Simplify methods in mongodb

Signed-off-by: Otavio Santana <[email protected]>

Author: otaviojava

mongodb-driver/src/main/java/org/eclipse/jnosql/communication/mongodb/document/MongoDBDocumentCollectionManagerFactory.java

@@ -42,9 +42,7 @@ public void close() {
 
     @Override
     public String toString() {
-        final StringBuilder sb = new StringBuilder("MongoDBDocumentCollectionManagerFactory{");
-        sb.append("mongoClient=").append(mongoClient);
-        sb.append('}');
-        return sb.toString();
+       return "MongoDBDocumentCollectionManagerFactory{" + "mongoClient=" + mongoClient +
+                '}';
     }
 }

mongodb-driver/src/main/java/org/eclipse/jnosql/communication/mongodb/document/MongoDBUtils.java

@@ -43,7 +43,7 @@ private MongoDBUtils() {
 
     static Document getDocument(DocumentEntity entity) {
         Document document = new Document();
-        entity.getDocuments().stream().forEach(d -> document.append(d.getName(), convert(d.getValue())));
+        entity.getDocuments().forEach(d -> document.append(d.getName(), convert(d.getValue())));
         return document;
     }
 

mongodb-driver/src/test/java/org/eclipse/jnosql/communication/mongodb/document/MongoDBDocumentCollectionManagerTest.java

@@ -94,7 +94,7 @@ public void shouldRemoveEntity() {
                 .build();
 
         entityManager.delete(deleteQuery);
-        assertTrue(entityManager.select(query).collect(Collectors.toList()).isEmpty());
+        assertTrue(entityManager.select(query).count() == 0);
     }
 
     @Test