/*
*
* 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.test;
import java.io.File;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Random;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.bookkeeper.conf.ClientConfiguration;
import org.apache.bookkeeper.bookie.Bookie;
import org.apache.bookkeeper.client.BookKeeperTestClient;
import org.apache.bookkeeper.client.BKException;
import org.apache.bookkeeper.client.BookKeeper;
import org.apache.bookkeeper.client.LedgerHandle;
import org.apache.bookkeeper.client.BookKeeper.DigestType;
import org.apache.bookkeeper.proto.BookkeeperInternalCallbacks.WriteCallback;
import org.apache.zookeeper.KeeperException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import junit.framework.TestCase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Tests conditional set of the ledger metadata znode.
*/
public class ConditionalSetTest extends BaseTestCase {
static Logger LOG = LoggerFactory.getLogger(ConditionalSetTest.class);
byte[] entry;
DigestType digestType;
BookKeeper bkcReader;
public ConditionalSetTest(DigestType digestType) {
super(3);
this.digestType = digestType;
}
@Override
@Before
public void setUp() throws IOException, Exception {
super.setUp();
entry = new byte[10]; // initialize the entries list
this.bkcReader = new BookKeeperTestClient(baseClientConf);
}
/**
* Opens a ledger before the ledger writer, which triggers ledger recovery.
* When the ledger writer tries to close the ledger, the close operation
* should fail.
*
*
* @throws IOException
* @throws InterruptedException
* @throws BKException
* @throws KeeperException
*/
@Test
public void testConditionalSet() throws IOException, InterruptedException,
BKException, KeeperException {
LedgerHandle lhWrite = bkc.createLedger(digestType, new byte[] { 'a',
'b' });
long ledgerId = lhWrite.getId();
LOG.debug("Ledger ID: " + lhWrite.getId());
for (int i = 0; i < 10; i++) {
LOG.debug("Adding entry: " + i);
lhWrite.addEntry(entry);
}
/*
* Open a ledger for reading, which triggers recovery, since the ledger
* is still open.
*/
LOG.debug("Instantiating new bookkeeper client.");
LedgerHandle lhRead = bkcReader.openLedger(lhWrite.getId(), digestType,
new byte[] { 'a', 'b' });
LOG.debug("Opened the ledger already");
/*
* Writer tries to close the ledger, and if should fail.
*/
try{
lhWrite.close();
fail("Should have received an exception when trying to close the ledger.");
} catch (BKException e) {
/*
* Correctly failed to close the ledger
*/
}
}
}