Changeset 11742 for branches/HeuristicLab.Problems.GrammaticalOptimization/HeuristicLab.Algorithms.GrammaticalOptimization/AlternativesContextSampler.cs

Timestamp:

01/09/15 14:57:28 (9 years ago)

Author:

gkronber

Message:

#2283 refactoring

File:

• branches/HeuristicLab.Problems.GrammaticalOptimization/HeuristicLab.Algorithms.GrammaticalOptimization/AlternativesContextSampler.cs (modified) (3 diffs)

branches/HeuristicLab.Problems.GrammaticalOptimization/HeuristicLab.Algorithms.GrammaticalOptimization/AlternativesContextSampler.cs

@@ -17 +17 @@
     private readonly Random random;
     private readonly int contextLen;
-    private readonly IPolicy policy;
+    private readonly IBanditPolicy policy;
 
-    public AlternativesContextSampler(IProblem problem, Random random, int maxLen, int contextLen, IPolicy policy) {
+    public AlternativesContextSampler(IProblem problem, Random random, int maxLen, int contextLen, IBanditPolicy policy) {
       this.maxLen = maxLen;
       this.problem = problem;
@@ -45 +45 @@
 
 
-    private Dictionary<string, IPolicyActionInfo[]> contextActionInfos;
+    private Dictionary<string, IBanditPolicyActionInfo[]> contextActionInfos;
     private List<Tuple<string, int>> updateChain;
 
     private void InitPolicies(IGrammar grammar) {
-      this.contextActionInfos = new Dictionary<string, IPolicyActionInfo[]>();
+      this.contextActionInfos = new Dictionary<string, IBanditPolicyActionInfo[]>();
       this.updateChain = new List<Tuple<string, int>>();
     }
@@ -82 +82 @@
           var endIdx = Math.Min(startIdx + contextLen, ntIdx);
           var lft = phrase.Subsequence(startIdx, endIdx - startIdx + 1).ToString();
-          lft = problem.Hash(lft);
+          lft = problem.CanonicalRepresentation(lft);
           if (!contextActionInfos.ContainsKey(lft)) {
             contextActionInfos.Add(lft, g.GetAlternatives(nt).Select(_ => policy.CreateActionInfo()).ToArray());