private void ShowRelCounts(KernelTransaction ktx, DbStructureVisitor visitor)
{
// all wildcards
NoSide(ktx, visitor, _wildcardRelType, ANY_RELATIONSHIP_TYPE);
TokenRead tokenRead = ktx.TokenRead();
// one label only
foreach (Label label in _db.AllLabels)
{
int labelId = tokenRead.NodeLabel(label.Name());
LeftSide(ktx, visitor, label, labelId, _wildcardRelType, ANY_RELATIONSHIP_TYPE);
RightSide(ktx, visitor, label, labelId, _wildcardRelType, ANY_RELATIONSHIP_TYPE);
}
// fixed rel type
foreach (RelationshipType relType in _db.AllRelationshipTypes)
{
int relTypeId = tokenRead.RelationshipType(relType.Name());
NoSide(ktx, visitor, relType, relTypeId);
foreach (Label label in _db.AllLabels)
{
int labelId = tokenRead.NodeLabel(label.Name());
// wildcard on right
LeftSide(ktx, visitor, label, labelId, relType, relTypeId);
// wildcard on left
RightSide(ktx, visitor, label, labelId, relType, relTypeId);
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void addingANodeWithPropertyShouldGetIndexed() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void AddingANodeWithPropertyShouldGetIndexed()
{
// Given
string indexProperty = "indexProperty";
GatheringIndexWriter writer = NewWriter();
createIndex(_db, _myLabel, indexProperty);
// When
int value1 = 12;
string otherProperty = "otherProperty";
int otherValue = 17;
Node node = CreateNode(map(indexProperty, value1, otherProperty, otherValue), _myLabel);
// Then, for now, this should trigger two NodePropertyUpdates
using (Transaction tx = _db.beginTx())
{
KernelTransaction ktx = _ctxSupplier.getKernelTransactionBoundToThisThread(true);
TokenRead tokenRead = ktx.TokenRead();
int propertyKey1 = tokenRead.PropertyKey(indexProperty);
int label = tokenRead.NodeLabel(_myLabel.name());
LabelSchemaDescriptor descriptor = SchemaDescriptorFactory.forLabel(label, propertyKey1);
assertThat(writer.UpdatesCommitted, equalTo(asSet(IndexEntryUpdate.add(node.Id, descriptor, Values.of(value1)))));
tx.Success();
}
// We get two updates because we both add a label and a property to be indexed
// in the same transaction, in the future, we should optimize this down to
// one NodePropertyUpdate.
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void batchInserterShouldUseConfiguredIndexProvider() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void BatchInserterShouldUseConfiguredIndexProvider()
{
Config config = Config.defaults(stringMap(default_schema_provider.name(), _schemaIndex.providerName()));
BatchInserter inserter = NewBatchInserter(config);
inserter.CreateDeferredSchemaIndex(TestLabels.LABEL_ONE).on("key").create();
inserter.Shutdown();
GraphDatabaseService db = GraphDatabaseService(config);
AwaitIndexesOnline(db);
try
{
using (Transaction tx = Db.beginTx())
{
DependencyResolver dependencyResolver = (( GraphDatabaseAPI )db).DependencyResolver;
ThreadToStatementContextBridge threadToStatementContextBridge = dependencyResolver.ResolveDependency(typeof(ThreadToStatementContextBridge));
KernelTransaction kernelTransaction = threadToStatementContextBridge.GetKernelTransactionBoundToThisThread(true);
TokenRead tokenRead = kernelTransaction.TokenRead();
SchemaRead schemaRead = kernelTransaction.SchemaRead();
int labelId = tokenRead.NodeLabel(TestLabels.LABEL_ONE.name());
int propertyId = tokenRead.PropertyKey("key");
IndexReference index = schemaRead.Index(labelId, propertyId);
assertTrue(UnexpectedIndexProviderMessage(index), _schemaIndex.providerName().contains(index.ProviderKey()));
assertTrue(UnexpectedIndexProviderMessage(index), _schemaIndex.providerName().contains(index.ProviderVersion()));
tx.Success();
}
}
finally
{
Db.shutdown();
}
}
private void AssertCorrectProvider(GraphDatabaseAPI db, Label label, string property)
{
KernelTransaction kernelTransaction = Db.DependencyResolver.resolveDependency(typeof(ThreadToStatementContextBridge)).getKernelTransactionBoundToThisThread(false);
TokenRead tokenRead = kernelTransaction.TokenRead();
int labelId = tokenRead.NodeLabel(label.Name());
int propId = tokenRead.PropertyKey(property);
SchemaRead schemaRead = kernelTransaction.SchemaRead();
IndexReference index = schemaRead.Index(labelId, propId);
assertEquals("correct provider key", "lucene+native", index.ProviderKey());
assertEquals("correct provider version", "1.0", index.ProviderVersion());
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void assertIndexProvider(org.neo4j.graphdb.GraphDatabaseService db, String expectedProviderIdentifier) throws org.neo4j.internal.kernel.api.exceptions.schema.IndexNotFoundKernelException
private void AssertIndexProvider(GraphDatabaseService db, string expectedProviderIdentifier)
{
GraphDatabaseAPI graphDatabaseAPI = ( GraphDatabaseAPI )db;
using (Transaction tx = graphDatabaseAPI.BeginTx())
{
KernelTransaction ktx = graphDatabaseAPI.DependencyResolver.resolveDependency(typeof(ThreadToStatementContextBridge)).getKernelTransactionBoundToThisThread(true);
TokenRead tokenRead = ktx.TokenRead();
int labelId = tokenRead.NodeLabel(LABEL.name());
int propertyId = tokenRead.PropertyKey(KEY);
IndexReference index = ktx.SchemaRead().index(labelId, propertyId);
assertEquals("expected IndexProvider.Descriptor", expectedProviderIdentifier, (new IndexProviderDescriptor(index.ProviderKey(), index.ProviderVersion())).name());
tx.Success();
}
}
//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 Iterable<org.neo4j.graphdb.schema.ConstraintDefinition> getConstraints(final org.neo4j.graphdb.Label label)
public virtual IEnumerable <ConstraintDefinition> getConstraints(Label label)
{
KernelTransaction transaction = SafeAcquireTransaction(_transactionSupplier);
using (Statement ignore = transaction.AcquireStatement())
{
TokenRead tokenRead = transaction.TokenRead();
SchemaRead schemaRead = transaction.SchemaRead();
int labelId = tokenRead.NodeLabel(label.Name());
if (labelId == [email protected]_Fields.NO_TOKEN)
{
return(emptyList());
}
return(AsConstraintDefinitions(schemaRead.ConstraintsGetForLabel(labelId), tokenRead));
}
}
private IDictionary <string, int> GetLabelIdsByName(params string[] names)
{
ThreadToStatementContextBridge transactionStatementContextBridge = TransactionStatementContextBridge;
IDictionary <string, int> labelNameIdMap = new Dictionary <string, int>();
KernelTransaction ktx = transactionStatementContextBridge.GetKernelTransactionBoundToThisThread(true);
using (Statement ignore = ktx.AcquireStatement())
{
TokenRead tokenRead = ktx.TokenRead();
foreach (string name in names)
{
labelNameIdMap[name] = tokenRead.NodeLabel(name);
}
}
return(labelNameIdMap);
}
//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 Iterable<org.neo4j.graphdb.schema.IndexDefinition> getIndexes(final org.neo4j.graphdb.Label label)
public override IEnumerable <IndexDefinition> GetIndexes(Label label)
{
KernelTransaction transaction = _transactionSupplier.get();
using (Statement ignore = transaction.AcquireStatement())
{
TokenRead tokenRead = transaction.TokenRead();
SchemaRead schemaRead = transaction.SchemaRead();
IList <IndexDefinition> definitions = new List <IndexDefinition>();
int labelId = tokenRead.NodeLabel(label.Name());
if (labelId == [email protected]_Fields.NO_TOKEN)
{
return(emptyList());
}
IEnumerator <IndexReference> indexes = schemaRead.IndexesGetForLabel(labelId);
AddDefinitions(definitions, tokenRead, IndexReference.sortByType(indexes));
return(definitions);
}
}
public override void DropNodePropertyExistenceConstraint(Label label, string[] properties)
{
KernelTransaction transaction = SafeAcquireTransaction(TransactionSupplier);
using (Statement ignore = transaction.AcquireStatement())
{
try
{
TokenRead tokenRead = transaction.TokenRead();
int labelId = tokenRead.NodeLabel(label.Name());
int[] propertyKeyIds = ResolveAndValidatePropertyKeys(tokenRead, properties);
transaction.SchemaWrite().constraintDrop(ConstraintDescriptorFactory.existsForLabel(labelId, propertyKeyIds));
}
catch (DropConstraintFailureException e)
{
throw new ConstraintViolationException(e.GetUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
catch (Exception e) when(e is InvalidTransactionTypeKernelException || e is SchemaKernelException)
{
throw new ConstraintViolationException(e.Message, e);
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void addingALabelToPreExistingNodeShouldGetIndexed() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void AddingALabelToPreExistingNodeShouldGetIndexed()
{
// GIVEN
string indexProperty = "indexProperty";
GatheringIndexWriter writer = NewWriter();
createIndex(_db, _myLabel, indexProperty);
// WHEN
string otherProperty = "otherProperty";
int value = 12;
int otherValue = 17;
Node node = CreateNode(map(indexProperty, value, otherProperty, otherValue));
// THEN
assertThat(writer.UpdatesCommitted.Count, equalTo(0));
// AND WHEN
using (Transaction tx = _db.beginTx())
{
node.AddLabel(_myLabel);
tx.Success();
}
// THEN
using (Transaction tx = _db.beginTx())
{
KernelTransaction ktx = _ctxSupplier.getKernelTransactionBoundToThisThread(true);
TokenRead tokenRead = ktx.TokenRead();
int propertyKey1 = tokenRead.PropertyKey(indexProperty);
int label = tokenRead.NodeLabel(_myLabel.name());
LabelSchemaDescriptor descriptor = SchemaDescriptorFactory.forLabel(label, propertyKey1);
assertThat(writer.UpdatesCommitted, equalTo(asSet(IndexEntryUpdate.add(node.Id, descriptor, Values.of(value)))));
tx.Success();
}
}
public virtual GraphResult BuildSchemaGraph()
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.Map<String,VirtualNodeHack> nodes = new java.util.HashMap<>();
IDictionary <string, VirtualNodeHack> nodes = new Dictionary <string, VirtualNodeHack>();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.Map<String,java.util.Set<VirtualRelationshipHack>> relationships = new java.util.HashMap<>();
IDictionary <string, ISet <VirtualRelationshipHack> > relationships = new Dictionary <string, ISet <VirtualRelationshipHack> >();
using (Statement statement = _kernelTransaction.acquireStatement())
{
Read dataRead = _kernelTransaction.dataRead();
TokenRead tokenRead = _kernelTransaction.tokenRead();
TokenNameLookup tokenNameLookup = new SilentTokenNameLookup(tokenRead);
SchemaRead schemaRead = _kernelTransaction.schemaRead();
using (Transaction transaction = _graphDatabaseAPI.beginTx())
{
// add all labelsInDatabase
using (ResourceIterator <Label> labelsInDatabase = _graphDatabaseAPI.AllLabelsInUse.GetEnumerator())
{
while (labelsInDatabase.MoveNext())
{
Label label = labelsInDatabase.Current;
int labelId = tokenRead.NodeLabel(label.Name());
IDictionary <string, object> properties = new Dictionary <string, object>();
IEnumerator <IndexReference> indexReferences = schemaRead.IndexesGetForLabel(labelId);
List <string> indexes = new List <string>();
while (indexReferences.MoveNext())
{
IndexReference index = indexReferences.Current;
if (!index.Unique)
{
string[] propertyNames = PropertyNameUtils.getPropertyKeys(tokenNameLookup, index.Properties());
indexes.Add(string.join(",", propertyNames));
}
}
properties["indexes"] = indexes;
IEnumerator <ConstraintDescriptor> nodePropertyConstraintIterator = schemaRead.ConstraintsGetForLabel(labelId);
List <string> constraints = new List <string>();
while (nodePropertyConstraintIterator.MoveNext())
{
ConstraintDescriptor constraint = nodePropertyConstraintIterator.Current;
constraints.Add(constraint.PrettyPrint(tokenNameLookup));
}
properties["constraints"] = constraints;
GetOrCreateLabel(label.Name(), properties, nodes);
}
}
//add all relationships
using (ResourceIterator <RelationshipType> relationshipTypeIterator = _graphDatabaseAPI.AllRelationshipTypesInUse.GetEnumerator())
{
while (relationshipTypeIterator.MoveNext())
{
RelationshipType relationshipType = relationshipTypeIterator.Current;
string relationshipTypeGetName = relationshipType.Name();
int relId = tokenRead.RelationshipType(relationshipTypeGetName);
using (ResourceIterator <Label> labelsInUse = _graphDatabaseAPI.AllLabelsInUse.GetEnumerator())
{
IList <VirtualNodeHack> startNodes = new LinkedList <VirtualNodeHack>();
IList <VirtualNodeHack> endNodes = new LinkedList <VirtualNodeHack>();
while (labelsInUse.MoveNext())
{
Label labelToken = labelsInUse.Current;
string labelName = labelToken.Name();
IDictionary <string, object> properties = new Dictionary <string, object>();
VirtualNodeHack node = GetOrCreateLabel(labelName, properties, nodes);
int labelId = tokenRead.NodeLabel(labelName);
if (dataRead.CountsForRelationship(labelId, relId, [email protected]_Fields.ANY_LABEL) > 0)
{
startNodes.Add(node);
}
if (dataRead.CountsForRelationship([email protected]_Fields.ANY_LABEL, relId, labelId) > 0)
{
endNodes.Add(node);
}
}
foreach (VirtualNodeHack startNode in startNodes)
{
foreach (VirtualNodeHack endNode in endNodes)
{
AddRelationship(startNode, endNode, relationshipTypeGetName, relationships);
}
}
}
}
}
transaction.Success();
return(GetGraphResult(nodes, relationships));
}
}
}
