| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.accumulo.test.mapred; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.BatchWriterConfig; |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.accumulo.core.client.mapred.AccumuloInputFormat; |
| import org.apache.accumulo.core.client.mapred.AccumuloMultiTableInputFormat; |
| import org.apache.accumulo.core.client.mapred.RangeInputSplit; |
| import org.apache.accumulo.core.client.mapreduce.InputTableConfig; |
| import org.apache.accumulo.core.client.security.tokens.AuthenticationToken; |
| import org.apache.accumulo.core.data.Key; |
| import org.apache.accumulo.core.data.Mutation; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.harness.AccumuloClusterHarness; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.conf.Configured; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.mapred.JobClient; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.Mapper; |
| import org.apache.hadoop.mapred.OutputCollector; |
| import org.apache.hadoop.mapred.Reporter; |
| import org.apache.hadoop.mapred.lib.NullOutputFormat; |
| import org.apache.hadoop.util.Tool; |
| import org.apache.hadoop.util.ToolRunner; |
| import org.junit.Test; |
| |
| public class AccumuloMultiTableInputFormatIT extends AccumuloClusterHarness { |
| |
| private static AssertionError e1 = null; |
| private static AssertionError e2 = null; |
| |
| private static class MRTester extends Configured implements Tool { |
| private static class TestMapper implements Mapper<Key,Value,Key,Value> { |
| Key key = null; |
| int count = 0; |
| |
| @Override |
| public void map(Key k, Value v, OutputCollector<Key,Value> output, Reporter reporter) |
| throws IOException { |
| try { |
| String tableName = ((RangeInputSplit) reporter.getInputSplit()).getTableName(); |
| if (key != null) |
| assertEquals(key.getRow().toString(), new String(v.get())); |
| assertEquals(new Text(String.format("%s_%09x", tableName, count + 1)), k.getRow()); |
| assertEquals(String.format("%s_%09x", tableName, count), new String(v.get())); |
| } catch (AssertionError e) { |
| e1 = e; |
| } |
| key = new Key(k); |
| count++; |
| } |
| |
| @Override |
| public void configure(JobConf job) {} |
| |
| @Override |
| public void close() throws IOException { |
| try { |
| assertEquals(100, count); |
| } catch (AssertionError e) { |
| e2 = e; |
| } |
| } |
| |
| } |
| |
| @Override |
| public int run(String[] args) throws Exception { |
| |
| if (args.length != 2) { |
| throw new IllegalArgumentException( |
| "Usage : " + MRTester.class.getName() + " <table1> <table2>"); |
| } |
| |
| String user = getAdminPrincipal(); |
| AuthenticationToken pass = getAdminToken(); |
| String table1 = args[0]; |
| String table2 = args[1]; |
| |
| JobConf job = new JobConf(getConf()); |
| job.setJarByClass(this.getClass()); |
| |
| job.setInputFormat(AccumuloInputFormat.class); |
| |
| AccumuloMultiTableInputFormat.setConnectorInfo(job, user, pass); |
| AccumuloMultiTableInputFormat.setZooKeeperInstance(job, getCluster().getClientConfig()); |
| |
| InputTableConfig tableConfig1 = new InputTableConfig(); |
| InputTableConfig tableConfig2 = new InputTableConfig(); |
| |
| Map<String,InputTableConfig> configMap = new HashMap<>(); |
| configMap.put(table1, tableConfig1); |
| configMap.put(table2, tableConfig2); |
| |
| AccumuloMultiTableInputFormat.setInputTableConfigs(job, configMap); |
| |
| job.setMapperClass(TestMapper.class); |
| job.setMapOutputKeyClass(Key.class); |
| job.setMapOutputValueClass(Value.class); |
| job.setOutputFormat(NullOutputFormat.class); |
| |
| job.setNumReduceTasks(0); |
| |
| return JobClient.runJob(job).isSuccessful() ? 0 : 1; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| Configuration conf = new Configuration(); |
| conf.set("mapreduce.framework.name", "local"); |
| conf.set("mapreduce.cluster.local.dir", |
| new File(System.getProperty("user.dir"), "target/mapreduce-tmp").getAbsolutePath()); |
| assertEquals(0, ToolRunner.run(conf, new MRTester(), args)); |
| } |
| } |
| |
| @Test |
| public void testMap() throws Exception { |
| String[] tableNames = getUniqueNames(2); |
| String table1 = tableNames[0]; |
| String table2 = tableNames[1]; |
| Connector c = getConnector(); |
| c.tableOperations().create(table1); |
| c.tableOperations().create(table2); |
| BatchWriter bw = c.createBatchWriter(table1, new BatchWriterConfig()); |
| BatchWriter bw2 = c.createBatchWriter(table2, new BatchWriterConfig()); |
| for (int i = 0; i < 100; i++) { |
| Mutation t1m = new Mutation(new Text(String.format("%s_%09x", table1, i + 1))); |
| t1m.put(new Text(), new Text(), new Value(String.format("%s_%09x", table1, i).getBytes())); |
| bw.addMutation(t1m); |
| Mutation t2m = new Mutation(new Text(String.format("%s_%09x", table2, i + 1))); |
| t2m.put(new Text(), new Text(), new Value(String.format("%s_%09x", table2, i).getBytes())); |
| bw2.addMutation(t2m); |
| } |
| bw.close(); |
| bw2.close(); |
| |
| MRTester.main(new String[] {table1, table2}); |
| assertNull(e1); |
| assertNull(e2); |
| } |
| |
| } |