private XmlNode WriteConditionToXmlNode(ICondition condition)
{
string conditionName = condition.GetConditionDef().GetConditionName();
XmlElement conditionElement = m_doc.CreateElement(conditionName);
if (condition is AbstractCompositeCondition)
{
if (condition is AbstractMultipleCondition)
{
AbstractMultipleCondition multipleCondition = condition as AbstractMultipleCondition;
foreach (ICondition subCondition in multipleCondition.ConditionList)
{
conditionElement.AppendChild(WriteConditionToXmlNode(subCondition));
}
}
else
{
AbstractSingleCondition singleCondition = condition as AbstractSingleCondition;
conditionElement.AppendChild(
WriteConditionToXmlNode(singleCondition.ConditionList[0]));
}
}
else
{
AbstractAtomicCondition atomicCondition = condition as AbstractAtomicCondition;
conditionElement.SetAttribute(RuleFileConstants.Operator,
atomicCondition.Operator.GetOperatorName());
conditionElement.SetAttribute(RuleFileConstants.Value, atomicCondition.Value);
}
return(conditionElement);
}
private ICondition ProcessConditionNode(XmlNode conditionNode)
{
AbstractConditionManager conditionManager = RuleEngine.GetConditionManager();
ICondition condition = conditionManager.CreateCondition(conditionNode.Name);
if (condition is AbstractCompositeCondition)
{
if (condition is AbstractMultipleCondition)
{
AbstractMultipleCondition multipleCondition =
condition as AbstractMultipleCondition;
foreach (XmlNode childConditionNode in conditionNode.ChildNodes)
{
ICondition childCondition = ProcessConditionNode(childConditionNode);
multipleCondition.AppendCondition(childCondition);
}
return(multipleCondition);
}
else
{
AbstractSingleCondition singleCondition =
condition as AbstractSingleCondition;
ICondition childCondition = ProcessConditionNode(conditionNode.ChildNodes[0]);
singleCondition.AppendCondition(childCondition);
return(singleCondition);
}
}
else
{
AbstractAtomicCondition atomicCondition = condition as AbstractAtomicCondition;
string operatorName = conditionNode.Attributes[RuleFileConstants.Operator].InnerText;
atomicCondition.Operator = RuleEngine.GetOperatorManager().GetOperator(operatorName);
atomicCondition.Value =
conditionNode.Attributes[RuleFileConstants.Value].InnerText;
return(atomicCondition);
}
}