//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static org.neo4j.kernel.impl.transaction.log.files.LogFiles readLogFiles(org.neo4j.io.layout.DatabaseLayout databaseLayout) throws java.io.IOException
internal static LogFiles ReadLogFiles(DatabaseLayout databaseLayout)
{
FileSystemAbstraction fileSystemAbstraction = new DefaultFileSystemAbstraction();
PageCache pageCache = ConfigurableStandalonePageCacheFactory.createPageCache(fileSystemAbstraction, new ThreadPoolJobScheduler());
return(LogFilesBuilder.activeFilesBuilder(databaseLayout, fileSystemAbstraction, pageCache).build());
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public ReadOnlyTransactionStore(org.neo4j.io.pagecache.PageCache pageCache, org.neo4j.io.fs.FileSystemAbstraction fs, org.neo4j.io.layout.DatabaseLayout fromDatabaseLayout, org.neo4j.kernel.configuration.Config config, org.neo4j.kernel.monitoring.Monitors monitors) throws java.io.IOException
public ReadOnlyTransactionStore(PageCache pageCache, FileSystemAbstraction fs, DatabaseLayout fromDatabaseLayout, Config config, Monitors monitors)
{
TransactionMetadataCache transactionMetadataCache = new TransactionMetadataCache();
LogEntryReader <ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>();
LogFiles logFiles = LogFilesBuilder.activeFilesBuilder(fromDatabaseLayout, fs, pageCache).withLogEntryReader(logEntryReader).withConfig(config).build();
_physicalStore = new PhysicalLogicalTransactionStore(logFiles, transactionMetadataCache, logEntryReader, monitors, true);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void writePartialTx(java.io.File storeDir) throws java.io.IOException
private void WritePartialTx(File storeDir)
{
using (PageCache pageCache = this.PageCache.getPageCache(_fs))
{
LogFiles logFiles = LogFilesBuilder.activeFilesBuilder(DatabaseLayout.of(storeDir), _fs, pageCache).build();
using (Lifespan ignored = new Lifespan(logFiles))
{
LogEntryWriter writer = new LogEntryWriter(logFiles.LogFile.Writer);
writer.WriteStartEntry(0, 0, 0x123456789ABCDEFL, logFiles.LogFileInformation.LastEntryId + 1, new sbyte[] { 0 });
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public boolean isRecoveryRequiredAt(org.neo4j.io.layout.DatabaseLayout databaseLayout) throws java.io.IOException
public virtual bool IsRecoveryRequiredAt(DatabaseLayout databaseLayout)
{
// We need config to determine where the logical log files are
if (!NeoStores.isStorePresent(_pageCache, databaseLayout))
{
return(false);
}
LogEntryReader <ReadableClosablePositionAwareChannel> reader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>();
LogFiles logFiles = LogFilesBuilder.activeFilesBuilder(databaseLayout, _fs, _pageCache).withConfig(_config).withLogEntryReader(reader).build();
LogTailScanner tailScanner = new LogTailScanner(logFiles, reader, _monitors);
return((new RecoveryStartInformationProvider(tailScanner, NO_MONITOR)).get().RecoveryRequired);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void appendCheckpoint(org.neo4j.kernel.impl.transaction.log.entry.LogEntryVersion logVersion) throws java.io.IOException
private void AppendCheckpoint(LogEntryVersion logVersion)
{
PageCache pageCache = _pageCacheRule.getPageCache(_fs);
VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader <ReadableClosablePositionAwareChannel>();
LogFiles logFiles = LogFilesBuilder.activeFilesBuilder(_storeDirectory.databaseLayout(), _fs, pageCache).withLogEntryReader(logEntryReader).build();
LogTailScanner tailScanner = new LogTailScanner(logFiles, logEntryReader, new Monitors());
LogTailScanner.LogTailInformation tailInformation = tailScanner.TailInformation;
using (Lifespan lifespan = new Lifespan(logFiles))
{
FlushablePositionAwareChannel channel = logFiles.LogFile.Writer;
LogPosition logPosition = tailInformation.LastCheckPoint.LogPosition;
// Fake record
channel.Put(logVersion.byteCode()).put(CHECK_POINT).putLong(logPosition.LogVersion).putLong(logPosition.ByteOffset);
channel.PrepareForFlush().flush();
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public boolean hasTxLogs(org.neo4j.io.layout.DatabaseLayout databaseLayout) throws java.io.IOException
public virtual bool HasTxLogs(DatabaseLayout databaseLayout)
{
return(LogFilesBuilder.activeFilesBuilder(databaseLayout, _fs, _pageCache).withConfig(_config).build().logFiles().Length > 0);
}
