/*
* Copyright 2012 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
*
* 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.springframework.batch.item.database;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.sql.DataSource;
import org.junit.runner.RunWith;
import org.springframework.batch.item.AbstractItemStreamItemReaderTests;
import org.springframework.batch.item.ExecutionContext;
import org.springframework.batch.item.ItemReader;
import org.springframework.batch.item.database.support.HsqlPagingQueryProvider;
import org.springframework.batch.item.sample.Foo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.simple.ParameterizedRowMapper;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Dave Syer
* @author Thomas Risberg
* @author Michael Minella
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class JdbcPagingItemReaderCommonTests extends AbstractItemStreamItemReaderTests {
@Autowired
private DataSource dataSource;
@Override
protected ItemReader<Foo> getItemReader() throws Exception {
JdbcPagingItemReader<Foo> reader = new JdbcPagingItemReader<Foo>();
reader.setDataSource(dataSource);
HsqlPagingQueryProvider queryProvider = new HsqlPagingQueryProvider();
queryProvider.setSelectClause("select ID, NAME, VALUE");
queryProvider.setFromClause("from T_FOOS");
Map<String, Order> sortKeys = new LinkedHashMap<String, Order>();
sortKeys.put("ID", Order.ASCENDING);
queryProvider.setSortKeys(sortKeys);
reader.setQueryProvider(queryProvider);
reader.setRowMapper(
new ParameterizedRowMapper<Foo>() {
@Override
public Foo mapRow(ResultSet rs, int i) throws SQLException {
Foo foo = new Foo();
foo.setId(rs.getInt(1));
foo.setName(rs.getString(2));
foo.setValue(rs.getInt(3));
return foo;
}
}
);
reader.setPageSize(3);
reader.afterPropertiesSet();
reader.setSaveState(true);
return reader;
}
@Override
protected void pointToEmptyInput(ItemReader<Foo> tested) throws Exception {
JdbcPagingItemReader<Foo> reader = (JdbcPagingItemReader<Foo>) tested;
reader.close();
reader.setDataSource(dataSource);
HsqlPagingQueryProvider queryProvider = new HsqlPagingQueryProvider();
queryProvider.setSelectClause("select ID, NAME, VALUE");
queryProvider.setFromClause("from T_FOOS");
queryProvider.setWhereClause("where ID = -1");
Map<String, Order> sortKeys = new LinkedHashMap<String, Order>();
sortKeys.put("ID", Order.ASCENDING);
queryProvider.setSortKeys(sortKeys);
reader.setQueryProvider(queryProvider);
reader.setPageSize(3);
reader.afterPropertiesSet();
reader.open(new ExecutionContext());
}
}