Java tutorial
/* * Copyright 2015 Josh Elser * * Licensed 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 cereal.examples.pojo; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.io.File; import java.io.IOException; import java.util.Collections; import org.apache.accumulo.core.client.Connector; import org.apache.accumulo.minicluster.MiniAccumuloCluster; import org.apache.accumulo.minicluster.MiniAccumuloConfig; import org.apache.commons.io.FileUtils; import org.apache.hadoop.io.Text; import org.junit.AfterClass; import org.junit.BeforeClass; import org.junit.Rule; import org.junit.Test; import org.junit.rules.TestName; import cereal.Registry; import cereal.Store; import cereal.impl.RegistryImpl; import cereal.impl.StoreImpl; public class PojoPersonTest { private static MiniAccumuloCluster mac; private static final String PASSWORD = "password"; @Rule public TestName test = new TestName(); @BeforeClass public static void start() throws IOException, InterruptedException { File target = new File(System.getProperty("user.dir") + "/target"); assertTrue(target.exists()); assertTrue(target.isDirectory()); File macParent = new File(target, "minicluster"); macParent.mkdirs(); File macDir = new File(macParent, PojoPersonTest.class.getName()); if (macDir.exists()) { FileUtils.deleteQuietly(macDir); } MiniAccumuloConfig cfg = new MiniAccumuloConfig(macDir, PASSWORD); cfg.setNumTservers(1); mac = new MiniAccumuloCluster(cfg); mac.start(); } @AfterClass public static void stop() throws IOException, InterruptedException { if (null != mac) { mac.stop(); } } @Test(timeout = 30 * 1000) public void testSerialization() throws Exception { Registry registry = new RegistryImpl(); PojoPersonMapping mapping = new PojoPersonMapping(); registry.add(mapping); Person p = new Person(); p.setFirstName("Bob"); p.setMiddleName("Joe"); p.setLastName("Franklin"); p.setAge(30); p.setHeight(72); p.setWeight(220); String tableName = test.getMethodName(); Connector conn = mac.getConnector("root", PASSWORD); conn.tableOperations().create(tableName); try (Store store = new StoreImpl(registry, conn, tableName)) { store.write(Collections.singleton(p)); store.flush(); Text row = mapping.getRowId(p); Person copy = store.read(row, Person.class); assertEquals(p, copy); } } }