Java tutorial
/* * ============================================================================= * * Copyright (c) 2014, Fernando Aspiazu * * 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 it.f2informatica.pagination.repository.mongodb; import org.springframework.data.domain.Page; import org.springframework.data.domain.PageImpl; import org.springframework.data.domain.Pageable; import org.springframework.data.mongodb.core.MongoOperations; import org.springframework.data.mongodb.repository.query.MongoEntityInformation; import org.springframework.data.mongodb.repository.support.SimpleMongoRepository; import java.io.Serializable; import java.util.List; public class SimpleMongoPaginationRepository<T, ID extends Serializable> extends SimpleMongoRepository<T, ID> implements MongoDBQueryExecutor<T> { public SimpleMongoPaginationRepository(MongoEntityInformation<T, ID> metadata, MongoOperations mongoOperations) { super(metadata, mongoOperations); } @Override public List<T> findAll(MongoQueryPredicate<T> predicate) { return getMongoOperations().findAll(predicate.getEntityClass()); } @Override public Page<T> findAll(MongoQueryPredicate<T> predicate, Pageable pageable) { List<T> content = getMongoOperations().find(predicate.queryPredicate().with(pageable), predicate.getEntityClass()); return new PageImpl<>(content, pageable, getMongoOperations().count(predicate.queryPredicate(), predicate.getEntityClass())); } }