/*
* Copyright 2006-2007 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.support;
import org.springframework.batch.item.database.ItemPreparedStatementSetter;
import org.springframework.jdbc.core.ColumnMapRowMapper;
import org.springframework.jdbc.core.SqlTypeValue;
import org.springframework.jdbc.core.StatementCreatorUtils;
import org.springframework.util.Assert;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Map;
/**
* <p>Implementation of the {@link ItemPreparedStatementSetter} interface that assumes all
* keys are contained within a {@link Map} with the column name as the key. It assumes nothing
* about ordering, and assumes that the order the entry set can be iterated over is the same as
* the PreparedStatement should be set.</p>
*
* @author Lucas Ward
* @author Dave Syer
* @see ItemPreparedStatementSetter
* @see ColumnMapRowMapper
*/
public class ColumnMapItemPreparedStatementSetter implements ItemPreparedStatementSetter<Map<String, Object>> {
@Override
public void setValues(Map<String, Object> item, PreparedStatement ps) throws SQLException {
Assert.isInstanceOf(Map.class, item, "Input to map PreparedStatement parameters must be of type Map.");
int counter = 1;
for(Object value : item.values()){
StatementCreatorUtils.setParameterValue(ps, counter, SqlTypeValue.TYPE_UNKNOWN, value);
counter++;
}
}
}