public void read(
final long position,
final long size,
final ByteBuffer directByteBuffer,
final AIOCallback aioPackage)
throws HornetQException {
checkOpened();
if (poller == null) {
startPoller();
}
pendingWrites.countUp();
maxIOSemaphore.acquireUninterruptibly();
try {
read(handler, position, size, directByteBuffer, aioPackage);
} catch (HornetQException e) {
// Release only if an exception happened
maxIOSemaphore.release();
pendingWrites.countDown();
throw e;
} catch (RuntimeException e) {
// Release only if an exception happened
maxIOSemaphore.release();
pendingWrites.countDown();
throw e;
}
}
public void close() throws Exception {
checkOpened();
writeLock.lock();
try {
while (!pendingWrites.await(60000)) {
HornetQJournalLogger.LOGGER.couldNotGetLock(fileName);
}
while (!maxIOSemaphore.tryAcquire(maxIO, 60, TimeUnit.SECONDS)) {
HornetQJournalLogger.LOGGER.couldNotGetLock(fileName);
}
maxIOSemaphore = null;
if (poller != null) {
stopPoller();
}
if (handler != null) {
AsynchronousFileImpl.closeInternal(handler);
AsynchronousFileImpl.addMax(-maxIO);
}
opened = false;
handler = null;
} finally {
writeLock.unlock();
}
}
public void write(
final long position,
final long size,
final ByteBuffer directByteBuffer,
final AIOCallback aioCallback) {
if (aioCallback == null) {
throw new NullPointerException("Null Callback");
}
checkOpened();
if (poller == null) {
startPoller();
}
pendingWrites.countUp();
if (writeExecutor != null) {
maxIOSemaphore.acquireUninterruptibly();
writeExecutor.execute(
new Runnable() {
public void run() {
long sequence = nextWritingSequence.getAndIncrement();
try {
write(handler, sequence, position, size, directByteBuffer, aioCallback);
} catch (HornetQException e) {
callbackError(
aioCallback, sequence, directByteBuffer, e.getType().getCode(), e.getMessage());
} catch (RuntimeException e) {
callbackError(
aioCallback,
sequence,
directByteBuffer,
HornetQExceptionType.INTERNAL_ERROR.getCode(),
e.getMessage());
}
}
});
} else {
maxIOSemaphore.acquireUninterruptibly();
long sequence = nextWritingSequence.getAndIncrement();
try {
write(handler, sequence, position, size, directByteBuffer, aioCallback);
} catch (HornetQException e) {
callbackError(
aioCallback, sequence, directByteBuffer, e.getType().getCode(), e.getMessage());
} catch (RuntimeException e) {
callbackError(
aioCallback,
sequence,
directByteBuffer,
HornetQExceptionType.INTERNAL_ERROR.getCode(),
e.getMessage());
}
}
}
public void fill(final long position, final int blocks, final long size, final byte fillChar)
throws HornetQException {
checkOpened();
AsynchronousFileImpl.fill(handler, position, blocks, size, fillChar);
}
public long size() throws HornetQException {
checkOpened();
return size0(handler);
}
