Esempio n. 1
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static Fixture prepareDirectoryAndPageCache(Class testClass) throws java.io.IOException
        internal static Fixture PrepareDirectoryAndPageCache(Type testClass)
        {
            DefaultFileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
            TestDirectory          testDirectory    = TestDirectory.testDirectory(testClass, fileSystem);
            File                   dir       = testDirectory.PrepareDirectoryForTest("test");
            ThreadPoolJobScheduler scheduler = new ThreadPoolJobScheduler();
            PageCache              pageCache = StandalonePageCacheFactory.createPageCache(fileSystem, scheduler);

            return(new Fixture(pageCache, fileSystem, dir, scheduler));
        }
Esempio n. 2
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 private GBPTreePlayground(FileSystemAbstraction fs, File indexFile)
 {
     this._indexFile = indexFile;
     this._layout    = SimpleLongLayout.LongLayout().build();
     this._pageCache = StandalonePageCacheFactory.createPageCache(fs, createInitialisedScheduler());
 }
Esempio n. 3
0
//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);
            }
        }
Esempio n. 4
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private long applyTransactions(java.io.File fromPath, org.neo4j.kernel.internal.GraphDatabaseAPI toDb, org.neo4j.kernel.configuration.Config toConfig, long fromTxExclusive, long toTxInclusive, java.io.PrintStream out) throws Exception
		 private long ApplyTransactions( File fromPath, GraphDatabaseAPI toDb, Config toConfig, long fromTxExclusive, long toTxInclusive, PrintStream @out )
		 {
			  DependencyResolver resolver = toDb.DependencyResolver;
			  TransactionRepresentationCommitProcess commitProcess = new TransactionRepresentationCommitProcess( resolver.ResolveDependency( typeof( TransactionAppender ) ), resolver.ResolveDependency( typeof( StorageEngine ) ) );
			  LifeSupport life = new LifeSupport();
			  try
			  {
					  using ( DefaultFileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction(), JobScheduler jobScheduler = createInitialisedScheduler(), PageCache pageCache = StandalonePageCacheFactory.createPageCache(fileSystem, jobScheduler) )
					  {
						LogicalTransactionStore source = life.Add( new ReadOnlyTransactionStore( pageCache, fileSystem, DatabaseLayout.of( fromPath ), Config.defaults(), new Monitors() ) );
						life.Start();
						long lastAppliedTx = fromTxExclusive;
						// Some progress if there are more than a couple of transactions to apply
						ProgressListener progress = toTxInclusive - fromTxExclusive >= 100 ? textual( @out ).singlePart( "Application progress", toTxInclusive - fromTxExclusive ) : Org.Neo4j.Helpers.progress.ProgressListener_Fields.None;
						using ( IOCursor<CommittedTransactionRepresentation> cursor = source.GetTransactions( fromTxExclusive + 1 ) )
						{
							 while ( cursor.next() )
							 {
								  CommittedTransactionRepresentation transaction = cursor.get();
								  TransactionRepresentation transactionRepresentation = transaction.TransactionRepresentation;
								  try
								  {
										commitProcess.Commit( new TransactionToApply( transactionRepresentation ), NULL, EXTERNAL );
										progress.Add( 1 );
								  }
//JAVA TO C# CONVERTER WARNING: 'final' catch parameters are not available in C#:
//ORIGINAL LINE: catch (final Throwable e)
								  catch ( Exception e )
								  {
										Console.Error.WriteLine( "ERROR applying transaction " + transaction.CommitEntry.TxId );
										throw e;
								  }
								  lastAppliedTx = transaction.CommitEntry.TxId;
								  if ( lastAppliedTx == toTxInclusive )
								  {
										break;
								  }
							 }
						}
						return lastAppliedTx;
					  }
			  }
			  finally
			  {
					life.Shutdown();
			  }
		 }
Esempio n. 5
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void changeStoreId(org.neo4j.io.layout.DatabaseLayout databaseLayout) throws Exception
        private void ChangeStoreId(DatabaseLayout databaseLayout)
        {
            File neoStoreFile = databaseLayout.MetadataStore();

            using (JobScheduler jobScheduler = new ThreadPoolJobScheduler(), PageCache pageCache = StandalonePageCacheFactory.createPageCache(_fs, jobScheduler))
            {
                MetaDataStore.setRecord(pageCache, neoStoreFile, RANDOM_NUMBER, DateTimeHelper.CurrentUnixTimeMillis());
            }
        }
Esempio n. 6
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static void assertStoreConsistent(org.neo4j.io.fs.FileSystemAbstraction fs, java.io.File storeDir) throws Exception
        internal static void AssertStoreConsistent(FileSystemAbstraction fs, File storeDir)
        {
            File parent = storeDir.ParentFile;

            using (JobScheduler jobScheduler = new ThreadPoolJobScheduler(), PageCache pageCache = StandalonePageCacheFactory.createPageCache(fs, jobScheduler), TemporaryStoreDirectory tempStore = new TemporaryStoreDirectory(fs, pageCache, parent))
            {
                fs.CopyRecursively(storeDir, tempStore.StoreDir());

                (new CopiedStoreRecovery(Config.defaults(), newDependencies().kernelExtensions(), pageCache)).recoverCopiedStore(tempStore.DatabaseLayout());

                ConsistencyCheckService.Result result = runConsistencyCheckTool(new string[] { storeDir.AbsolutePath }, new PrintStream(NULL_OUTPUT_STREAM), new PrintStream(NULL_OUTPUT_STREAM));

                if (!result.Successful)
                {
                    throw new Exception("Not consistent database in " + storeDir);
                }
            }
        }
Esempio n. 7
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static java.util.Set<org.neo4j.causalclustering.identity.StoreId> getStoreIds(java.util.List<java.io.File> coreStoreDirs, org.neo4j.io.fs.FileSystemAbstraction fs) throws Exception
        public static ISet <StoreId> GetStoreIds(IList <File> coreStoreDirs, FileSystemAbstraction fs)
        {
            ISet <StoreId> storeIds = new HashSet <StoreId>();

            using (JobScheduler jobScheduler = new ThreadPoolJobScheduler(), PageCache pageCache = StandalonePageCacheFactory.createPageCache(fs, jobScheduler))
            {
                foreach (File coreStoreDir in coreStoreDirs)
                {
                    storeIds.Add(DoReadStoreId(coreStoreDir, pageCache));
                }
            }

            return(storeIds);
        }