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/**
*
* 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();
}
}