Java tutorial
/* * Copyright 2008-present MongoDB, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.mongodb; import org.bson.BSONObject; /** * This interface adds some specific behaviour to {@link org.bson.BSONObject} for MongoDB documents. * * @mongodb.driver.manual core/document/ Documents */ public interface DBObject extends BSONObject { /** * If this object was retrieved with only some fields (using a field filter) this method will be called to mark it as such. */ void markAsPartialObject(); /** * Whether {@link #markAsPartialObject} was ever called only matters if you are going to upsert and do not want to risk losing fields. * * @return true if this has been marked as a partial object */ boolean isPartialObject(); }