| #set( $symbol_pound = '#' ) |
| #set( $symbol_dollar = '$' ) |
| #set( $symbol_escape = '\' ) |
| /* |
| * 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 ${package}; |
| |
| import java.util.Map.Entry; |
| |
| import org.apache.accumulo.core.Constants; |
| import org.apache.accumulo.core.client.BatchWriter; |
| import org.apache.accumulo.core.client.Connector; |
| import org.apache.accumulo.core.client.Instance; |
| import org.apache.accumulo.core.client.Scanner; |
| import org.apache.accumulo.core.client.ZooKeeperInstance; |
| 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.minicluster.MiniAccumuloCluster; |
| import org.apache.accumulo.minicluster.MiniAccumuloConfig; |
| import org.apache.log4j.Logger; |
| |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| /** |
| * An example unit test that shows how to use MiniAccumuloCluster in a unit test |
| */ |
| |
| public class ExampleAccumuloUnitTest { |
| private static final Logger log = Logger.getLogger(ExampleAccumuloUnitTest.class); |
| |
| public static TemporaryFolder folder = new TemporaryFolder(); |
| |
| private static MiniAccumuloCluster accumulo; |
| |
| @BeforeClass |
| public static void setupMiniCluster() throws Exception { |
| |
| folder.create(); |
| |
| log.debug("Using " + folder.getRoot()); |
| |
| MiniAccumuloConfig config = new MiniAccumuloConfig(folder.getRoot(), "superSecret"); |
| config.setNumTservers(1); |
| |
| |
| accumulo = new MiniAccumuloCluster(config); |
| |
| accumulo.start(); |
| |
| } |
| |
| @Test(timeout = 60000) |
| public void test() throws Exception { |
| // edit this method to play with Accumulo |
| |
| Instance instance = new ZooKeeperInstance(accumulo.getInstanceName(), accumulo.getZooKeepers()); |
| |
| Connector conn = instance.getConnector("root", "superSecret"); |
| |
| conn.tableOperations().create("foo"); |
| |
| BatchWriter bw = conn.createBatchWriter("foo", 10000000, 60000, 3); |
| Mutation m = new Mutation("1234"); |
| m.put("name", "first", "Alice"); |
| m.put("friend", "5678", ""); |
| m.put("enemy", "5555", ""); |
| m.put("enemy", "9999", ""); |
| bw.addMutation(m); |
| |
| m = new Mutation("5678"); |
| m.put("name", "first", "Bob"); |
| m.put("friend", "1234", ""); |
| m.put("enemy", "5555", ""); |
| m.put("enemy", "9999", ""); |
| bw.addMutation(m); |
| |
| m = new Mutation("9999"); |
| m.put("name", "first", "Eve"); |
| m.put("friend", "5555", ""); |
| m.put("enemy", "1234", ""); |
| m.put("enemy", "5678", ""); |
| bw.addMutation(m); |
| |
| m = new Mutation("5555"); |
| m.put("name", "first", "Mallory"); |
| m.put("friend", "9999", ""); |
| m.put("enemy", "1234", ""); |
| m.put("enemy", "5678", ""); |
| bw.addMutation(m); |
| |
| bw.close(); |
| |
| Scanner scanner = conn.createScanner("foo", Constants.NO_AUTHS); |
| for (Entry<Key,Value> entry : scanner) { |
| log.debug(entry.getKey() + " " + entry.getValue()); |
| } |
| |
| //TODO use scanner to find common enemy ids between Alice and Bob, then |
| //use BatchScanner to look up their names |
| |
| conn.tableOperations().delete("foo"); |
| } |
| |
| @AfterClass |
| public static void tearDownMiniCluster() throws Exception { |
| accumulo.stop(); |
| folder.delete(); |
| } |
| } |