IBaseNode IDecisionTree.LoadVariables(IPersistence persistence)
{
if (persistence.NextRecord())
{
string type = persistence.GetFieldValue(Constants.BaseNode_ClassType, Constants.BaseNode_ClassType);
IBaseNode node = IDecisionTreeInterface.CreateNewNode(type);
node.Reference = persistence.GetFieldValue(Constants.BaseNode_Reference, new Guid().ToString());
int count = persistence.GetFieldValue(Constants.BaseNode_NodeCount, 0);
node.NodeType = (eNodeType)Enum.Parse(typeof(eNodeType), persistence.GetFieldValue(Constants.BaseNode_Type, eNodeType.unknown.ToString()), true);
node.Name = persistence.GetFieldValue(Constants.BaseNode_Name, "");
node.Parent = this;
node.Tree = this;
if (persistence.NextRecord())
{
type = persistence.GetFieldValue(Constants.BaseNode_ClassType, Constants.BaseNode_ClassType);
IBaseNode variables = IDecisionTreeInterface.CreateNewNode(type);
variables.Parent = node;
variables.Tree = this;
variables.Retrieve(persistence);
return(variables);
}
}
return(null);
}
protected virtual bool Retrieve(IPersistence persistence, ref ePersistence phase)
{
switch (phase)
{
case ePersistence.Initial:
Reference = persistence.GetFieldValue(Constants.BaseNode_Reference, new Guid().ToString());
count = persistence.GetFieldValue(Constants.BaseNode_NodeCount, 0);
if (NodeType == eNodeType.unknown)
{
NodeType = (eNodeType)Enum.Parse(typeof(eNodeType), persistence.GetFieldValue(Constants.BaseNode_Type, eNodeType.unknown.ToString()), true);
}
_Name = persistence.GetFieldValue(Constants.BaseNode_Name, "");
_Description = persistence.GetFieldValue(Constants.BaseNode_Description, "");
break;
case ePersistence.Final:
if (!IsReadOnly())
{
for (int i = 0; i < count; i++)
{
if (persistence.NextRecord())
{
string type = persistence.GetFieldValue(Constants.BaseNode_ClassType, Constants.BaseNode_ClassType);
IBaseNode node = Tree.CreateNewNode(type);
node.NodeLoaded += NodeLoaded;
node.Parent = this;
Nodes.Add(node);
node.Retrieve(persistence);
}
}
OnNodeLoaded();
}
break;
}
return(true);
}