Show registered workflows and Activities

sdk-workflows/src/main/java/io/dapr/workflows/runtime/WorkflowRuntimeBuilder.java

@@ -18,11 +18,18 @@
 import io.dapr.workflows.Workflow;
 import io.dapr.workflows.internal.ApiTokenClientInterceptor;
 import io.grpc.ClientInterceptor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.util.HashSet;
+import java.util.Set;
 
 public class WorkflowRuntimeBuilder {
   private static volatile WorkflowRuntime instance;
   private DurableTaskGrpcWorkerBuilder builder;
   private static ClientInterceptor WORKFLOW_INTERCEPTOR = new ApiTokenClientInterceptor();
+  private static final Logger LOGGER = LoggerFactory.getLogger(WorkflowRuntimeBuilder.class);
+  private volatile Set<String> activitySet = new HashSet<String>(); 
+  private volatile Set<String> workflowSet = new HashSet<String>(); 
 
   public WorkflowRuntimeBuilder() {
     this.builder = new DurableTaskGrpcWorkerBuilder().grpcChannel(
@@ -42,6 +49,8 @@ public WorkflowRuntime build() {
         }
       }
     }
+    LOGGER.info("List of registered workflows: " + this.workflowSet);
+    LOGGER.info("List of registered activites: " + this.activitySet);
     return instance;
   }
 
@@ -56,7 +65,7 @@ public <T extends Workflow> WorkflowRuntimeBuilder registerWorkflow(Class<T> cla
     this.builder = this.builder.addOrchestration(
         new OrchestratorWrapper<>(clazz)
     );
-
+    this.workflowSet.add(clazz.getCanonicalName());
     return this;
   }
 
@@ -70,5 +79,6 @@ public <T extends WorkflowActivity> void registerActivity(Class<T> clazz) {
     this.builder = this.builder.addActivity(
         new ActivityWrapper<>(clazz)
     );
+    this.activitySet.add(clazz.getCanonicalName());
   }
 }