| /* |
| * 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.fluo.integration.impl; |
| |
| import org.apache.fluo.api.client.Snapshot; |
| import org.apache.fluo.api.data.Bytes; |
| import org.apache.fluo.api.data.Column; |
| import org.apache.fluo.api.observer.ObserverProvider; |
| import org.apache.fluo.core.impl.Environment; |
| import org.apache.fluo.core.impl.TransactionImpl.CommitData; |
| import org.apache.fluo.core.impl.TransactorNode; |
| import org.apache.fluo.integration.ITBaseMini; |
| import org.apache.fluo.integration.TestTransaction; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import static org.apache.fluo.api.observer.Observer.NotificationType.STRONG; |
| |
| public class StrongNotificationIT extends ITBaseMini { |
| |
| private static final Column OC = new Column("f", "q"); |
| private static final Column RC = new Column("f", "r"); |
| |
| public static class StrongNtfyObserverProvider implements ObserverProvider { |
| @Override |
| public void provide(Registry or, Context ctx) { |
| or.register(OC, STRONG, (tx, row, col) -> { |
| Bytes v = tx.get(row, col); |
| tx.set(v, RC, row); |
| }); |
| } |
| } |
| |
| @Override |
| protected Class<? extends ObserverProvider> getObserverProviderClass() { |
| return StrongNtfyObserverProvider.class; |
| } |
| |
| @Test |
| public void testRollforward() throws Exception { |
| // test for bug #642 |
| try (Environment env = new Environment(config); TransactorNode tnode = new TransactorNode(env)) { |
| TestTransaction tx = new TestTransaction(env, tnode); |
| |
| // set three columns that should each trigger observers |
| tx.set("abc", OC, "xyz"); |
| tx.set("def", OC, "uvw"); |
| tx.set("123", OC, "890"); |
| |
| // partially commit transaction |
| CommitData cd = tx.createCommitData(); |
| Assert.assertTrue(tx.preCommit(cd)); |
| Assert.assertTrue(tx.commitPrimaryColumn(cd, env.getSharedResources().getOracleClient() |
| .getStamp())); |
| tx.close(); |
| } |
| |
| miniFluo.waitForObservers(); |
| |
| try (Snapshot snap = client.newSnapshot()) { |
| Assert.assertEquals("abc", snap.gets("xyz", RC)); |
| Assert.assertEquals("def", snap.gets("uvw", RC)); |
| Assert.assertEquals("123", snap.gets("890", RC)); |
| |
| Assert.assertEquals("xyz", snap.gets("abc", OC)); |
| Assert.assertEquals("uvw", snap.gets("def", OC)); |
| Assert.assertEquals("890", snap.gets("123", OC)); |
| } |
| } |
| } |