public Boolean Equals(ExpressionEdge p)
{
// If parameter is null return false:
if ((object)p == null)
{
return(false);
}
return((this._destination == p.Destination) && (this._direction == p.Direction));
}
public override Boolean Equals(System.Object obj)
{
// If parameter is null return false.
if (obj == null)
{
return(false);
}
// If parameter cannot be cast to Point return false.
ExpressionEdge p = obj as ExpressionEdge;
if ((System.Object)p == null)
{
return(false);
}
return(Equals(p));
}
public override Boolean IsGraphRelevant(LevelKey myLevelKey, IVertex mySourceDBObject)
{
lock (_Levels)
{
if (!this.ContainsLevelKey(myLevelKey))
{
return false;
}
if (myLevelKey.Level == 0)
{
return this._Levels[myLevelKey.Level].ExpressionLevels[myLevelKey].Nodes.ContainsKey(GenerateVertexInfoFromLevelKeyAndVertexID(mySourceDBObject.VertexTypeID, mySourceDBObject.VertexID));
}
else
{
if (mySourceDBObject != null)
{
VertexInformation mySourceDBObjectNode = GenerateVertexInfoFromLevelKeyAndVertexID(mySourceDBObject.VertexTypeID, mySourceDBObject.VertexID);
var predecessorLevelKey = myLevelKey.GetPredecessorLevel(_iGraphDB, _securityToken, _transactionToken);
if (!this.ContainsLevelKey(predecessorLevelKey))
{
var interestingEdge = new ExpressionEdge(mySourceDBObjectNode, null, predecessorLevelKey.LastEdge);
//take the backwardEdges
return this._Levels[myLevelKey.Level].ExpressionLevels[myLevelKey].Nodes.Where(item => item.Value.BackwardEdges[predecessorLevelKey.LastEdge].Contains(interestingEdge)).Count() > 0;
}
else
{
if (this._Levels[predecessorLevelKey.Level].ExpressionLevels[predecessorLevelKey].Nodes[mySourceDBObjectNode].ForwardEdges.ContainsKey(myLevelKey.LastEdge))
{
if (this._Levels[predecessorLevelKey.Level].ExpressionLevels[predecessorLevelKey].Nodes[mySourceDBObjectNode].ForwardEdges[myLevelKey.LastEdge].Count > 0)
{
return true;
}
else
{
return false;
}
}
else
{
return false;
}
}
}
else
{
throw new ExpressionGraphInternalException("No IVertex givon for graph relevance test in a higher level.");
}
}
}
}
public Boolean Equals(ExpressionEdge p)
{
// If parameter is null return false:
if ((object)p == null)
{
return false;
}
return (this._destination == p.Destination) && (this._direction == p.Direction);
}
