public override Boolean IsGraphRelevant(LevelKey myLevelKey, DBObjectStream mySourceDBObject) { lock (_Levels) { if (!this.ContainsLevelKey(myLevelKey)) { return false; } if (myLevelKey.Level == 0) { return this._Levels[myLevelKey.Level].ExpressionLevels[myLevelKey].Nodes.ContainsKey(mySourceDBObject.ObjectUUID); } else { if (mySourceDBObject != null) { var predecessorLevelKey = myLevelKey.GetPredecessorLevel(_DBContext.DBTypeManager); if (!this.ContainsLevelKey(predecessorLevelKey)) { var interestingEdge = new ExpressionEdge(mySourceDBObject.ObjectUUID, null, predecessorLevelKey.LastEdge); //take the backwardEdges return this._Levels[myLevelKey.Level].ExpressionLevels[myLevelKey].Nodes.Exists(item => item.Value.BackwardEdges[predecessorLevelKey.LastEdge].Contains(interestingEdge)); } else { if (this._Levels[predecessorLevelKey.Level].ExpressionLevels[predecessorLevelKey].Nodes[mySourceDBObject.ObjectUUID].ForwardEdges.ContainsKey(myLevelKey.LastEdge)) { if (this._Levels[predecessorLevelKey.Level].ExpressionLevels[predecessorLevelKey].Nodes[mySourceDBObject.ObjectUUID].ForwardEdges[myLevelKey.LastEdge].Count > 0) { return true; } else { return false; } } else { return false; } } } else { throw new GraphDBException(new Error_ExpressionGraphInternal(new System.Diagnostics.StackTrace(true), "No DBObjectStream 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); }