/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* 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.seasar.extension.jdbc.handler;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.seasar.extension.jdbc.DbmsDialect;
import org.seasar.extension.jdbc.PropertyType;
import org.seasar.extension.jdbc.ResultSetHandler;
import org.seasar.framework.convention.PersistenceConvention;
/**
* Beanのリストを返す {@link ResultSetHandler}です。
*
* @author higa
*/
public class BeanListResultSetHandler extends AbstractBeanResultSetHandler {
/**
* リミットです。
*/
protected int limit;
/**
* {@link BeanListResultSetHandler}を作成します。
*
* @param beanClass
* Beanクラス
* @param dialect
* データベースの方言
* @param persistenceConvention
* 永続化層の規約
* @param sql
* SQL
*/
public BeanListResultSetHandler(Class<?> beanClass, DbmsDialect dialect,
PersistenceConvention persistenceConvention, String sql) {
this(beanClass, dialect, persistenceConvention, sql, 0);
}
/**
* {@link BeanListResultSetHandler}を作成します。
*
* @param beanClass
* Beanクラス
* @param dialect
* データベースの方言
* @param persistenceConvention
* 永続化層の規約
* @param sql
* SQL
* @param limit
* リミット
*/
public BeanListResultSetHandler(Class<?> beanClass, DbmsDialect dialect,
PersistenceConvention persistenceConvention, String sql, int limit) {
super(beanClass, dialect, persistenceConvention, sql);
this.limit = limit;
}
public Object handle(ResultSet rs) throws SQLException {
PropertyType[] propertyTypes = createPropertyTypes(rs.getMetaData());
List<Object> list = new ArrayList<Object>(100);
for (int i = 0; (limit <= 0 || i < limit) && rs.next(); i++) {
Object row = createRow(rs, propertyTypes);
list.add(row);
}
return list;
}
}