private final ExtendedCellBuilder cellBuilder =</span> |
| <span class="source-line-no">071</span><span id="line-71"> ExtendedCellBuilderFactory.create(CellBuilderType.SHALLOW_COPY);</span> |
| <span class="source-line-no">072</span><span id="line-72"></span> |
| <span class="source-line-no">073</span><span id="line-73"> MessageDecoder(final InputStream in) {</span> |
| <span class="source-line-no">074</span><span id="line-74"> super(in);</span> |
| <span class="source-line-no">075</span><span id="line-75"> }</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> @Override</span> |
| <span class="source-line-no">078</span><span id="line-78"> protected ExtendedCell parseCell() throws IOException {</span> |
| <span class="source-line-no">079</span><span id="line-79"> return ProtobufUtil.toCell(cellBuilder, CellProtos.Cell.parseDelimitedFrom(this.in), false);</span> |
| <span class="source-line-no">080</span><span id="line-80"> }</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> @Override</span> |
| <span class="source-line-no">084</span><span id="line-84"> public Decoder getDecoder(InputStream is) {</span> |
| <span class="source-line-no">085</span><span id="line-85"> return new MessageDecoder(is);</span> |
| <span class="source-line-no">086</span><span id="line-86"> }</span> |
| <span class="source-line-no">087</span><span id="line-87"></span> |
| <span class="source-line-no">088</span><span id="line-88"> @Override</span> |
| <span class="source-line-no">089</span><span id="line-89"> public Decoder getDecoder(ByteBuff buf) {</span> |
| <span class="source-line-no">090</span><span id="line-90"> return getDecoder(new ByteBuffInputStream(buf));</span> |
| <span class="source-line-no">091</span><span id="line-91"> }</span> |
| <span class="source-line-no">092</span><span id="line-92"></span> |
| <span class="source-line-no">093</span><span id="line-93"> @Override</span> |
| <span class="source-line-no">094</span><span id="line-94"> public Encoder getEncoder(OutputStream os) {</span> |
| <span class="source-line-no">095</span><span id="line-95"> return new MessageEncoder(os);</span> |
| <span class="source-line-no">096</span><span id="line-96"> }</span> |
| <span class="source-line-no">097</span><span id="line-97">}</span> |
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| </pre> |
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