public override void Assign(object value, IGraphProcessingEnvironment procEnv)
{
IGraphElement elem = (IGraphElement)DestVar.GetVariableValue(procEnv);
AttributeType attrType;
value = ContainerHelper.IfAttributeOfElementIsContainerThenCloneContainer(
elem, AttributeName, value, out attrType);
AttributeChangeType changeType = AttributeChangeType.Assign;
if (elem is INode)
{
procEnv.Graph.ChangingNodeAttribute((INode)elem, attrType, changeType, value, null);
}
else
{
procEnv.Graph.ChangingEdgeAttribute((IEdge)elem, attrType, changeType, value, null);
}
elem.SetAttribute(AttributeName, value);
if (elem is INode)
{
procEnv.Graph.ChangedNodeAttribute((INode)elem, attrType);
}
else
{
procEnv.Graph.ChangedEdgeAttribute((IEdge)elem, attrType);
}
}
/////////////////////////////////////////////////////////////////////////////////
public static void AssignAttribute(object target, object value, string attributeName, IGraph graph)
{
if (target is IGraphElement)
{
IGraphElement elem = (IGraphElement)target;
AttributeType attrType;
value = ContainerHelper.IfAttributeOfElementIsContainerThenCloneContainer(
elem, attributeName, value, out attrType);
BaseGraph.ChangingAttributeAssign(graph, elem, attrType, value);
elem.SetAttribute(attributeName, value);
BaseGraph.ChangedAttribute(graph, elem, attrType);
}
else if (target is IObject)
{
IObject elem = (IObject)target;
AttributeType attrType = elem.Type.GetAttributeType(attributeName);
BaseGraph.ChangingAttributeAssign(graph, elem, attrType, value);
elem.SetAttribute(attributeName, value);
}
else //if(target is ITransientObject)
{
ITransientObject elem = (ITransientObject)target;
elem.SetAttribute(attributeName, value);
}
}
public static object GetGraphElementAttributeOrElementOfMatch(object source, string attributeOrElementName)
{
if (source is IMatch)
{
IMatch match = (IMatch)source;
object value = match.getNode(attributeOrElementName);
if (value != null)
{
return(value);
}
value = match.getEdge(attributeOrElementName);
if (value != null)
{
return(value);
}
value = match.getVariable(attributeOrElementName);
return(value);
}
else
{
IGraphElement elem = (IGraphElement)source;
object value = elem.GetAttribute(attributeOrElementName);
value = ContainerHelper.IfAttributeOfElementIsContainerThenCloneContainer(
elem, attributeOrElementName, value);
return(value);
}
}
public static object GetAttributeOrElementOfMatch(object source, string attributeOrElementName)
{
if (source is IMatch)
{
IMatch match = (IMatch)source;
object value = match.getNode(attributeOrElementName);
if (value != null)
{
return(value);
}
value = match.getEdge(attributeOrElementName);
if (value != null)
{
return(value);
}
value = match.getVariable(attributeOrElementName);
return(value);
}
else
{
IAttributeBearer attributeBearer = (IAttributeBearer)source;
object value = attributeBearer.GetAttribute(attributeOrElementName);
value = attributeBearer is ITransientObject ? value : ContainerHelper.IfAttributeOfElementIsContainerThenCloneContainer(
attributeBearer, attributeOrElementName, value);
return(value);
}
}
public override void Assign(object value, IGraphProcessingEnvironment procEnv)
{
IGraphElement elem = (IGraphElement)DestVar.GetVariableValue(procEnv);
AttributeType attrType;
value = ContainerHelper.IfAttributeOfElementIsContainerThenCloneContainer(
elem, AttributeName, value, out attrType);
BaseGraph.ChangingAttributeAssign(procEnv.Graph, elem, attrType, value);
elem.SetAttribute(AttributeName, value);
BaseGraph.ChangedAttribute(procEnv.Graph, elem, attrType);
}
