/** @throws Exception */
private void printJournal() throws Exception {
NIOSequentialFileFactory factory = new NIOSequentialFileFactory(getJournalDir());
JournalImpl journal =
new JournalImpl(
HornetQDefaultConfiguration.getDefaultJournalFileSize(),
2,
0,
0,
factory,
"hornetq-data",
"hq",
100);
ArrayList<RecordInfo> records = new ArrayList<RecordInfo>();
ArrayList<PreparedTransactionInfo> transactions = new ArrayList<PreparedTransactionInfo>();
journal.start();
journal.load(records, transactions, null);
// System.out.println("===============================================");
// System.out.println("Journal records at the end:");
//
// for (RecordInfo record : records)
// {
// System.out.println(record.id + ", update = " + record.isUpdate);
// }
journal.stop();
}
/**
* This will simulate what would happen with topic creationg where a single record is supposed to
* be created on the journal
*
* @throws Exception
*/
@Test
public void testDuplicateDestinationsOnTopic() throws Exception {
for (int i = 0; i < 5; i++) {
if (server.locateQueue(SimpleString.toSimpleString("jms.topic.tt")) == null) {
server.createQueue(
SimpleString.toSimpleString("jms.topic.tt"),
SimpleString.toSimpleString("jms.topic.tt"),
SimpleString.toSimpleString(HornetQServerImpl.GENERIC_IGNORED_FILTER),
true,
false);
}
server.stop();
SequentialFileFactory messagesFF = new NIOSequentialFileFactory(getBindingsDir(), null);
JournalImpl messagesJournal =
new JournalImpl(1024 * 1024, 2, 0, 0, messagesFF, "hornetq-bindings", "bindings", 1);
messagesJournal.start();
LinkedList<RecordInfo> infos = new LinkedList<RecordInfo>();
messagesJournal.load(infos, null, null);
int bindings = 0;
for (RecordInfo info : infos) {
if (info.getUserRecordType() == JournalRecordIds.QUEUE_BINDING_RECORD) {
bindings++;
}
}
assertEquals(1, bindings);
System.out.println("Bindings: " + bindings);
messagesJournal.stop();
if (i < 4) server.start();
}
}
/**
* @param journalLocation
* @return
* @throws Exception
*/
protected static PageCursorsInfo loadCursorACKs(final String journalLocation) throws Exception {
SequentialFileFactory messagesFF = new NIOSequentialFileFactory(journalLocation, null);
// Will use only default values. The load function should adapt to anything different
ConfigurationImpl defaultValues = new ConfigurationImpl();
JournalImpl messagesJournal =
new JournalImpl(
defaultValues.getJournalFileSize(),
defaultValues.getJournalMinFiles(),
0,
0,
messagesFF,
"hornetq-data",
"hq",
1);
messagesJournal.start();
ArrayList<RecordInfo> records = new ArrayList<RecordInfo>();
ArrayList<PreparedTransactionInfo> txs = new ArrayList<PreparedTransactionInfo>();
messagesJournal.load(records, txs, null, false);
PageCursorsInfo cursorInfo = new PageCursorsInfo();
for (RecordInfo record : records) {
byte[] data = record.data;
HornetQBuffer buff = HornetQBuffers.wrappedBuffer(data);
if (record.userRecordType == JournalRecordIds.ACKNOWLEDGE_CURSOR) {
CursorAckRecordEncoding encoding = new CursorAckRecordEncoding();
encoding.decode(buff);
Set<PagePosition> set = cursorInfo.getCursorRecords().get(encoding.queueID);
if (set == null) {
set = new HashSet<PagePosition>();
cursorInfo.getCursorRecords().put(encoding.queueID, set);
}
set.add(encoding.position);
} else if (record.userRecordType == JournalRecordIds.PAGE_CURSOR_COMPLETE) {
CursorAckRecordEncoding encoding = new CursorAckRecordEncoding();
encoding.decode(buff);
Long queueID = Long.valueOf(encoding.queueID);
Long pageNR = Long.valueOf(encoding.position.getPageNr());
if (!cursorInfo.getCompletePages(queueID).add(pageNR)) {
System.err.println(
"Page " + pageNR + " has been already set as complete on queue " + queueID);
}
} else if (record.userRecordType == JournalRecordIds.PAGE_TRANSACTION) {
if (record.isUpdate) {
PageUpdateTXEncoding pageUpdate = new PageUpdateTXEncoding();
pageUpdate.decode(buff);
cursorInfo.getPgTXs().add(pageUpdate.pageTX);
} else {
PageTransactionInfoImpl pageTransactionInfo = new PageTransactionInfoImpl();
pageTransactionInfo.decode(buff);
pageTransactionInfo.setRecordID(record.id);
cursorInfo.getPgTXs().add(pageTransactionInfo.getTransactionID());
}
}
}
return cursorInfo;
}
