public void removeMessage(ConnectionContext context, final MessageAck ack) throws IOException {
final boolean debug = LOG.isDebugEnabled();
JournalQueueAck remove = new JournalQueueAck();
remove.setDestination(destination);
remove.setMessageAck(ack);
final RecordLocation location =
peristenceAdapter.writeCommand(remove, ack.isResponseRequired());
if (!context.isInTransaction()) {
if (debug) {
LOG.debug("Journalled message remove for: " + ack.getLastMessageId() + ", at: " + location);
}
removeMessage(ack, location);
} else {
if (debug) {
LOG.debug(
"Journalled transacted message remove for: "
+ ack.getLastMessageId()
+ ", at: "
+ location);
}
synchronized (this) {
inFlightTxLocations.add(location);
}
transactionStore.removeMessage(this, ack, location);
context
.getTransaction()
.addSynchronization(
new Synchronization() {
public void afterCommit() throws Exception {
if (debug) {
LOG.debug(
"Transacted message remove commit for: "
+ ack.getLastMessageId()
+ ", at: "
+ location);
}
synchronized (JournalMessageStore.this) {
inFlightTxLocations.remove(location);
removeMessage(ack, location);
}
}
public void afterRollback() throws Exception {
if (debug) {
LOG.debug(
"Transacted message remove rollback for: "
+ ack.getLastMessageId()
+ ", at: "
+ location);
}
synchronized (JournalMessageStore.this) {
inFlightTxLocations.remove(location);
}
}
});
}
}
/**
* Not synchronized since the Journal has better throughput if you increase the number of
* concurrent writes that it is doing.
*/
public void addMessage(final ConnectionContext context, final Message message)
throws IOException {
final MessageId id = message.getMessageId();
final boolean debug = LOG.isDebugEnabled();
message.incrementReferenceCount();
final RecordLocation location =
peristenceAdapter.writeCommand(message, message.isResponseRequired());
if (!context.isInTransaction()) {
if (debug) {
LOG.debug("Journalled message add for: " + id + ", at: " + location);
}
addMessage(context, message, location);
} else {
if (debug) {
LOG.debug("Journalled transacted message add for: " + id + ", at: " + location);
}
synchronized (this) {
inFlightTxLocations.add(location);
}
transactionStore.addMessage(this, message, location);
context
.getTransaction()
.addSynchronization(
new Synchronization() {
public void afterCommit() throws Exception {
if (debug) {
LOG.debug("Transacted message add commit for: " + id + ", at: " + location);
}
synchronized (JournalMessageStore.this) {
inFlightTxLocations.remove(location);
addMessage(context, message, location);
}
}
public void afterRollback() throws Exception {
if (debug) {
LOG.debug("Transacted message add rollback for: " + id + ", at: " + location);
}
synchronized (JournalMessageStore.this) {
inFlightTxLocations.remove(location);
}
message.decrementReferenceCount();
}
});
}
}