diff --git a/engine-api/src/main/java/io/nosqlbench/engine/api/activityapi/core/ActivityType.java b/engine-api/src/main/java/io/nosqlbench/engine/api/activityapi/core/ActivityType.java
index 08dfb5760..3f456faef 100644
--- a/engine-api/src/main/java/io/nosqlbench/engine/api/activityapi/core/ActivityType.java
+++ b/engine-api/src/main/java/io/nosqlbench/engine/api/activityapi/core/ActivityType.java
@@ -39,7 +39,7 @@ import java.util.Optional;
  */
 public interface ActivityType<A extends Activity> {
 
-    SimpleServiceLoader<ActivityType> FINDER = new SimpleServiceLoader<ActivityType>(ActivityType.class);
+    SimpleServiceLoader<ActivityType> FINDER = new SimpleServiceLoader<>(ActivityType.class);
 
     /**
      * Create an instance of an activity from the activity type.
diff --git a/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardAction.java b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardAction.java
index d13de4ef9..95207bc89 100644
--- a/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardAction.java
+++ b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardAction.java
@@ -23,10 +23,12 @@ public class StandardAction<A extends StandardActivity<O>, O extends Runnable> i
 
     private final A activity;
     private final OpSource<O> opsource;
+    private final int slot;
 
-    public StandardAction(A activity, OpSource<O> opsource) {
+    public StandardAction(A activity, int slot) {
         this.activity = activity;
-        this.opsource = opsource;
+        this.opsource = activity.getOpSource();
+        this.slot = slot;
     }
 
     @Override
@@ -39,12 +41,12 @@ public class StandardAction<A extends StandardActivity<O>, O extends Runnable> i
 
         int tries = 0;
         int code= 0;
-        Throwable error = null;
         while (tries++ <= activity.getMaxTries()) {
-
+            Throwable error = null;
             long startedAt = System.nanoTime();
             try (Timer.Context ct = activity.getInstrumentation().getOrCreateExecuteTimer().time()) {
                 op.run();
+                break;
             } catch (Exception e) {
                 error = e;
             } finally {
diff --git a/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActionDispenser.java b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActionDispenser.java
new file mode 100644
index 000000000..ce5e238f7
--- /dev/null
+++ b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActionDispenser.java
@@ -0,0 +1,17 @@
+package io.nosqlbench.engine.api.activityimpl.uniform;
+
+import io.nosqlbench.engine.api.activityapi.core.ActionDispenser;
+import io.nosqlbench.engine.api.activityapi.core.Activity;
+
+public class StandardActionDispenser implements ActionDispenser {
+    private final StandardActivity<?> activity;
+
+    public <A extends Activity> StandardActionDispenser(StandardActivity<?> activity) {
+        this.activity = activity;
+    }
+
+    @Override
+    public StandardAction<?,?> getAction(int slot) {
+        return new StandardAction<>(activity,slot);
+    }
+}
diff --git a/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActivity.java b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActivity.java
index 24a7e89ac..a347f4afe 100644
--- a/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActivity.java
+++ b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActivity.java
@@ -1,12 +1,15 @@
 package io.nosqlbench.engine.api.activityimpl.uniform;
 
+import io.nosqlbench.engine.api.activityapi.planning.OpSequence;
 import io.nosqlbench.engine.api.activityapi.planning.OpSource;
-import io.nosqlbench.engine.api.activityconfig.yaml.OpTemplate;
 import io.nosqlbench.engine.api.activityimpl.ActivityDef;
-import io.nosqlbench.engine.api.activityimpl.DiagRunnableOpMapper;
 import io.nosqlbench.engine.api.activityimpl.OpDispenser;
 import io.nosqlbench.engine.api.activityimpl.SimpleActivity;
+import io.nosqlbench.engine.api.templating.ParsedCommand;
+import io.nosqlbench.nb.api.errors.OpConfigError;
 
+import java.util.List;
+import java.util.Map;
 import java.util.function.Function;
 
 /**
@@ -16,28 +19,37 @@ import java.util.function.Function;
  *
  * @param <O> A type of runnable which wraps the operations for this type of driver.
  */
-public abstract class StandardActivity<O extends Runnable> extends SimpleActivity {
+public class StandardActivity<O extends Runnable> extends SimpleActivity {
 
-    private OpSource<O> opsource;
+    private final DriverAdapter<O> adapter;
+    private final OpSource<O> opsource;
 
-    public StandardActivity(ActivityDef activityDef) {
+    public StandardActivity(DriverAdapter<O> adapter, ActivityDef activityDef) {
         super(activityDef);
+        this.adapter = adapter;
+
+        try {
+            Function<ParsedCommand, OpDispenser<O>> opmapper = adapter.getOpMapper();
+            Function<Map<String, Object>, Map<String, Object>> preprocessor = adapter.getPreprocessor();
+            OpSequence<OpDispenser<O>> seq = createOpSourceFromCommands(opmapper,List.of(preprocessor));
+            opsource= OpSource.of(seq);
+        } catch (Exception e) {
+            if (e instanceof OpConfigError) {
+                throw e;
+            } else {
+                throw new OpConfigError("Error mapping workload template to operations: " + e.getMessage(), null, e);
+            }
+        }
     }
 
-    public synchronized OpSource<O> getOpsource() {
-        if (this.opsource == null) {
-            Function<OpTemplate, OpDispenser<O>> dispenserMapper = getOpMapperFunction();
-        }
+    public OpSource<O> getOpSource() {
         return opsource;
     }
 
-    protected abstract Function<OpTemplate, OpDispenser<O>> getOpMapperFunction();
-
-
-    public Function<OpTemplate, OpDispenser<? extends Runnable>> getRunnableOpFunction() {
-        DiagRunnableOpMapper mapper = new DiagRunnableOpMapper();
-        return mapper::apply;
-    }
+//    public Function<OpTemplate, OpDispenser<? extends Runnable>> getRunnableOpFunction() {
+//        DiagRunnableOpMapper mapper = new DiagRunnableOpMapper();
+//        return mapper::apply;
+//    }
 
 
 }
diff --git a/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActivityType.java b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActivityType.java
new file mode 100644
index 000000000..c3f2c1675
--- /dev/null
+++ b/engine-api/src/main/java/io/nosqlbench/engine/api/activityimpl/uniform/StandardActivityType.java
@@ -0,0 +1,26 @@
+package io.nosqlbench.engine.api.activityimpl.uniform;
+
+import io.nosqlbench.engine.api.activityapi.core.ActionDispenser;
+import io.nosqlbench.engine.api.activityapi.core.ActivityType;
+import io.nosqlbench.engine.api.activityimpl.ActivityDef;
+import io.nosqlbench.nb.api.spi.SimpleServiceLoader;
+
+public class StandardActivityType<A extends StandardActivity<?>> implements ActivityType<A> {
+
+    public static SimpleServiceLoader<DriverAdapter> FINDER = new SimpleServiceLoader<DriverAdapter>(DriverAdapter.class);
+    private final DriverAdapter<?> adapter;
+
+    public StandardActivityType(DriverAdapter<?> adapter) {
+        this.adapter = adapter;
+    }
+
+    @Override
+    public A getActivity(ActivityDef activityDef) {
+        return (A) new StandardActivity(adapter,activityDef);
+    }
+
+    @Override
+    public ActionDispenser getActionDispenser(A activity) {
+        return new StandardActionDispenser(activity);
+    }
+}