/// <summary>
/// Create a new Tuple of type <paramref name="myTupleElementType"/> and values <paramref name="myValues"/>
/// </summary>
/// <param name="myTupleElementType"></param>
/// <param name="myValues"></param>
/// <returns></returns>
public static TupleDefinition Create(params Object[] myValues)
{
var elements = new TupleDefinition();
foreach (var value in myValues)
{
elements.AddElement(new TupleElement(new ValueDefinition(value)));
}
return(elements);
}
public void Remove(TupleDefinition myTupleDefinition)
{
if (myTupleDefinition == this)
{
TupleElements = new List <TupleElement>();
}
else
{
foreach (var td in myTupleDefinition)
{
Remove(td);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="myTupleDefinition"></param>
/// <returns></returns>
private bool IsEncapsulatedBinaryExpression(TupleDefinition myTupleDefinition)
{
if (myTupleDefinition.Count() == 1)
{
if ((myTupleDefinition.First().Value is BinaryExpressionDefinition) || (myTupleDefinition.First().Value is UnaryExpressionDefinition))
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
public static AOperationDefinition GetValidTupleReloaded(TupleDefinition myTupleDefinition,
IGraphDB myIGraphDB,
SecurityToken mySecurityToken,
Int64 myTransactionToken)
{
switch (myTupleDefinition.KindOfTuple)
{
case KindOfTuple.Exclusive:
if (myTupleDefinition.TupleElements.Count == 1)
{
return(myTupleDefinition.TupleElements[0].Value as ValueDefinition);
}
else
{
return(myTupleDefinition);
}
default:
return(myTupleDefinition);
}
}
/// <summary>
/// This will check all tupe value. If it contains only one value it will be converted to a ValueDefinition. If it contains a SelectDefinition it will be executed and the result added to the tuple.
/// </summary>
private AOperationDefinition AssignCorrectTuple(GQLPluginManager myPluginManager,
TupleDefinition myTupleDefinition,
BinaryOperator myOperator,
IGraphDB myGraphDB,
SecurityToken mySecurityToken,
Int64 myTransactionToken)
{
var retVal = new TupleDefinition(myTupleDefinition.KindOfTuple);
var validTuple = ABinaryOperator.GetValidTupleReloaded(myTupleDefinition, myGraphDB, mySecurityToken, myTransactionToken);
if (validTuple is TupleDefinition)
{
foreach (var tupleVal in (validTuple as TupleDefinition))
{
if (tupleVal.Value is ValueDefinition)
{
retVal.AddElement(tupleVal);
}
else if (tupleVal.Value is SelectDefinition)
{
#region partial select
var selectManager = new SelectManager(myGraphDB, myPluginManager);
var qresult = selectManager.ExecuteSelect(mySecurityToken, myTransactionToken, (tupleVal.Value as SelectDefinition), String.Empty);
if (qresult.Error != null)
{
throw qresult.Error;
}
IAttributeDefinition curAttr = ((tupleVal.Value as SelectDefinition).SelectedElements.First().Item1 as IDChainDefinition).LastAttribute;
foreach (var _Vertex in qresult.Vertices)
{
if (!(_Vertex.HasProperty(curAttr.Name)))
{
continue;
}
if (curAttr != null)
{
var val = new ValueDefinition(_Vertex.GetProperty <Object>(curAttr.Name));
retVal.AddElement(new TupleElement(val));
}
else
{
throw new NotImplementedQLException("");
}
}
#endregion
}
else
{
throw new NotImplementedQLException("");
}
}
}
else
{
return(validTuple);
}
return(retVal);
}
protected AOperationDefinition CreateTupleValue(TupleDefinition myTupleDefinition)
{
return(myTupleDefinition);
}