/* * 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 org.jdbi.v3.sqlobject; import static java.util.Arrays.asList; import static org.assertj.core.api.Assertions.assertThat; import java.util.List; import com.google.common.collect.ImmutableList; import org.jdbi.v3.core.rule.H2DatabaseRule; import org.jdbi.v3.core.Handle; import org.jdbi.v3.core.Something; import org.jdbi.v3.core.mapper.SomethingMapper; import org.jdbi.v3.guava.GuavaCollectors; import org.jdbi.v3.sqlobject.config.RegisterCollectorFactory; import org.jdbi.v3.sqlobject.config.RegisterRowMapper; import org.jdbi.v3.sqlobject.customizer.Bind; import org.jdbi.v3.sqlobject.statement.SqlBatch; import org.jdbi.v3.sqlobject.statement.SqlQuery; import org.junit.Before; import org.junit.Rule; import org.junit.Test; public class TestPaging { @Rule public H2DatabaseRule dbRule = new H2DatabaseRule().withPlugin(new SqlObjectPlugin()); private Handle handle; @Before public void setUp() throws Exception { handle = dbRule.getSharedHandle(); } @Test public void pagingExample() throws Exception { Sql sql = handle.attach(Sql.class); int[] rs = sql.insert(asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13), asList("Ami", "Brian", "Cora", "David", "Eric", "Fernando", "Greta", "Holly", "Inigo", "Joy", "Keith", "Lisa", "Molly")); assertThat(rs).hasSize(13).containsOnly(1); List<Something> page_one = sql.loadPage(-1, 5); assertThat(page_one).containsExactly(new Something(1, "Ami"), new Something(2, "Brian"), new Something(3, "Cora"), new Something(4, "David"), new Something(5, "Eric")); List<Something> page_two = sql.loadPage(page_one.get(page_one.size() - 1).getId(), 5); assertThat(page_two).containsExactly(new Something(6, "Fernando"), new Something(7, "Greta"), new Something(8, "Holly"), new Something(9, "Inigo"), new Something(10, "Joy")); } @RegisterRowMapper(SomethingMapper.class) @RegisterCollectorFactory(GuavaCollectors.Factory.class) public interface Sql { @SqlBatch("insert into something (id, name) values (:id, :name)") int[] insert(@Bind("id") Iterable<Integer> ids, @Bind("name") Iterable<String> names); @SqlQuery("select id, name from something where id > :end_of_last_page order by id limit :size") ImmutableList<Something> loadPage(@Bind("end_of_last_page") int last, @Bind("size") int size); } }