org.clazzes.jdbc2xml.sql
Interface SqlCommand

All Known Implementing Classes:

DropColumnCommand, DropTableCommand, SimpleSqlCommand

public interface SqlCommand

This interface defines a SQL command, which may be rolled back.

Author:

wglas

Method Summary

void	cleanupOnCommit(java.sql.Connection connection) Cleanup resources kept by this command, if the transaction is committed.
void	perform(java.sql.Connection connection) Perform an atomic SQL command.
void	rollback(java.sql.Connection connection) Roll back an atomic SQL command.

Method Detail

perform

void perform(java.sql.Connection connection)
             throws java.sql.SQLException

Perform an atomic SQL command.

Parameters:

connection - A JDBC connection on which to perform queries.

Throws:

java.sql.SQLException - Upon database errors.

rollback

void rollback(java.sql.Connection connection)
              throws java.sql.SQLException

Roll back an atomic SQL command.

Parameters:

connection - A JDBC connection on which to perform queries.

Throws:

java.sql.SQLException - Upon database errors or when a rollback is not supported.

cleanupOnCommit

void cleanupOnCommit(java.sql.Connection connection)
                     throws java.sql.SQLException

Cleanup resources kept by this command, if the transaction is committed. This might incur deleting temporary backup tables or deleting data files, which back up deleted table data.

Parameters:

connection -

Throws:

java.sql.SQLException