//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public synchronized void close() throws java.io.IOException
public override void Close()
{
lock (this)
{
if (_asPartOfStoreCopy)
{
/* A checkpoint which points to the beginning of all the log files, meaning that
* all the streamed transactions will be applied as part of recovery. */
long logVersion = _logFiles.LowestLogVersion;
LogPosition checkPointPosition = new LogPosition(logVersion, LOG_HEADER_SIZE);
_log.info("Writing checkpoint as part of store copy: " + checkPointPosition);
_writer.checkPoint(checkPointPosition);
// * comment copied from old StoreCopyClient *
// since we just create new log and put checkpoint into it with offset equals to
// LOG_HEADER_SIZE we need to update last transaction offset to be equal to this newly defined max
// offset otherwise next checkpoint that use last transaction offset will be created for non
// existing offset that is in most of the cases bigger than new log size.
// Recovery will treat that as last checkpoint and will not try to recover store till new
// last closed transaction offset will not overcome old one. Till that happens it will be
// impossible for recovery process to restore the store
File neoStore = _databaseLayout.metadataStore();
MetaDataStore.setRecord(_pageCache, neoStore, LAST_CLOSED_TRANSACTION_LOG_BYTE_OFFSET, checkPointPosition.ByteOffset);
}
_lifespan.close();
if (_lastTxId != -1)
{
File neoStoreFile = _databaseLayout.metadataStore();
MetaDataStore.setRecord(_pageCache, neoStoreFile, LAST_TRANSACTION_ID, _lastTxId);
}
_stores.close();
}
}
