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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.util;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.ArrayList;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.ArrayBackedTag;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.KeyValue;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.Tag;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.testclassification.MiscTests;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.testclassification.SmallTests;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.junit.Assert;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.junit.ClassRule;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.junit.Test;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.junit.experimental.categories.Category;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span>@Category({ MiscTests.class, SmallTests.class })<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>public class TestByteRangeWithKVSerialization {<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span> @ClassRule<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> HBaseClassTestRule.forClass(TestByteRangeWithKVSerialization.class);<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> static void writeCell(PositionedByteRange pbr, KeyValue kv) throws Exception {<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> pbr.putInt(kv.getKeyLength());<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> pbr.putInt(kv.getValueLength());<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> pbr.put(kv.getBuffer(), kv.getKeyOffset(), kv.getKeyLength());<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> pbr.put(kv.getBuffer(), kv.getValueOffset(), kv.getValueLength());<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> int tagsLen = kv.getTagsLength();<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> pbr.put((byte) (tagsLen >> 8 & 0xff));<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> pbr.put((byte) (tagsLen & 0xff));<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> pbr.put(kv.getTagsArray(), kv.getTagsOffset(), tagsLen);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> pbr.putVLong(kv.getSequenceId());<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> }<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> static KeyValue readCell(PositionedByteRange pbr) throws Exception {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> int kvStartPos = pbr.getPosition();<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> int keyLen = pbr.getInt();<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> int valLen = pbr.getInt();<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> pbr.setPosition(pbr.getPosition() + keyLen + valLen); // Skip the key and value section<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> int tagsLen = ((pbr.get() & 0xff) << 8) ^ (pbr.get() & 0xff);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> pbr.setPosition(pbr.getPosition() + tagsLen); // Skip the tags section<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> long mvcc = pbr.getVLong();<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> KeyValue kv = new KeyValue(pbr.getBytes(), kvStartPos,<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> (int) KeyValue.getKeyValueDataStructureSize(keyLen, valLen, tagsLen));<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> kv.setSequenceId(mvcc);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> return kv;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @Test<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public void testWritingAndReadingCells() throws Exception {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> final byte[] FAMILY = Bytes.toBytes("f1");<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> final byte[] QUALIFIER = Bytes.toBytes("q1");<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> final byte[] VALUE = Bytes.toBytes("v");<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> int kvCount = 1000000;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> List<KeyValue> kvs = new ArrayList<>(kvCount);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> int totalSize = 0;<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> Tag[] tags = new Tag[] { new ArrayBackedTag((byte) 1, "tag1") };<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> for (int i = 0; i < kvCount; i++) {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> KeyValue kv = new KeyValue(Bytes.toBytes(i), FAMILY, QUALIFIER, i, VALUE, tags);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> kv.setSequenceId(i);<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> kvs.add(kv);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> totalSize += kv.getLength() + Bytes.SIZEOF_LONG;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> PositionedByteRange pbr = new SimplePositionedMutableByteRange(totalSize);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> for (KeyValue kv : kvs) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> writeCell(pbr, kv);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> PositionedByteRange pbr1 =<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> new SimplePositionedMutableByteRange(pbr.getBytes(), 0, pbr.getPosition());<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> for (int i = 0; i < kvCount; i++) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> KeyValue kv = readCell(pbr1);<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> KeyValue kv1 = kvs.get(i);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> Assert.assertTrue(kv.equals(kv1));<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> Assert.assertTrue(Bytes.equals(kv.getValueArray(), kv.getValueOffset(), kv.getValueLength(),<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> kv1.getValueArray(), kv1.getValueOffset(), kv1.getValueLength()));<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> Assert.assertTrue(Bytes.equals(kv.getTagsArray(), kv.getTagsOffset(), kv.getTagsLength(),<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> kv1.getTagsArray(), kv1.getTagsOffset(), kv1.getTagsLength()));<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> Assert.assertEquals(kv1.getSequenceId(), kv.getSequenceId());<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span>}<a name="line.99"></a> |
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