private void syncAndClose(Bin bin) {
try {
bin.sync();
} finally {
bin.close();
}
}
private void writeToLockFile(int lockSignal) {
ByteArrayBuffer lockBuffer = newLockFileBuffer();
lockBuffer.writeInt(lockSignal);
lockBuffer.writeInt(lockSignal);
write(_lockFile, lockBuffer);
_lockFile.sync();
}
@Override
public void applySlotChanges(
Visitable<SlotChange> slotChangeTree, int slotChangeCount, Slot reservedSlot) {
if (slotChangeCount < 1) {
return;
}
Runnable commitHook = _container.commitHook();
flushDatabaseFile();
ensureLogAndLock();
int length = transactionLogSlotLength(slotChangeCount);
ByteArrayBuffer logBuffer = new ByteArrayBuffer(length);
logBuffer.writeInt(length);
logBuffer.writeInt(slotChangeCount);
appendSlotChanges(logBuffer, slotChangeTree);
write(_logFile, logBuffer);
_logFile.sync();
writeToLockFile(LOCK_INT);
writeSlots(slotChangeTree);
commitHook.run();
flushDatabaseFile();
writeToLockFile(0);
}
private void write(Bin storage, ByteArrayBuffer buffer) {
storage.write(0, buffer._buffer, buffer.length());
}
private void read(Bin storage, ByteArrayBuffer buffer) {
storage.read(0, buffer._buffer, buffer.length());
}