public override void SetProperty(string key, object value)
{
KernelTransaction transaction = _spi.kernelTransaction();
int propertyKeyId;
try
{
propertyKeyId = transaction.TokenWrite().propertyKeyGetOrCreateForName(key);
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(format("Invalid property key '%s'.", key), e);
}
try
{
using (Statement ignore = transaction.AcquireStatement())
{
transaction.DataWrite().nodeSetProperty(_nodeId, propertyKeyId, Values.of(value, false));
}
}
catch (ConstraintValidationException e)
{
throw new ConstraintViolationException(e.GetUserMessage(new SilentTokenNameLookup(transaction.TokenRead())), e);
}
catch (System.ArgumentException e)
{
// Trying to set an illegal value is a critical error - fail this transaction
_spi.failTransaction();
throw e;
}
catch (EntityNotFoundException e)
{
throw new NotFoundException(e);
}
catch (InvalidTransactionTypeKernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
catch (AutoIndexingKernelException e)
{
throw new System.InvalidOperationException("Auto indexing encountered a failure while setting property: " + e.Message, e);
}
catch (KernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
}
private KernelTransaction SafeAcquireTransaction()
{
KernelTransaction transaction = _actions.kernelTransaction();
if (transaction.Terminated)
{
Status terminationReason = transaction.ReasonIfTerminated.orElse(Org.Neo4j.Kernel.Api.Exceptions.Status_Transaction.Terminated);
throw new TransactionTerminatedException(terminationReason);
}
return(transaction);
}
public virtual bool InitializeData()
{
// It enough to check only start node, since it's absence will indicate that data was not yet loaded.
if (_startNode == AbstractBaseRecord.NO_ID)
{
KernelTransaction transaction = _spi.kernelTransaction();
using (Statement ignore = transaction.AcquireStatement())
{
RelationshipScanCursor relationships = transaction.AmbientRelationshipCursor();
transaction.DataRead().singleRelationship(_id, relationships);
// At this point we don't care if it is there or not just load what we got.
bool wasPresent = relationships.Next();
this._type = relationships.Type();
this._startNode = relationships.SourceNodeReference();
this._endNode = relationships.TargetNodeReference();
// But others might care, e.g. the Bolt server needs to know for serialisation purposes.
return(wasPresent);
}
}
return(true);
}