org.apache.activemq.artemis.utils.IDGenerator java code examples

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private void myMethod () {
 ScheduledThreadPoolExecutor s =new ScheduledThreadPoolExecutor(corePoolSize)
ThreadFactory threadFactory;new ScheduledThreadPoolExecutor(corePoolSize, threadFactory)
String str;new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().setNameFormat(str).build())
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}

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo = (SessionQueueQueryResponseMessage) getSessionChannel().sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP);
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, browseOnly, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo;
 if (sessionChannel.getConnection().isVersionBeforeAddressChange()) {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V2);
 } else {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V3);
 }
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, browseOnly, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

@Override
public void deleteBindings(PersistedType type, String name, String address) throws Exception {
 Pair<PersistedType, String> key = new Pair<>(type, name);
 long tx = idGenerator.generateID();
 PersistedBindings currentBindings = mapBindings.get(key);
 if (currentBindings == null) {
   return;
 } else {
   jmsJournal.appendDeleteRecordTransactional(tx, currentBindings.getId());
 }
 currentBindings.deleteBinding(address);
 if (currentBindings.getBindings().size() == 0) {
   mapBindings.remove(key);
 } else {
   long newId = idGenerator.generateID();
   currentBindings.setId(newId);
   jmsJournal.appendAddRecordTransactional(tx, newId, BINDING_RECORD, currentBindings);
 }
 jmsJournal.appendCommitRecord(tx, true);
}

@Override
public void storeConnectionFactory(final PersistedConnectionFactory connectionFactory) throws Exception {
 deleteConnectionFactory(connectionFactory.getName());
 long id = idGenerator.generateID();
 connectionFactory.setId(id);
 jmsJournal.appendAddRecord(id, CF_RECORD, connectionFactory, true);
 mapFactories.put(connectionFactory.getName(), connectionFactory);
}

@Override
public void addBindings(PersistedType type, String name, String... address) throws Exception {
 Pair<PersistedType, String> key = new Pair<>(type, name);
 long tx = idGenerator.generateID();
 PersistedBindings currentBindings = mapBindings.get(key);
 if (currentBindings != null) {
   jmsJournal.appendDeleteRecordTransactional(tx, currentBindings.getId());
 } else {
   currentBindings = new PersistedBindings(type, name);
 }
 mapBindings.put(key, currentBindings);
 for (String adItem : address) {
   currentBindings.addBinding(adItem);
 }
 long newId = idGenerator.generateID();
 currentBindings.setId(newId);
 jmsJournal.appendAddRecordTransactional(tx, newId, BINDING_RECORD, currentBindings);
 jmsJournal.appendCommitRecord(tx, true);
}

public Object createSender(ProtonServerSenderContext protonSender,
             SimpleString queue,
             String filter,
             boolean browserOnly) throws Exception {
 long consumerID = consumerIDGenerator.generateID();
 filter = SelectorTranslator.convertToActiveMQFilterString(filter);
 ServerConsumer consumer = serverSession.createConsumer(consumerID, queue, SimpleString.toSimpleString(filter), browserOnly, false, null);
 // AMQP handles its own flow control for when it's started
 consumer.setStarted(true);
 consumer.setProtocolContext(protonSender);
 return consumer;
}

@Override
public void storeDestination(final PersistedDestination destination) throws Exception {
 deleteDestination(destination.getType(), destination.getName());
 long id = idGenerator.generateID();
 destination.setId(id);
 jmsJournal.appendAddRecord(id, DESTINATION_RECORD, destination, true);
 destinations.put(new Pair<>(destination.getType(), destination.getName()), destination);
}

public Object createSender(ProtonServerSenderContext protonSender,
             SimpleString queue,
             String filter,
             boolean browserOnly) throws Exception {
 long consumerID = consumerIDGenerator.generateID();
 filter = SelectorTranslator.convertToActiveMQFilterString(filter);
 int priority = getPriority(protonSender.getSender().getRemoteProperties());
 ServerConsumer consumer = serverSession.createConsumer(consumerID, queue, SimpleString.toSimpleString(filter), priority, browserOnly, false, null);
 // AMQP handles its own flow control for when it's started
 consumer.setStarted(true);
 consumer.setProtocolContext(protonSender);
 return consumer;
}

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo = (SessionQueueQueryResponseMessage) getSessionChannel().sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP);
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, browseOnly, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int priority,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, priority, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo = (SessionQueueQueryResponseMessage) getSessionChannel().sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP);
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, priority, browseOnly, windowSize, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo = (SessionQueueQueryResponseMessage) getSessionChannel().sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP);
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, browseOnly, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

long nativeID = consumerIDGenerator.generateID();
consumer.init(slowConsumerDetectionListener, nativeID);
consumersList.add(consumer);

@Test
public void testCompactFirstFileWithPendingCommits7() throws Exception {
 setup(2, 60 * 1024, true);
 createJournal();
 startJournal();
 loadAndCheck();
 long tx0 = idGenerator.generateID();
 add(idGenerator.generateID());
 long[] ids = new long[]{idGenerator.generateID(), idGenerator.generateID()};
 addTx(tx0, ids[0]);
 addTx(tx0, ids[1]);
 journal.forceMoveNextFile();
 commit(tx0);
 journal.forceMoveNextFile();
 delete(ids[0]);
 delete(ids[1]);
 journal.forceMoveNextFile();
 journal.testCompact();
 stopJournal();
 createJournal();
 startJournal();
 loadAndCheck();
}

loadAndCheck();
long tx = idGenerator.generateID();
for (int i = 0; i < 10; i++) {
  addTx(tx, idGenerator.generateID());
  long id = idGenerator.generateID();
  listToDelete.add(id);
  add(id);

long tx0 = idGenerator.generateID();
for (int i = 0; i < 10; i++) {
  ids[i] = idGenerator.generateID();
  addTx(tx0, ids[i]);
long tx1 = idGenerator.generateID();
  long id = idGenerator.generateID();
  listToDelete.add(id);
  add(id);

loadAndCheck();
long tx = idGenerator.generateID();
for (int i = 0; i < 10; i++) {
  addTx(tx, idGenerator.generateID());
  long id = idGenerator.generateID();
  listToDelete.add(id);
  add(id);

long tx0 = idGenerator.generateID();
for (int i = 0; i < 10; i++) {
  ids[i] = idGenerator.generateID();
  addTx(tx0, ids[i]);
long tx1 = idGenerator.generateID();
  long id = idGenerator.generateID();
  listToDelete.add(id);
  add(id);

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo;
 if (sessionChannel.getConnection().isVersionBeforeAddressChange()) {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V2);
 } else {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V3);
 }
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, browseOnly, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo;
 if (sessionChannel.getConnection().isVersionBeforeAddressChange()) {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V2);
 } else {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V3);
 }
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, browseOnly, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

@Override
public ClientConsumerInternal createConsumer(SimpleString queueName,
                      SimpleString filterString,
                      int windowSize,
                      int maxRate,
                      int ackBatchSize,
                      boolean browseOnly,
                      Executor executor,
                      Executor flowControlExecutor) throws ActiveMQException {
 long consumerID = idGenerator.generateID();
 ActiveMQConsumerContext consumerContext = new ActiveMQConsumerContext(consumerID);
 SessionCreateConsumerMessage request = new SessionCreateConsumerMessage(consumerID, queueName, filterString, browseOnly, true);
 SessionQueueQueryResponseMessage queueInfo;
 if (sessionChannel.getConnection().isVersionBeforeAddressChange()) {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V2);
 } else {
   queueInfo = (SessionQueueQueryResponseMessage) sessionChannel.sendBlocking(request, PacketImpl.SESS_QUEUEQUERY_RESP_V3);
 }
 // The actual windows size that gets used is determined by the user since
 // could be overridden on the queue settings
 // The value we send is just a hint
 return new ClientConsumerImpl(session, consumerContext, queueName, filterString, browseOnly, calcWindowSize(windowSize), ackBatchSize, maxRate > 0 ? new TokenBucketLimiterImpl(maxRate, false) : null, executor, flowControlExecutor, this, queueInfo.toQueueQuery(), lookupTCCL());
}

Javadoc

Generator of record IDs for the journals.

Notice that while the bindings and messages journals are independent from one another they use the same IDGenerator instance.

The next recordID should be persisted in the journals during a normal shutdown. The lack of such a record indicates a server crash. During server restart, if the journals lack a next-recordID record, we use the last recorded ID plus MAX_INT.

Most used methods

generateID

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How to useIDGenerator in org.apache.activemq.artemis.utils

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IDGenerator
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org.apache.activemq.artemis.utils