package org.springframework.jdbc.core.namedparam;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import org.springframework.jdbc.core.BatchUpdateUtils;
import org.springframework.jdbc.core.JdbcOperations;
import org.springframework.jdbc.core.BatchPreparedStatementSetter;
/**
* Generic utility methods for working with JDBC batch statements using named parameters. Mainly for internal use
* within the framework.
*
* @author Thomas Risberg
*/
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() {
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);
}
public int getBatchSize() {
return batchArgs.length;
}
});
}
}
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