part1 of opensearch

virtdata-api/src/main/java/io/nosqlbench/adapters/api/templating/TriFunction.java

@@ -0,0 +1,5 @@
+package io.nosqlbench.adapters.api.templating;
+
+public interface TriFunction <A,B,C> {
+    public A apply(A a,B b,C c);
+}

virtdata-api/src/main/java/io/nosqlbench/engine/api/templating/ParsedTemplateMap.java

@@ -1093,5 +1093,15 @@ public class ParsedTemplateMap implements LongFunction<Map<String, ?>>, StaticFi
         return sb.toString();
     }
 
+    public boolean isDefinedExactly(String[] fields) {
+        for (String field : fields) {
+            if (isUndefined(field)) {
+                return false;
+            }
+        }
+        return statics.size() + dynamics.size() == fields.length;
+    }
+
+
 
 }