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/*
* Copyright 2002-2017 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.jdbc.core.namedparam;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import org.springframework.jdbc.core.BatchPreparedStatementSetter;
import org.springframework.jdbc.core.BatchUpdateUtils;
import org.springframework.jdbc.core.JdbcOperations;
/**
* Generic utility methods for working with JDBC batch statements using named parameters.
* Mainly for internal use within the framework.
*
* @author Thomas Risberg
* @since 3.0
*/
public class NamedParameterBatchUpdateUtils extends BatchUpdateUtils {
public static int[] executeBatchUpdateWithNamedParameters(final ParsedSql parsedSql,
final SqlParameterSource[] batchArgs, JdbcOperations jdbcOperations) {
if (batchArgs.length <= 0) {
return new int[] {0};
}
String sqlToUse = NamedParameterUtils.substituteNamedParameters(parsedSql, batchArgs[0]);
return jdbcOperations.batchUpdate(
sqlToUse,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement ps, int i) throws SQLException {
Object[] values = NamedParameterUtils.buildValueArray(parsedSql, batchArgs[i], null);
int[] columnTypes = NamedParameterUtils.buildSqlTypeArray(parsedSql, batchArgs[i]);
setStatementParameters(values, ps, columnTypes);
}
@Override
public int getBatchSize() {
return batchArgs.length;
}
});
}
}
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