public InputAnonymousInnerClass(InputIterable nodes, InputIterable relationships, IdMapper idMapper, [email protected] badCollector, Input_Estimates estimates) { this._nodes = nodes; this._relationships = relationships; this._idMapper = idMapper; this._badCollector = badCollector; this._estimates = estimates; }
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static long importData(String title, int numRunners, InputIterable data, org.neo4j.unsafe.impl.batchimport.store.BatchingNeoStores stores, System.Func<EntityImporter> visitors, org.neo4j.unsafe.impl.batchimport.staging.ExecutionMonitor executionMonitor, org.neo4j.unsafe.impl.batchimport.stats.StatsProvider memoryStatsProvider) throws java.io.IOException
private static long ImportData(string title, int numRunners, InputIterable data, BatchingNeoStores stores, System.Func <EntityImporter> visitors, ExecutionMonitor executionMonitor, StatsProvider memoryStatsProvider)
{
LongAdder roughEntityCountProgress = new LongAdder();
ExecutorService pool = Executors.newFixedThreadPool(numRunners, new NamedThreadFactory(title + "Importer"));
IoMonitor writeMonitor = new IoMonitor(stores.IoTracer);
ControllableStep step = new ControllableStep(title, roughEntityCountProgress, Configuration.DEFAULT, writeMonitor, memoryStatsProvider);
StageExecution execution = new StageExecution(title, null, Configuration.DEFAULT, Collections.singletonList(step), 0);
long startTime = currentTimeMillis();
using (InputIterator dataIterator = data.GetEnumerator())
{
executionMonitor.Start(execution);
for (int i = 0; i < numRunners; i++)
{
pool.submit(new ExhaustingEntityImporterRunnable(execution, dataIterator, visitors(), roughEntityCountProgress));
}
pool.shutdown();
long nextWait = 0;
try
{
while (!pool.awaitTermination(nextWait, TimeUnit.MILLISECONDS))
{
executionMonitor.Check(execution);
nextWait = executionMonitor.NextCheckTime() - currentTimeMillis();
}
}
catch (InterruptedException e)
{
Thread.CurrentThread.Interrupt();
throw new IOException(e);
}
}
execution.AssertHealthy();
step.MarkAsCompleted();
writeMonitor.Stop();
executionMonitor.End(execution, currentTimeMillis() - startTime);
execution.AssertHealthy();
return(roughEntityCountProgress.sum());
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void migrateWithBatchImporter(org.neo4j.io.layout.DatabaseLayout sourceDirectoryStructure, org.neo4j.io.layout.DatabaseLayout migrationDirectoryStructure, long lastTxId, long lastTxChecksum, long lastTxLogVersion, long lastTxLogByteOffset, org.neo4j.kernel.impl.util.monitoring.ProgressReporter progressReporter, org.neo4j.kernel.impl.store.format.RecordFormats oldFormat, org.neo4j.kernel.impl.store.format.RecordFormats newFormat) throws java.io.IOException
private void MigrateWithBatchImporter(DatabaseLayout sourceDirectoryStructure, DatabaseLayout migrationDirectoryStructure, long lastTxId, long lastTxChecksum, long lastTxLogVersion, long lastTxLogByteOffset, ProgressReporter progressReporter, RecordFormats oldFormat, RecordFormats newFormat)
{
PrepareBatchImportMigration(sourceDirectoryStructure, migrationDirectoryStructure, oldFormat, newFormat);
bool requiresDynamicStoreMigration = !newFormat.Dynamic().Equals(oldFormat.Dynamic());
bool requiresPropertyMigration = !newFormat.Property().Equals(oldFormat.Property()) || requiresDynamicStoreMigration;
File badFile = sourceDirectoryStructure.File([email protected]_Fields.BAD_FILE_NAME);
using (NeoStores legacyStore = InstantiateLegacyStore(oldFormat, sourceDirectoryStructure), Stream badOutput = new BufferedOutputStream(new FileStream(badFile, false)))
{
Configuration importConfig = new Configuration_OverriddenAnonymousInnerClass(this, _config, sourceDirectoryStructure);
AdditionalInitialIds additionalInitialIds = ReadAdditionalIds(lastTxId, lastTxChecksum, lastTxLogVersion, lastTxLogByteOffset);
// We have to make sure to keep the token ids if we're migrating properties/labels
BatchImporter importer = BatchImporterFactory.withHighestPriority().instantiate(migrationDirectoryStructure, _fileSystem, _pageCache, importConfig, _logService, withDynamicProcessorAssignment(MigrationBatchImporterMonitor(legacyStore, progressReporter, importConfig), importConfig), additionalInitialIds, _config, newFormat, NO_MONITOR, _jobScheduler);
InputIterable nodes = () => LegacyNodesAsInput(legacyStore, requiresPropertyMigration);
InputIterable relationships = () => LegacyRelationshipsAsInput(legacyStore, requiresPropertyMigration);
long propertyStoreSize = StoreSize(legacyStore.PropertyStore) / 2 + StoreSize(legacyStore.PropertyStore.StringStore) / 2 + StoreSize(legacyStore.PropertyStore.ArrayStore) / 2;
Input_Estimates estimates = knownEstimates(legacyStore.NodeStore.NumberOfIdsInUse, legacyStore.RelationshipStore.NumberOfIdsInUse, legacyStore.PropertyStore.NumberOfIdsInUse, legacyStore.PropertyStore.NumberOfIdsInUse, propertyStoreSize / 2, propertyStoreSize / 2, 0);
importer.DoImport(Inputs.input(nodes, relationships, IdMappers.actual(), Collectors.badCollector(badOutput, 0), estimates));
// During migration the batch importer doesn't necessarily writes all entities, depending on
// which stores needs migration. Node, relationship, relationship group stores are always written
// anyways and cannot be avoided with the importer, but delete the store files that weren't written
// (left empty) so that we don't overwrite those in the real store directory later.
ICollection <DatabaseFile> storesToDeleteFromMigratedDirectory = new List <DatabaseFile>();
storesToDeleteFromMigratedDirectory.Add(DatabaseFile.METADATA_STORE);
if (!requiresPropertyMigration)
{
// We didn't migrate properties, so the property stores in the migrated store are just empty/bogus
storesToDeleteFromMigratedDirectory.addAll(asList(DatabaseFile.PROPERTY_STORE, DatabaseFile.PROPERTY_STRING_STORE, DatabaseFile.PROPERTY_ARRAY_STORE));
}
if (!requiresDynamicStoreMigration)
{
// We didn't migrate labels (dynamic node labels) or any other dynamic store
storesToDeleteFromMigratedDirectory.addAll(asList(DatabaseFile.NODE_LABEL_STORE, DatabaseFile.LABEL_TOKEN_STORE, DatabaseFile.LABEL_TOKEN_NAMES_STORE, DatabaseFile.RELATIONSHIP_TYPE_TOKEN_STORE, DatabaseFile.RELATIONSHIP_TYPE_TOKEN_NAMES_STORE, DatabaseFile.PROPERTY_KEY_TOKEN_STORE, DatabaseFile.PROPERTY_KEY_TOKEN_NAMES_STORE, DatabaseFile.SCHEMA_STORE));
}
fileOperation(DELETE, _fileSystem, migrationDirectoryStructure, migrationDirectoryStructure, storesToDeleteFromMigratedDirectory, true, null);
}
}
private InputEntity[] Sample(InputIterable source, int size)
{
try
{
using (InputIterator iterator = source.GetEnumerator(), InputChunk chunk = iterator.NewChunk())
{
InputEntity[] sample = new InputEntity[size];
int cursor = 0;
while (cursor < size && iterator.Next(chunk))
{
while (cursor < size && chunk.Next(sample[cursor++] = new InputEntity()))
{
// just loop
}
}
return(sample);
}
}
catch (IOException e)
{
throw new UncheckedIOException(e);
}
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: public static Input input(final org.neo4j.unsafe.impl.batchimport.InputIterable nodes, final org.neo4j.unsafe.impl.batchimport.InputIterable relationships, final org.neo4j.unsafe.impl.batchimport.cache.idmapping.IdMapper idMapper, final Collector badCollector, org.neo4j.unsafe.impl.batchimport.input.Input_Estimates estimates)
public static Input Input(InputIterable nodes, InputIterable relationships, IdMapper idMapper, Collector badCollector, Input_Estimates estimates)
{
return(new InputAnonymousInnerClass(nodes, relationships, idMapper, badCollector, estimates));
}
