work work ... haaaard work

src/Policy/StellaOps.Policy.Engine/Services/PolicyEvaluationService.cs

@@ -1,24 +1,29 @@
 using System.Collections.Immutable;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using StellaOps.Policy.Engine.Compilation;
 using StellaOps.Policy.Engine.Evaluation;
 
 namespace StellaOps.Policy.Engine.Services;
 
-internal sealed class PolicyEvaluationService
+internal sealed partial class PolicyEvaluationService
 {
     private readonly PolicyEvaluator evaluator = new();
     private readonly PathScopeMetrics _pathMetrics;
+    private readonly ILogger<PolicyEvaluationService> _logger;
 
-    public PolicyEvaluationService() : this(new PathScopeMetrics())
+    public PolicyEvaluationService()
+        : this(new PathScopeMetrics(), NullLogger<PolicyEvaluationService>.Instance)
     {
     }
 
-    public PolicyEvaluationService(PathScopeMetrics pathMetrics)
+    public PolicyEvaluationService(PathScopeMetrics pathMetrics, ILogger<PolicyEvaluationService> logger)
     {
         _pathMetrics = pathMetrics ?? throw new ArgumentNullException(nameof(pathMetrics));
+        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
     }
 
-    public PolicyEvaluationResult Evaluate(PolicyIrDocument document, PolicyEvaluationContext context)
+    internal PolicyEvaluationResult Evaluate(PolicyIrDocument document, PolicyEvaluationContext context)
     {
         if (document is null)
         {