//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static void confirmTargetDirectoryIsWritable(org.neo4j.io.layout.StoreLayout storeLayout) throws CannotWriteException, java.io.IOException
private static void ConfirmTargetDirectoryIsWritable(StoreLayout storeLayout)
{
using (System.IDisposable ignored = StoreLockChecker.Check(storeLayout))
{
// empty
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void execute(String[] args) throws org.neo4j.commandline.admin.IncorrectUsage, org.neo4j.commandline.admin.CommandFailed
public override void Execute(string[] args)
{
string database = _arguments.parse(args).get(ARG_DATABASE);
Path archive = CalculateArchive(database, _arguments.getMandatoryPath("to"));
Config config = BuildConfig(database);
Path databaseDirectory = canonicalPath(GetDatabaseDirectory(config));
DatabaseLayout databaseLayout = DatabaseLayout.of(databaseDirectory.toFile());
Path transactionLogsDirectory = canonicalPath(GetTransactionalLogsDirectory(config));
try
{
Validators.CONTAINS_EXISTING_DATABASE.validate(databaseLayout.DatabaseDirectory());
}
catch (System.ArgumentException e)
{
throw new CommandFailed("database does not exist: " + database, e);
}
try
{
using (System.IDisposable ignored = StoreLockChecker.Check(databaseLayout.StoreLayout))
{
CheckDbState(databaseLayout, config);
Dump(database, databaseLayout, transactionLogsDirectory, archive);
}
}
catch (StoreLockException e)
{
throw new CommandFailed("the database is in use -- stop Neo4j and try again", e);
}
catch (IOException e)
{
WrapIOException(e);
}
catch (CannotWriteException e)
{
throw new CommandFailed("you do not have permission to dump the database -- is Neo4j running as a different user?", e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void execute(String[] args) throws org.neo4j.commandline.admin.IncorrectUsage, org.neo4j.commandline.admin.CommandFailed
public override void Execute(string[] args)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.nio.file.Path databaseDirectory = arguments.parse(args).getMandatoryPath("store");
Path databaseDirectory = _arguments.parse(args).getMandatoryPath("store");
Validators.CONTAINS_EXISTING_DATABASE.validate(databaseDirectory.toFile());
DatabaseLayout databaseLayout = DatabaseLayout.of(databaseDirectory.toFile());
try
{
using (System.IDisposable ignored = StoreLockChecker.Check(databaseLayout.StoreLayout), DefaultFileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction(), JobScheduler jobScheduler = createInitialisedScheduler(), PageCache pageCache = StandalonePageCacheFactory.createPageCache(fileSystem, jobScheduler))
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String storeVersion = new org.neo4j.kernel.impl.storemigration.StoreVersionCheck(pageCache).getVersion(databaseLayout.metadataStore()).orElseThrow(() -> new org.neo4j.commandline.admin.CommandFailed(String.format("Could not find version metadata in store '%s'", databaseDirectory)));
string storeVersion = (new StoreVersionCheck(pageCache)).getVersion(databaseLayout.MetadataStore()).orElseThrow(() => new CommandFailed(string.Format("Could not find version metadata in store '{0}'", databaseDirectory)));
const string fmt = "%-30s%s";
@out.accept(string.format(fmt, "Store format version:", storeVersion));
RecordFormats format = RecordFormatSelector.selectForVersion(storeVersion);
@out.accept(string.format(fmt, "Store format introduced in:", format.IntroductionVersion()));
findSuccessor(format).map(next => string.format(fmt, "Store format superseded in:", next.introductionVersion())).ifPresent(@out);
}
}
catch (StoreLockException e)
{
throw new CommandFailed("the database is in use -- stop Neo4j and try again", e);
}
catch (Exception e)
{
throw new CommandFailed(e.Message, e);
}
}
/// <summary>
/// Create store lock checker with lock on a provided store layout if it exists and writable </summary>
/// <param name="storeLayout"> store layout to check </param>
/// <returns> lock checker or empty closeable in case if path does not exists or is not writable </returns>
/// <exception cref="CannotWriteException">
/// </exception>
/// <seealso cref= StoreLocker </seealso>
/// <seealso cref= Files </seealso>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static java.io.Closeable check(org.neo4j.io.layout.StoreLayout storeLayout) throws CannotWriteException
internal static System.IDisposable Check(StoreLayout storeLayout)
{
Path lockFile = storeLayout.StoreLockFile().toPath();
if (Files.exists(lockFile))
{
if (Files.isWritable(lockFile))
{
StoreLockChecker storeLocker = new StoreLockChecker(new DefaultFileSystemAbstraction(), storeLayout);
try
{
storeLocker.CheckLock();
return(storeLocker);
}
catch (StoreLockException le)
{
try
{
storeLocker.Dispose();
}
catch (IOException e)
{
le.addSuppressed(e);
}
throw le;
}
}
else
{
throw new CannotWriteException(lockFile);
}
}
return(() =>
{
});
}
