Java tutorial
/* * Copyright 2010-2019 the original author or authors. * * 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 * * https://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 org.springframework.data.mongodb.core; import org.bson.Document; import org.springframework.dao.DataAccessException; import com.mongodb.MongoException; /** * An interface used by {@link MongoTemplate} for processing documents returned from a MongoDB query on a per-document * basis. Implementations of this interface perform the actual work of prcoessing each document but don't need to worry * about exception handling. {@MongoException}s will be caught and translated by the calling MongoTemplate An * DocumentCallbackHandler is typically stateful: It keeps the result state within the object, to be available later for * later inspection. * * @author Mark Pollack * @author Grame Rocher * @author Oliver Gierke * @author John Brisbin * @author Christoph Strobl * @since 1.0 */ public interface DocumentCallbackHandler { void processDocument(Document document) throws MongoException, DataAccessException; }