killbill-memoizeit

diff --git a/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestTag.java b/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestTag.java
index 2d494f5..d46a568 100644
--- a/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestTag.java
+++ b/profiles/killbill/src/test/java/org/killbill/billing/jaxrs/TestTag.java
@@ -168,6 +168,20 @@ public class TestTag extends TestJaxrsBase {
         }
     }
 
+    @Test(groups = "slow", description = "Cannot create a control tag against wrong object type")
+    public void testNotApplicableType() throws Exception {
+
+        final Account account = createAccount();
+        try {
+            accountApi.createAccountTags(account.getAccountId(), ImmutableList.<UUID>of(ControlTagType.WRITTEN_OFF.getId()), requestOptions);
+            Assert.fail("Creating a (control) tag against a wrong object type should fail");
+        } catch (final Exception e) {
+            Assert.assertTrue(true);
+        }
+    }
+
+
+
     @Test(groups = "slow", description = "retrieve account logs")
     public void testGetTagAuditLogsWithHistory() throws Exception {
         final Account accountJson = createAccount();

diff --git a/util/src/main/java/org/killbill/billing/util/tag/dao/DefaultTagDao.java b/util/src/main/java/org/killbill/billing/util/tag/dao/DefaultTagDao.java
index bb6c9f0..9cb4bdc 100644
--- a/util/src/main/java/org/killbill/billing/util/tag/dao/DefaultTagDao.java
+++ b/util/src/main/java/org/killbill/billing/util/tag/dao/DefaultTagDao.java
@@ -201,9 +201,27 @@ public class DefaultTagDao extends EntityDaoBase<TagModelDao, Tag, TagApiExcepti
 
     @Override
     public void create(final TagModelDao entity, final InternalCallContext context) throws TagApiException {
+
+        validateApplicableObjectTypes(entity.getTagDefinitionId(), entity.getObjectType());
         transactionalSqlDao.execute(false, TagApiException.class, getCreateEntitySqlDaoTransactionWrapper(entity, context));
     }
 
+    private void validateApplicableObjectTypes(final UUID tagDefinitionId, final ObjectType objectType) throws TagApiException {
+
+        final ControlTagType controlTagType = Iterables.tryFind(ImmutableList.<ControlTagType>copyOf(ControlTagType.values()), new Predicate<ControlTagType>() {
+            @Override
+            public boolean apply(final ControlTagType input) {
+                return input.getId().equals(tagDefinitionId);
+            }
+        }).orNull();
+
+        if (controlTagType != null && !controlTagType.getApplicableObjectTypes().contains(objectType)) {
+            // TODO Add missing ErrorCode.TAG_NOT_APPLICABLE
+            // throw new TagApiException(ErrorCode.TAG_NOT_APPLICABLE);
+            throw new IllegalStateException(String.format("Invalid control tag '%s' for object type '%s'", controlTagType.name(), objectType));
+        }
+    }
+
     @Override
     public void deleteTag(final UUID objectId, final ObjectType objectType, final UUID tagDefinitionId, final InternalCallContext context) throws TagApiException {