public interface FlowValidator {
 
        /**
-        * Names of items to be validated
+        * Should this validator run for given bb
         * @return
         */
-       public Set<String> forItems();
+       public boolean shouldRunFor(String bbName);
        
        /**
         * Determines whether or not the workflow should be executed
 
        protected List<FlowValidator> filterValidators(List<? extends FlowValidator> validators, String bbName) {
                return validators.stream()
                                .filter(item -> {
-                                       return item.forItems().contains(bbName);
+                                       return item.shouldRunFor(bbName);
                                })
                                .sorted(Comparator.comparing(item -> {
                                        Priority p = Optional.ofNullable(item.getClass().getAnnotation(Priority.class)).orElse(new Priority() {
 
 public class MyPreValidatorFour implements PreBuildingBlockValidator {
 
        @Override
-       public Set<String> forItems() {
-               return Collections.singleton("test2");
+       public boolean shouldRunFor(String bbName) {
+               return Collections.singleton("test2").contains(bbName);
        }
 
        @Override
 
 public class MyPreValidatorOne implements PreBuildingBlockValidator {
 
        @Override
-       public Set<String> forItems() {
+       public boolean shouldRunFor(String bbName) {
                
-               return Collections.singleton("test");
+               return Collections.singleton("test").contains(bbName);
        }
 
        @Override
 
 public class MyPreValidatorThree implements PreBuildingBlockValidator {
 
        @Override
-       public Set<String> forItems() {
-               return Collections.singleton("test2");
+       public boolean shouldRunFor(String bbName) {
+               return Collections.singleton("test2").contains(bbName);
        }
 
        @Override
 
 public class MyPreValidatorTwo implements PreBuildingBlockValidator {
 
        @Override
-       public Set<String> forItems() {
-               return Collections.singleton("test");
+       public boolean shouldRunFor(String bbName) {
+               return Collections.singleton("test").contains(bbName);
        }
 
        @Override
 
 public class WorkflowPreValidatorOne implements PreWorkflowValidator {
 
        @Override
-       public Set<String> forItems() {
+       public boolean shouldRunFor(String bbName) {
                
-               return Collections.singleton("test");
+               return Collections.singleton("test").contains(bbName);
        }
 
        @Override
 
 public class WorkflowPreValidatorTwo implements PreWorkflowValidator {
 
        @Override
-       public Set<String> forItems() {
-               return Collections.singleton("test");
+       public boolean shouldRunFor(String bbName) {
+               return Collections.singleton("test").contains(bbName);
        }
 
        @Override