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resolve https://issues.apache.org/activemq/browse/AMQ-2980 for kahaDB 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1022890 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary Tully 2010-10-15 12:29:39 +00:00
parent 87eba29520
commit 9705671546
4 changed files with 83 additions and 15 deletions
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23
activemq-core/src/main/java/org/apache/activemq/store/kahadb/KahaDBStore.java
View File

@ -717,7 +717,7 @@ public class KahaDBStore extends MessageDatabase implements PersistenceAdapter {
public int getMessageCount(String clientId, String subscriptionName) throws IOException {
final String subscriptionKey = subscriptionKey(clientId, subscriptionName);
final SubscriptionInfo info = lookupSubscription(clientId, subscriptionName);
indexLock.readLock().lock();
indexLock.writeLock().lock();
try {
return pageFile.tx().execute(new Transaction.CallableClosure<Integer, IOException>() {
public Integer execute(Transaction tx) throws IOException {
@ -727,8 +727,8 @@ public class KahaDBStore extends MessageDatabase implements PersistenceAdapter {
// The subscription might not exist.
return 0;
}
MessageOrderCursor moc = new MessageOrderCursor(cursorPos + 1);
sd.orderIndex.resetCursorPosition();
sd.orderIndex.setBatch(tx, cursorPos);
int counter = 0;
try {
String selector = info.getSelector();
@ -736,7 +736,7 @@ public class KahaDBStore extends MessageDatabase implements PersistenceAdapter {
if (selector != null) {
selectorExpression = SelectorParser.parse(selector);
}
for (Iterator<Entry<Long, MessageKeys>> iterator = sd.orderIndex.iterator(tx, moc); iterator
for (Iterator<Entry<Long, MessageKeys>> iterator = sd.orderIndex.iterator(tx); iterator
.hasNext();) {
Entry<Long, MessageKeys> entry = iterator.next();
if (selectorExpression != null) {
@ -757,7 +757,7 @@ public class KahaDBStore extends MessageDatabase implements PersistenceAdapter {
}
});
}finally {
indexLock.readLock().unlock();
indexLock.writeLock().unlock();
}
}
@ -786,15 +786,19 @@ public class KahaDBStore extends MessageDatabase implements PersistenceAdapter {
public void recoverNextMessages(String clientId, String subscriptionName, final int maxReturned,
final MessageRecoveryListener listener) throws Exception {
final String subscriptionKey = subscriptionKey(clientId, subscriptionName);
indexLock.readLock().lock();
indexLock.writeLock().lock();
try {
pageFile.tx().execute(new Transaction.Closure<Exception>() {
public void execute(Transaction tx) throws Exception {
StoredDestination sd = getStoredDestination(dest, tx);
sd.orderIndex.resetCursorPosition();
MessageOrderCursor moc = sd.subscriptionCursors.get(subscriptionKey);
if (moc == null) {
long pos = sd.subscriptionAcks.get(tx, subscriptionKey);
moc = new MessageOrderCursor(pos+1);
sd.orderIndex.setBatch(tx, pos);
moc = sd.orderIndex.cursor;
} else {
sd.orderIndex.cursor.sync(moc);
}
Entry<Long, MessageKeys> entry = null;
@ -813,11 +817,14 @@ public class KahaDBStore extends MessageDatabase implements PersistenceAdapter {
if (entry != null) {
MessageOrderCursor copy = sd.orderIndex.cursor.copy();
sd.subscriptionCursors.put(subscriptionKey, copy);
if (LOG.isDebugEnabled()) {
LOG.debug("updated moc: " + copy + ", recovered: " + counter);
}
}
}
});
}finally {
indexLock.readLock().unlock();
indexLock.writeLock().unlock();
}
}

19
activemq-core/src/main/java/org/apache/activemq/store/kahadb/MessageDatabase.java
View File

@ -1875,6 +1875,18 @@ public class MessageDatabase extends ServiceSupport implements BrokerServiceAwar
lowPriorityCursorPosition++;
}
}
public String toString() {
return "MessageOrderCursor:[def:" + defaultCursorPosition
+ ", low:" + lowPriorityCursorPosition
+ ", high:" + highPriorityCursorPosition + "]";
}
public void sync(MessageOrderCursor other) {
this.defaultCursorPosition=other.defaultCursorPosition;
this.lowPriorityCursorPosition=other.lowPriorityCursorPosition;
this.highPriorityCursorPosition=other.highPriorityCursorPosition;
}
}
class MessageOrderIndex{
@ -2010,11 +2022,11 @@ public class MessageDatabase extends ServiceSupport implements BrokerServiceAwar
void getDeleteList(Transaction tx, ArrayList<Entry<Long, MessageKeys>> deletes, Long sequenceId)
throws IOException {
if (defaultPriorityIndex.containsKey(tx, sequenceId)) {
getDeleteList(tx, deletes, defaultPriorityIndex, sequenceId);
if (highPriorityIndex != null) {
} else if (highPriorityIndex != null && highPriorityIndex.containsKey(tx, sequenceId)) {
getDeleteList(tx, deletes, highPriorityIndex, sequenceId);
}
if (lowPriorityIndex != null) {
} else if (lowPriorityIndex != null && lowPriorityIndex.containsKey(tx, sequenceId)) {
getDeleteList(tx, deletes, lowPriorityIndex, sequenceId);
}
}
@ -2073,7 +2085,6 @@ public class MessageDatabase extends ServiceSupport implements BrokerServiceAwar
final Iterator<Entry<Long, MessageKeys>>highIterator;
final Iterator<Entry<Long, MessageKeys>>defaultIterator;
final Iterator<Entry<Long, MessageKeys>>lowIterator;
Long lastKey;

47
activemq-core/src/test/java/org/apache/activemq/store/MessagePriorityTest.java
View File

@ -27,6 +27,7 @@ import javax.jms.Topic;
import javax.jms.TopicSubscriber;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQPrefetchPolicy;
import org.apache.activemq.CombinationTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.policy.PolicyEntry;
@ -49,6 +50,7 @@ abstract public class MessagePriorityTest extends CombinationTestSupport {
Session sess;
public boolean useCache;
public int prefetchVal = 500;
int MSG_NUM = 1000;
int HIGH_PRI = 7;
@ -59,6 +61,7 @@ abstract public class MessagePriorityTest extends CombinationTestSupport {
protected void setUp() throws Exception {
broker = new BrokerService();
broker.setBrokerName("priorityTest");
broker.setAdvisorySupport(false);
adapter = createPersistenceAdapter(true);
broker.setPersistenceAdapter(adapter);
PolicyEntry policy = new PolicyEntry();
@ -71,6 +74,10 @@ abstract public class MessagePriorityTest extends CombinationTestSupport {
broker.waitUntilStarted();
factory = new ActiveMQConnectionFactory("vm://priorityTest");
ActiveMQPrefetchPolicy prefetch = new ActiveMQPrefetchPolicy();
prefetch.setAll(prefetchVal);
factory.setPrefetchPolicy(prefetch);
factory.setWatchTopicAdvisories(false);
conn = factory.createConnection();
conn.setClientID("priority");
conn.start();
@ -160,6 +167,10 @@ abstract public class MessagePriorityTest extends CombinationTestSupport {
return msg;
}
public void initCombosForTestDurableSubs() {
addCombinationValues("prefetchVal", new Object[] {new Integer(1000), new Integer(MSG_NUM/4)});
}
public void testDurableSubs() throws Exception {
ActiveMQTopic topic = (ActiveMQTopic)sess.createTopic("TEST");
TopicSubscriber sub = sess.createDurableSubscriber(topic, "priority");
@ -176,11 +187,45 @@ abstract public class MessagePriorityTest extends CombinationTestSupport {
sub = sess.createDurableSubscriber(topic, "priority");
for (int i = 0; i < MSG_NUM * 2; i++) {
Message msg = sub.receive(1000);
Message msg = sub.receive(5000);
assertNotNull("Message " + i + " was null", msg);
assertEquals("Message " + i + " has wrong priority", i < MSG_NUM ? HIGH_PRI : LOW_PRI, msg.getJMSPriority());
}
}
public void initCombosForTestDurableSubsReconnect() {
addCombinationValues("prefetchVal", new Object[] {new Integer(1000), new Integer(MSG_NUM/2)});
}
public void testDurableSubsReconnect() throws Exception {
ActiveMQTopic topic = (ActiveMQTopic)sess.createTopic("TEST");
final String subName = "priorityDisconnect";
TopicSubscriber sub = sess.createDurableSubscriber(topic, subName);
sub.close();
ProducerThread lowPri = new ProducerThread(topic, MSG_NUM, LOW_PRI);
ProducerThread highPri = new ProducerThread(topic, MSG_NUM, HIGH_PRI);
lowPri.start();
highPri.start();
lowPri.join();
highPri.join();
final int closeFrequency = MSG_NUM/4;
sub = sess.createDurableSubscriber(topic, subName);
for (int i = 0; i < MSG_NUM * 2; i++) {
Message msg = sub.receive(5000);
assertNotNull("Message " + i + " was null", msg);
assertEquals("Message " + i + " has wrong priority", i < MSG_NUM ? HIGH_PRI : LOW_PRI, msg.getJMSPriority());
if (i>0 && i%closeFrequency==0) {
LOG.info("Closing durable sub.. on: " + i);
sub.close();
sub = sess.createDurableSubscriber(topic, subName);
}
}
}
}

5
activemq-core/src/test/java/org/apache/activemq/store/jdbc/JDBCMessagePriorityTest.java
View File

@ -40,4 +40,9 @@ public class JDBCMessagePriorityTest extends MessagePriorityTest {
return suite(JDBCMessagePriorityTest.class);
}
// pending fix...
@Override
public void testDurableSubsReconnect() throws Exception {
// TODO: fix jdbc durable sub recovery
}
}