@Override
protected void configure() throws JournalException {
writeLock = LockManager.lockExclusive(getLocation());
if (writeLock == null || !writeLock.isValid()) {
close();
throw new JournalException("Journal is already open for APPEND at %s", getLocation());
}
if (txLog.isEmpty()) {
commit(Tx.TX_NORMAL, 0L, 0L);
}
txLog.head(tx);
File meta = new File(getLocation(), JournalConfiguration.FILE_NAME);
if (!meta.exists()) {
try (UnstructuredFile hb = new UnstructuredFile(meta, 12, JournalMode.APPEND)) {
getMetadata().write(hb);
}
}
super.configure();
beginTx();
rollback();
rollbackPartitionDirs();
if (tx.journalMaxRowID > 0
&& getPartitionCount() <= Rows.toPartitionIndex(tx.journalMaxRowID)) {
beginTx();
commit();
}
if (getMetadata().getLag() != -1) {
this.partitionCleaner = new PartitionCleaner(this, getLocation().getName());
this.partitionCleaner.start();
}
}
@Override
public final void close() {
if (open) {
if (partitionCleaner != null) {
partitionCleaner.halt();
partitionCleaner = null;
}
try {
if (isCommitOnClose()) {
commit();
purgeUnusedTempPartitions(txLog);
}
super.close();
if (writeLock != null) {
LockManager.release(writeLock);
writeLock = null;
}
if (discardTxtRaf != null) {
try {
discardSink.close();
discardTxtRaf.close();
} catch (IOException e) {
LOGGER.warn("Failed to close discard file");
}
}
} catch (JournalException e) {
throw new JournalRuntimeException(e);
}
}
}
public void append(Journal<T> journal) throws JournalException {
try (ConcurrentIterator<T> iterator = journal.concurrentIterator()) {
for (T obj : iterator) {
append(obj);
}
}
}
@Override
void closePartitions() {
super.closePartitions();
appendPartition = null;
appendTimestampHi = -1;
}