/// <summary> /// Returns nodes by rules. /// </summary> /// <typeparam name="TFactRule">FatcRule type.</typeparam> /// <typeparam name="TWantAction">WantAction type.</typeparam> /// <typeparam name="TFactContainer">FactContainer type.</typeparam> /// <param name="rules">List of rule.</param> /// <param name="treeByFactRule">Rule tree.</param> /// <param name="parentNode">Parent node.</param> /// <returns>Node list.</returns> public static List <NodeByFactRule <TFactRule> > GetNodesByRules <TFactRule, TWantAction, TFactContainer>(this IEnumerable <TFactRule> rules, NodeByFactRule <TFactRule> parentNode, TreeByFactRule <TFactRule, TWantAction, TFactContainer> treeByFactRule) where TFactRule : IFactRule where TWantAction : IWantAction where TFactContainer : IFactContainer { var context = treeByFactRule.Context; var result = new List <NodeByFactRule <TFactRule> >(); foreach (var rule in rules) { NodeByFactRuleInfo <TFactRule> nodeInfo = treeByFactRule.NodeInfos.FirstOrDefault(nInfo => nInfo.Rule.EqualsWork(rule, context.WantAction, context.Container)); if (nodeInfo == null) { nodeInfo = new NodeByFactRuleInfo <TFactRule> { Rule = rule, BuildSuccessConditions = new List <IBuildConditionFact>(rule.InputFactTypes.Count(type => type.IsFactType <IBuildConditionFact>())), BuildFailedConditions = new List <IBuildConditionFact>(), RuntimeConditions = new List <IRuntimeConditionFact>(rule.InputFactTypes.Count(type => type.IsFactType <IRuntimeConditionFact>())), RequiredFactTypes = context.SingleEntity.GetRequiredTypesOfFacts(rule, context).ToList(), CompatibleRules = rule.GetCompatibleRulesEx(context.FactRules, context), } } ; result.Add(new NodeByFactRule <TFactRule> { Childs = new List <NodeByFactRule <TFactRule> >(), Info = nodeInfo, Parent = parentNode, }); } return(result); }
public void Initialize() { Rule = GetFactRule((Priority1 p, Fact1 f) => new FactResult(f.Value + p)); NodeInfo = new NodeByFactRuleInfo <FactRule> { BuildFailedConditions = new List <IBuildConditionFact>(), Rule = Rule, BuildSuccessConditions = new List <IBuildConditionFact>(), RuntimeConditions = new List <IRuntimeConditionFact>(), }; Node = new NodeByFactRule <FactRule> { Childs = new List <NodeByFactRule <FactRule> >(), Info = NodeInfo, Parent = null, }; Context = GetWantActionContext( GetWantAction((FactResult result) => { }), new FactContainer { new Priority1(), new Priority2(), }); }
/// <inheritdoc/> public virtual bool TryBuildTreeForFactInfo <TFactRule, TWantAction, TFactContainer>(BuildTreeForFactInfoRequest <TFactRule, TWantAction, TFactContainer> request, out TreeByFactRule <TFactRule, TWantAction, TFactContainer> treeResult, out List <DeriveFactErrorDetail> deriveFactErrorDetails) where TFactRule : IFactRule where TWantAction : IWantAction where TFactContainer : IFactContainer { var context = request.Context; treeResult = null; deriveFactErrorDetails = null; // find the rules that can calculate the fact List <TreeByFactRule <TFactRule, TWantAction, TFactContainer> > treesByWantFactType = request.GetTreesByRequest(); var treeReady = treesByWantFactType.FirstOrDefault(tree => tree.Status == TreeStatus.Built); if (treeReady != null) { treeResult = treeReady; return(true); } List <List <IFactType> > notFoundFactSet = treesByWantFactType.ConvertAll(item => new List <IFactType>()); var allFinichedNodes = new Dictionary <NodeByFactRuleInfo <TFactRule>, NodeByFactRule <TFactRule> >(); while (true) { for (int i = treesByWantFactType.Count - 1; i >= 0; i--) { var treeByWantFactType = treesByWantFactType[i]; if (treeByWantFactType.Status != TreeStatus.BeingBuilt) { continue; } int lastlevelNumber = treeByWantFactType.Levels.Count - 1; // If after synchronization we can calculate the tree. if (TrySyncTreeLevelsAndFinishedNodes(treeByWantFactType, lastlevelNumber, allFinichedNodes)) { treeByWantFactType.Built(); continue; } List <NodeByFactRule <TFactRule> > lastTreeLevel = treeByWantFactType.Levels[lastlevelNumber]; // If in the last level there are no nodes for calculation, then the tree can be calculated. if (lastTreeLevel.Count == 0) { treeByWantFactType.Built(); continue; } // Next level nodes. var nextTreeLevel = new List <NodeByFactRule <TFactRule> >(); var currentLevelFinishedNodes = new Dictionary <NodeByFactRuleInfo <TFactRule>, NodeByFactRule <TFactRule> >(); bool cannotDerived = false; for (int j = 0; j < lastTreeLevel.Count; j++) { NodeByFactRule <TFactRule> node = lastTreeLevel[j]; NodeByFactRuleInfo <TFactRule> nodeInfo = node.Info; Dictionary <NodeByFactRuleInfo <TFactRule>, NodeByFactRule <TFactRule> > copatibleAllFinishedNodes = nodeInfo.GetCompatibleFinishedNodes(allFinichedNodes, context); List <IFactType> needFacts = nodeInfo .RequiredFactTypes .FindAll(needFactType => !CanRemoveFromNeedFactTypes(needFactType, node, context, copatibleAllFinishedNodes)); // If the rule can be calculated from the parameters in the container, then add the node to the list of complete. if (needFacts.IsNullOrEmpty()) { allFinichedNodes.Add(node.Info, node); currentLevelFinishedNodes.Add(node.Info, node); continue; } bool canTryRemoveNode = false; foreach (var needFact in needFacts) { if (needFact.IsFactType <ISpecialFact>()) { if (!canTryRemoveNode) { canTryRemoveNode = true; } notFoundFactSet[i].Add(needFact); continue; } var needRules = nodeInfo .CompatibleRules .FindAll(rule => rule.OutputFactType.EqualsFactType(needFact) && !rule.RuleContainBranch(node)); if (needRules.Count > 0) { List <NodeByFactRule <TFactRule> > nodes = needRules.GetNodesByRules(node, treeByWantFactType); nextTreeLevel.AddRange(nodes); node.Childs.AddRange(nodes); } else { if (!canTryRemoveNode) { canTryRemoveNode = true; } notFoundFactSet[i].Add(needFact); } } if (canTryRemoveNode) { // Is there a neighboring node capable of deriving this fact. cannotDerived = TryRemoveRootNode(node, treeByWantFactType, lastlevelNumber); j--; } } if (cannotDerived) { treeByWantFactType.Cencel(); } else if (currentLevelFinishedNodes.Count > 0) { if (TrySyncTreeLevelsAndFinishedNodes(treeByWantFactType, lastlevelNumber, currentLevelFinishedNodes)) { treeByWantFactType.Built(); } else if (nextTreeLevel.Count > 0) { SyncTreeLevelAndFinishedNodes(nextTreeLevel, currentLevelFinishedNodes, context); treeByWantFactType.Levels.Add(nextTreeLevel); } } else if (nextTreeLevel.Count > 0) { treeByWantFactType.Levels.Add(nextTreeLevel); } else { treeByWantFactType.Built(); } } List <TreeByFactRule <TFactRule, TWantAction, TFactContainer> > builtTrees = treesByWantFactType .FindAll(tree => tree.Status == TreeStatus.Built); if (builtTrees.Count != 0) { var countRuleByBuiltTrees = builtTrees.ToDictionary(tree => tree, tree => tree.GetUniqueRulesFromTree().Count); int minRuleCount = countRuleByBuiltTrees.Min(item => item.Value); var suitableTree = countRuleByBuiltTrees.First(item => item.Value == minRuleCount).Key; foreach (var tree in treesByWantFactType) { if (tree != suitableTree && tree.Status != TreeStatus.Cencel && tree.GetUniqueRulesFromTree().Count >= minRuleCount) { tree.Cencel(); } } if (treesByWantFactType.All(tree => tree.Status != TreeStatus.BeingBuilt)) { treeResult = suitableTree; return(true); } } if (treesByWantFactType.All(tree => tree.Status == TreeStatus.Cencel)) { break; } } deriveFactErrorDetails = new List <DeriveFactErrorDetail>(); foreach (var factSet in notFoundFactSet) { if (factSet.Count != 0) { deriveFactErrorDetails.Add(new DeriveFactErrorDetail(request.WantFactType, factSet.AsReadOnly())); } } return(false); }
internal static Dictionary <NodeByFactRuleInfo <TFactRule>, NodeByFactRule <TFactRule> > GetCompatibleFinishedNodes <TFactRule, TWantAction, TFactContainer>(this NodeByFactRuleInfo <TFactRule> nodeInfo, Dictionary <NodeByFactRuleInfo <TFactRule>, NodeByFactRule <TFactRule> > finishedNodes, IWantActionContext <TWantAction, TFactContainer> context) where TFactRule : IFactRule where TWantAction : IWantAction where TFactContainer : IFactContainer { return(finishedNodes .Where(finishedNode => context.SingleEntity.CompatibleRule(nodeInfo.Rule, finishedNode.Key.Rule, context)) .ToDictionary(finishedNode => finishedNode.Key, finishedNode => finishedNode.Value)); }