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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.mapreduce;</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 edu.umd.cs.findbugs.annotations.Nullable;</span> |
| <span class="source-line-no">021</span><span id="line-21">import java.io.IOException;</span> |
| <span class="source-line-no">022</span><span id="line-22">import java.util.Collection;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.List;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.Map;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.io.ImmutableBytesWritable;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.logging.Log4jUtils;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.testclassification.VerySlowMapReduceTests;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.util.CommonFSUtils;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.mapreduce.Job;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.junit.Before;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.junit.ClassRule;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">041</span><span id="line-41"></span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hbase.thirdparty.com.google.common.base.Function;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hbase.thirdparty.com.google.common.collect.Multimaps;</span> |
| <span class="source-line-no">045</span><span id="line-45"></span> |
| <span class="source-line-no">046</span><span id="line-46">@Category({ VerySlowMapReduceTests.class, LargeTests.class })</span> |
| <span class="source-line-no">047</span><span id="line-47">public class TestMultiTableSnapshotInputFormat extends MultiTableInputFormatTestBase {</span> |
| <span class="source-line-no">048</span><span id="line-48"></span> |
| <span class="source-line-no">049</span><span id="line-49"> @ClassRule</span> |
| <span class="source-line-no">050</span><span id="line-50"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">051</span><span id="line-51"> HBaseClassTestRule.forClass(TestMultiTableSnapshotInputFormat.class);</span> |
| <span class="source-line-no">052</span><span id="line-52"></span> |
| <span class="source-line-no">053</span><span id="line-53"> protected Path restoreDir;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> @BeforeClass</span> |
| <span class="source-line-no">056</span><span id="line-56"> public static void setUpSnapshots() throws Exception {</span> |
| <span class="source-line-no">057</span><span id="line-57"> Log4jUtils.enableDebug(MultiTableSnapshotInputFormat.class);</span> |
| <span class="source-line-no">058</span><span id="line-58"> Log4jUtils.enableDebug(MultiTableSnapshotInputFormatImpl.class);</span> |
| <span class="source-line-no">059</span><span id="line-59"></span> |
| <span class="source-line-no">060</span><span id="line-60"> // take a snapshot of every table we have.</span> |
| <span class="source-line-no">061</span><span id="line-61"> for (String tableName : TABLES) {</span> |
| <span class="source-line-no">062</span><span id="line-62"> SnapshotTestingUtils.createSnapshotAndValidate(TEST_UTIL.getAdmin(),</span> |
| <span class="source-line-no">063</span><span id="line-63"> TableName.valueOf(tableName), ImmutableList.of(INPUT_FAMILY), null,</span> |
| <span class="source-line-no">064</span><span id="line-64"> snapshotNameForTable(tableName), CommonFSUtils.getRootDir(TEST_UTIL.getConfiguration()),</span> |
| <span class="source-line-no">065</span><span id="line-65"> TEST_UTIL.getTestFileSystem(), true);</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"> @Before</span> |
| <span class="source-line-no">070</span><span id="line-70"> public void setUp() throws Exception {</span> |
| <span class="source-line-no">071</span><span id="line-71"> this.restoreDir = TEST_UTIL.getRandomDir();</span> |
| <span class="source-line-no">072</span><span id="line-72"> }</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> @Override</span> |
| <span class="source-line-no">075</span><span id="line-75"> protected void initJob(List<Scan> scans, Job job) throws IOException {</span> |
| <span class="source-line-no">076</span><span id="line-76"> TableMapReduceUtil.initMultiTableSnapshotMapperJob(getSnapshotScanMapping(scans),</span> |
| <span class="source-line-no">077</span><span id="line-77"> ScanMapper.class, ImmutableBytesWritable.class, ImmutableBytesWritable.class, job, true,</span> |
| <span class="source-line-no">078</span><span id="line-78"> restoreDir);</span> |
| <span class="source-line-no">079</span><span id="line-79"> }</span> |
| <span class="source-line-no">080</span><span id="line-80"></span> |
| <span class="source-line-no">081</span><span id="line-81"> protected Map<String, Collection<Scan>> getSnapshotScanMapping(final List<Scan> scans) {</span> |
| <span class="source-line-no">082</span><span id="line-82"> return Multimaps.index(scans, new Function<Scan, String>() {</span> |
| <span class="source-line-no">083</span><span id="line-83"> @Nullable</span> |
| <span class="source-line-no">084</span><span id="line-84"> @Override</span> |
| <span class="source-line-no">085</span><span id="line-85"> public String apply(Scan input) {</span> |
| <span class="source-line-no">086</span><span id="line-86"> return snapshotNameForTable(</span> |
| <span class="source-line-no">087</span><span id="line-87"> Bytes.toStringBinary(input.getAttribute(Scan.SCAN_ATTRIBUTES_TABLE_NAME)));</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"> }).asMap();</span> |
| <span class="source-line-no">090</span><span id="line-90"> }</span> |
| <span class="source-line-no">091</span><span id="line-91"></span> |
| <span class="source-line-no">092</span><span id="line-92"> public static String snapshotNameForTable(String tableName) {</span> |
| <span class="source-line-no">093</span><span id="line-93"> return tableName + "_snapshot";</span> |
| <span class="source-line-no">094</span><span id="line-94"> }</span> |
| <span class="source-line-no">095</span><span id="line-95"></span> |
| <span class="source-line-no">096</span><span id="line-96">}</span> |
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| </pre> |
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