/// <summary>
/// Invokes named rule in a specified rulePointPath.
/// </summary>
/// <typeparam name="T">Return type</typeparam>
/// <param name="rulePointPath">The path of rule point which contains the named rule.</param>
/// <param name="ruleName">The name of the rule</param>
/// <param name="arguments">The arguments required by this rule</param>
/// <returns>The execution result of the named rule, or default(T) if the rule does not exist"/></returns>
public T InvokeNamedRule <T>(string rulePointPath, string ruleName, Dictionary <string, object> arguments)
{
if (String.IsNullOrEmpty(rulePointPath))
{
throw new ArgumentNullException("rulePointPath"); // NOXLATE
}
if (String.IsNullOrEmpty(ruleName))
{
throw new ArgumentNullException("ruleName"); // NOXLATE
}
if (arguments == null)
{
throw new ArgumentNullException("arguments"); // NOXLATE
}
RulePoint parentRulePoint = GetRulePoint(rulePointPath);
if (parentRulePoint == null)
{
return(default(T));
}
NamedRule namedRule = parentRulePoint.GetNamedRule(ruleName);
if (namedRule == null)
{
return(default(T));
}
return(InvokeRule <T>(namedRule, arguments));
}
/// <summary>
/// Removes named rule by given name.
/// </summary>
/// <param name="name">The name of named rule to remove</param>
public void RemoveNamedRule(string name)
{
NamedRule theOneToRemove = GetNamedRule(name);
if (theOneToRemove != null)
{
Owner.Storage.RemoveNamedRule(theOneToRemove);
}
else
{
throw new ArgumentException(String.Format(Properties.Resources.NamedRuleNotExist, name));
}
}
/// <summary>
/// Creates named rule as child of this rule point.
/// </summary>
/// <param name="name">Name of the new one.</param>
/// <returns>The newly-created named rule.</returns>
public NamedRule CreateNamedRule(string name)
{
if (HasChild(name))
{
throw new ArgumentException(String.Format(Properties.Resources.NamedRuleAlreadyExists, name));
}
NamedRule newOne = new NamedRule(Owner, name, this);
try
{
var defaultWorkflow = newOne.Signature.CreateDefaultRoutine();
defaultWorkflow.Name = RuleClassName;
Owner.Storage.SetNamedRule(newOne, defaultWorkflow);
}
catch (Exception ex)
{
throw new Exception(Properties.Resources.FailToAddSubRule, ex);
}
return(newOne);
}
public void RemoveNamedRule(NamedRule theOneToRemove)
{
throw new NotImplementedException();
}
public void SetNamedRule(NamedRule namedRule, System.Activities.DynamicActivity workflow)
{
throw new NotImplementedException();
}
/// <summary>
/// Called when a named rule is called.
/// </summary>
/// <param name="rule">The named rule being called.</param>
public virtual void OnInvokingNamedRule(NamedRule rule)
{
_log.AppendLine(String.Format("{0} Invoking subrule: {1}: {2}", _indent, rule.DisplayName, rule.Path)); //NOXLATE
}
/// <summary>
/// Initializes a new instance of Autodesk.IM.Rule.NamedRuleExpressionItem class with
/// specified named rule.
/// </summary>
/// <param name="item">The specified named rule which will used in an expression.</param>
public NamedRuleExpressionItem(NamedRule item)
{
this._item = item;
}
