fixes couchbase implementation

Author: otaviojava

couchbase-driver/src/main/java/org/jnosql/diana/couchbase/document/DefaultCouchbaseDocumentCollectionManager.java

@@ -122,6 +122,11 @@ public List<DocumentEntity> select(DocumentQuery query) throws NullPointerExcept
         return entities;
     }
 
+    @Override
+    public long count(String documentCollection) {
+       throw new UnsupportedOperationException("Couchbase does not support count method by document collection");
+    }
+
 
     @Override
     public List<DocumentEntity> n1qlQuery(String n1qlQuery, JsonObject params) throws NullPointerException {

couchbase-driver/src/main/java/org/jnosql/diana/couchbase/document/DefaultCouchbaseDocumentCollectionManagerAsync.java

@@ -103,6 +103,11 @@ public void select(DocumentQuery query, Consumer<List<DocumentEntity>> callBack)
         just(query).map(manager::select).subscribe(callBack::accept, ERROR_FIND);
     }
 
+    @Override
+    public void count(String documentCollection, Consumer<Long> callback) {
+        throw new UnsupportedOperationException("Couchbase does not support count method by document collection");
+    }
+
 
     @Override
     public void n1qlQuery(String n1qlQuery, JsonObject params, Consumer<List<DocumentEntity>> callback) throws NullPointerException, ExecuteAsyncQueryException {