internal FulltextIndexTransactionState(FulltextIndexProvider provider, Log log, IndexReference indexReference)
{
FulltextIndexAccessor accessor = provider.GetOpenOnlineAccessor(( StoreIndexDescriptor )indexReference);
log.Debug("Acquired online fulltext schema index accessor, as base accessor for transaction state: %s", accessor);
_descriptor = accessor.Descriptor;
SchemaDescriptor schema = _descriptor.schema();
_toCloseLater = new List <AutoCloseable>();
_writer = accessor.TransactionStateIndexWriter;
_modifiedEntityIdsInThisTransaction = new LongHashSet();
_visitingNodes = Schema.entityType() == EntityType.NODE;
_txStateVisitor = new FulltextIndexTransactionStateVisitor(_descriptor, _modifiedEntityIdsInThisTransaction, _writer);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public org.neo4j.kernel.api.index.IndexAccessor getOnlineAccessor(org.neo4j.storageengine.api.schema.StoreIndexDescriptor descriptor, org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig samplingConfig) throws java.io.IOException
public override IndexAccessor GetOnlineAccessor(StoreIndexDescriptor descriptor, IndexSamplingConfig samplingConfig)
{
PartitionedIndexStorage indexStorage = GetIndexStorage(descriptor.Id);
FulltextIndexDescriptor fulltextIndexDescriptor = readOrInitialiseDescriptor(descriptor, _defaultAnalyzerName, _tokenHolders.propertyKeyTokens(), indexStorage.IndexFolder, _fileSystem);
FulltextIndexBuilder fulltextIndexBuilder = FulltextIndexBuilder.Create(fulltextIndexDescriptor, _config, _tokenHolders.propertyKeyTokens()).withFileSystem(_fileSystem).withOperationalMode(_operationalMode).withIndexStorage(indexStorage).withPopulatingMode(false);
if (fulltextIndexDescriptor.EventuallyConsistent)
{
fulltextIndexBuilder = fulltextIndexBuilder.WithIndexUpdateSink(_indexUpdateSink);
}
DatabaseFulltextIndex fulltextIndex = fulltextIndexBuilder.Build();
fulltextIndex.open();
ThreadStart onClose = () => _openOnlineAccessors.remove(descriptor);
FulltextIndexAccessor accessor = new FulltextIndexAccessor(_indexUpdateSink, fulltextIndex, fulltextIndexDescriptor, onClose);
_openOnlineAccessors.put(descriptor, accessor);
_log.debug("Created online accessor for fulltext schema index %s: %s", descriptor, accessor);
return(accessor);
}
public override IndexCapability GetCapability(StoreIndexDescriptor descriptor)
{
FulltextIndexDescriptor fulltextIndexDescriptor;
if (descriptor is FulltextIndexDescriptor)
{
// We got our own index descriptor type, so we can ask it directly.
fulltextIndexDescriptor = ( FulltextIndexDescriptor )descriptor;
return(new FulltextIndexCapability(fulltextIndexDescriptor.EventuallyConsistent));
}
SchemaDescriptor schema = descriptor.Schema();
if (schema is FulltextSchemaDescriptor)
{
// The fulltext schema descriptor is readily available with our settings.
// This could be the situation where the index creation is about to be committed.
// In that case, the schema descriptor is our own legit type, but the StoreIndexDescriptor is generic.
FulltextSchemaDescriptor fulltextSchemaDescriptor = ( FulltextSchemaDescriptor )schema;
return(new FulltextIndexCapability(fulltextSchemaDescriptor.EventuallyConsistent));
}
// The schema descriptor is probably a generic multi-token descriptor.
// This happens if it was loaded from the schema store instead of created by our provider.
// This would be the case when the IndexingService is starting up, and if so, we probably have an online accessor that we can ask instead.
FulltextIndexAccessor accessor = GetOpenOnlineAccessor(descriptor);
if (accessor != null)
{
fulltextIndexDescriptor = accessor.Descriptor;
return(new FulltextIndexCapability(fulltextIndexDescriptor.EventuallyConsistent));
}
// All of the above has failed, so we need to load the settings in from the storage directory of the index.
// This situation happens during recovery.
PartitionedIndexStorage indexStorage = GetIndexStorage(descriptor.Id);
fulltextIndexDescriptor = readOrInitialiseDescriptor(descriptor, _defaultAnalyzerName, _tokenHolders.propertyKeyTokens(), indexStorage.IndexFolder, _fileSystem);
return(new FulltextIndexCapability(fulltextIndexDescriptor.EventuallyConsistent));
}
internal FulltextIndexUpdater(FulltextIndexAccessor outerInstance, bool idempotent, bool refresh) : base(outerInstance, idempotent, refresh)
{
this._outerInstance = outerInstance;
}
