public static TransactionStateChecker Create(TransitionalPeriodTransactionMessContainer container)
{
KernelTransaction topLevelTransactionBoundToThisThread = container.Bridge.getKernelTransactionBoundToThisThread(true);
KernelStatement kernelStatement = ( KernelStatement )topLevelTransactionBoundToThisThread.AcquireStatement();
return(new TransactionStateChecker(kernelStatement, nodeId => kernelStatement.HasTxStateWithChanges() && kernelStatement.TxState().nodeIsDeletedInThisTx(nodeId), relId => kernelStatement.HasTxStateWithChanges() && kernelStatement.TxState().relationshipIsDeletedInThisTx(relId)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void closeStatementOnClose()
public virtual void CloseStatementOnClose()
{
KernelTransaction kernelTransaction = mock(typeof(KernelTransaction));
Statement statement = mock(typeof(Statement));
when(kernelTransaction.AcquireStatement()).thenReturn(statement);
//noinspection EmptyTryBlock
using (IndexProcedures ignored = new IndexProcedures(kernelTransaction, null))
{
}
verify(statement).close();
}
/// <param name="start"> the label of the start node of relationships to get the number of, or {@code null} for "any". </param>
/// <param name="type"> the type of the relationships to get the number of, or {@code null} for "any". </param>
/// <param name="end"> the label of the end node of relationships to get the number of, or {@code null} for "any". </param>
private long CountsForRelationship(Label start, RelationshipType type, Label end)
{
KernelTransaction ktx = _ktxSupplier.get();
using (Statement ignore = ktx.AcquireStatement())
{
TokenRead tokenRead = ktx.TokenRead();
int startId;
int typeId;
int endId;
// start
if (start == null)
{
startId = [email protected]_Fields.ANY_LABEL;
}
else
{
if ([email protected]_Fields.NO_TOKEN == (startId = tokenRead.NodeLabel(start.Name())))
{
return(0);
}
}
// type
if (type == null)
{
typeId = [email protected]_Fields.ANY_RELATIONSHIP_TYPE;
}
else
{
if ([email protected]_Fields.NO_TOKEN == (typeId = tokenRead.RelationshipType(type.Name())))
{
return(0);
}
}
// end
if (end == null)
{
endId = [email protected]_Fields.ANY_LABEL;
}
else
{
if ([email protected]_Fields.NO_TOKEN == (endId = tokenRead.NodeLabel(end.Name())))
{
return(0);
}
}
return(ktx.DataRead().countsForRelationship(startId, typeId, endId));
}
}
public override IndexHits <Relationship> Query(object queryOrQueryObjectOrNull, Node startNodeOrNull, Node endNodeOrNull)
{
KernelTransaction ktx = TxBridge.get();
try
{
using (Statement ignore = ktx.AcquireStatement())
{
RelationshipExplicitIndexCursor cursor = ktx.Cursors().allocateRelationshipExplicitIndexCursor();
long source = startNodeOrNull == null ? NO_SUCH_NODE : startNodeOrNull.Id;
long target = endNodeOrNull == null ? NO_SUCH_NODE : endNodeOrNull.Id;
ktx.IndexRead().relationshipExplicitIndexQuery(cursor, NameConflict, queryOrQueryObjectOrNull, source, target);
return(new CursorWrappingRelationshipIndexHits(cursor, GraphDatabase, ktx, NameConflict));
}
}
catch (ExplicitIndexNotFoundKernelException)
{
throw new NotFoundException(Type + " index '" + NameConflict + "' doesn't exist");
}
}
