| /** |
| * |
| * 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.bookkeeper.client; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Enumeration; |
| |
| import org.apache.bookkeeper.bookie.InterleavedLedgerStorage; |
| import org.apache.bookkeeper.bookie.LedgerStorage; |
| import org.apache.bookkeeper.bookie.SortedLedgerStorage; |
| import org.apache.bookkeeper.bookie.storage.ldb.DbLedgerStorage; |
| import org.apache.bookkeeper.client.BookKeeper.DigestType; |
| import org.apache.bookkeeper.test.BookKeeperClusterTestCase; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Test a piggyback LAC. |
| */ |
| @RunWith(Parameterized.class) |
| public class TestPiggybackLAC extends BookKeeperClusterTestCase { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestPiggybackLAC.class); |
| |
| final DigestType digestType; |
| |
| public TestPiggybackLAC(Class<? extends LedgerStorage> storageClass) { |
| super(1); |
| this.digestType = DigestType.CRC32; |
| baseConf.setLedgerStorageClass(storageClass.getName()); |
| } |
| |
| @Parameters |
| public static Collection<Object[]> configs() { |
| return Arrays.asList(new Object[][] { |
| { InterleavedLedgerStorage.class }, |
| { SortedLedgerStorage.class }, |
| { DbLedgerStorage.class }, |
| }); |
| } |
| |
| @Test |
| public void testPiggybackLAC() throws Exception { |
| int numEntries = 10; |
| LedgerHandle lh = bkc.createLedger(1, 1, 1, digestType, "".getBytes()); |
| // tried to add entries |
| for (int i = 0; i < numEntries; i++) { |
| lh.addEntry(("data" + i).getBytes()); |
| LOG.info("Added entry {}.", i); |
| } |
| LedgerHandle readLh = bkc.openLedgerNoRecovery(lh.getId(), digestType, "".getBytes()); |
| long lastLAC = readLh.getLastAddConfirmed(); |
| assertEquals(numEntries - 2, lastLAC); |
| // write add entries |
| for (int i = 0; i < numEntries; i++) { |
| lh.addEntry(("data" + (i + numEntries)).getBytes()); |
| LOG.info("Added entry {}.", (i + numEntries)); |
| } |
| int numReads = 0; |
| int i = 0; |
| while (true) { |
| if (i > readLh.getLastAddConfirmed()) { |
| break; |
| } |
| Enumeration<LedgerEntry> data = readLh.readEntries(i, i); |
| while (data.hasMoreElements()) { |
| LedgerEntry entry = data.nextElement(); |
| assertEquals("data" + i, new String(entry.getEntry())); |
| ++numReads; |
| } |
| i++; |
| } |
| assertEquals(2 * numEntries - 1, numReads); |
| assertEquals(2 * numEntries - 2, readLh.getLastAddConfirmed()); |
| readLh.close(); |
| lh.close(); |
| } |
| } |