//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public boolean next() throws java.io.IOException
public override bool Next()
{
// Clear the previous deserialized transaction so that it won't have to be kept in heap while deserializing
// the next one. Could be problematic if both are really big.
_current = null;
while (true)
{
if (!_logEntryCursor.next())
{
return(false);
}
LogEntry entry = _logEntryCursor.get();
if (entry is CheckPoint)
{
// this is a good position anyhow
_channel.getCurrentPosition(_lastGoodPositionMarker);
continue;
}
Debug.Assert(entry is LogEntryStart, "Expected Start entry, read " + entry + " instead");
LogEntryStart startEntry = entry.As();
LogEntryCommit commitEntry;
IList <StorageCommand> entries = new List <StorageCommand>();
while (true)
{
if (!_logEntryCursor.next())
{
return(false);
}
entry = _logEntryCursor.get();
if (entry is LogEntryCommit)
{
commitEntry = entry.As();
break;
}
LogEntryCommand command = entry.As();
entries.Add(command.Command);
}
PhysicalTransactionRepresentation transaction = new PhysicalTransactionRepresentation(entries);
transaction.SetHeader(startEntry.AdditionalHeader, startEntry.MasterId, startEntry.LocalId, startEntry.TimeWritten, startEntry.LastCommittedTxWhenTransactionStarted, commitEntry.TimeWritten, -1);
_current = new CommittedTransactionRepresentation(startEntry, transaction, commitEntry);
_channel.getCurrentPosition(_lastGoodPositionMarker);
return(true);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public java.util.List<org.neo4j.kernel.impl.transaction.log.entry.CheckPoint> find(long version) throws java.io.IOException
public virtual IList <CheckPoint> Find(long version)
{
IList <CheckPoint> checkPoints = new List <CheckPoint>();
for ( ; version >= INITIAL_LOG_VERSION && LogFiles.versionExists(version); version--)
{
LogVersionedStoreChannel channel = LogFiles.openForVersion(version);
ReadableClosablePositionAwareChannel recoveredDataChannel = new ReadAheadLogChannel(channel);
using (LogEntryCursor cursor = new LogEntryCursor(LogEntryReader, recoveredDataChannel))
{
while (cursor.Next())
{
LogEntry entry = cursor.Get();
if (entry is CheckPoint)
{
checkPoints.Add(entry.As());
}
}
}
}
return(checkPoints);
}