Esempio n. 1
0
        private IEnumerable <ICompiledRule> CompileRule(IReteBuilder reteBuilder, IRuleDefinition ruleDefinition)
        {
            var rules = new List <ICompiledRule>();

            var transformation   = new RuleTransformation();
            var transformedRule  = transformation.Transform(ruleDefinition);
            var ruleDeclarations = transformedRule.LeftHandSide.Exports.ToList();

            var dependencies = transformedRule.DependencyGroup.Dependencies.ToList();
            var terminals    = reteBuilder.AddRule(transformedRule);

            foreach (var terminal in terminals)
            {
                IRuleFilter filter = CompileFilters(transformedRule, ruleDeclarations, terminal.FactMap);

                var rightHandSide = transformedRule.RightHandSide;
                var actions       = new List <IRuleAction>();
                foreach (var action in rightHandSide.Actions)
                {
                    var ruleAction = ExpressionCompiler.CompileAction(action, ruleDeclarations, dependencies, terminal.FactMap);
                    actions.Add(ruleAction);
                }

                var rule = new CompiledRule(ruleDefinition, ruleDeclarations, actions, filter, terminal.FactMap);
                BuildRuleNode(rule, terminal);
                rules.Add(rule);
            }

            return(rules);
        }
Esempio n. 2
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        private ICompiledRule CompileRule(IReteBuilder reteBuilder, IRuleDefinition ruleDefinition)
        {
            var transformation   = new RuleTransformation();
            var transformedRule  = transformation.Transform(ruleDefinition);
            var ruleDeclarations = transformedRule.LeftHandSide.Declarations.ToList();
            var ruleDependencies = transformedRule.DependencyGroup.Dependencies.Select(x => x.Declaration).ToList();

            IEnumerable <IRuleDependency> dependencies = CompileDependencies(transformedRule);
            IEnumerable <ITerminalNode>   terminals    = reteBuilder.AddRule(transformedRule);

            IRuleFilter filter = CompileFilters(transformedRule, ruleDeclarations);

            var rightHandSide = transformedRule.RightHandSide;
            var actions       = new List <IRuleAction>();

            foreach (var action in rightHandSide.Actions)
            {
                var ruleAction = ExpressionCompiler.CompileAction(action, ruleDeclarations, ruleDependencies);
                actions.Add(ruleAction);
            }

            var rule = new CompiledRule(ruleDefinition, ruleDeclarations, actions, dependencies, filter);

            BuildRuleNode(rule, terminals);

            return(rule);
        }
Esempio n. 3
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        public BenchmarkRuleAction()
        {
            Expression <Action <IContext, string, int, decimal> > expression = (c, s, i, d) => PerformAction(c, s, i, d);
            var element = Element.Action(expression);
            var map     = IndexMap.CreateMap(element.Imports, element.Imports);

            _ruleAction = ExpressionCompiler.CompileAction(element, element.Imports.ToList(), new List <DependencyElement>(), map);

            var compiledRule = new CompiledRule(null, element.Imports, new [] { _ruleAction }, null, map);
            var tuple        = ToTuple("abcd", 4, 1.0m);
            var activation   = new Activation(compiledRule, tuple);

            _actionContext = new ActionContext(Context.Session, activation, CancellationToken.None);
        }