org.rhq.enterprise.server.purge

Class JPADriftFilePurge

java.lang.Object

org.rhq.enterprise.server.purge.JPADriftFilePurge

public class JPADriftFilePurge
extends Object

Author:

Thomas Segismont

Method Summary

Methods

Modifier and Type	Method and Description
int	execute()
protected String	getDeleteRowByKeyQuery(DatabaseType databaseType)
protected String	getEntityName()
protected String	getFindRowKeysQuery(DatabaseType databaseType)
protected String	getKeyFromResultSet(ResultSet resultSet)
protected void	setDeleteRowByKeyQueryParams(PreparedStatement preparedStatement, String key) Set the deletion query parameters.
protected void	setFindRowKeysQueryParams(PreparedStatement preparedStatement) Set the row keys selection query parameters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getEntityName

protected String getEntityName()

Returns:

the name of the data being purged, used for logging purpose

getFindRowKeysQuery

protected String getFindRowKeysQuery(DatabaseType databaseType)

Returns:

the query selecting row keys

setFindRowKeysQueryParams

protected void setFindRowKeysQueryParams(PreparedStatement preparedStatement)
                                  throws SQLException

Set the row keys selection query parameters.

Parameters:

preparedStatement - the prepared statement created for the row keys selection query

Throws:

SQLException

getKeyFromResultSet

protected String getKeyFromResultSet(ResultSet resultSet)
                              throws SQLException

Returns:

the row key extracted from the resultSet columns values

Throws:

SQLException

getDeleteRowByKeyQuery

protected String getDeleteRowByKeyQuery(DatabaseType databaseType)

Returns:

the query deleting a row by key

setDeleteRowByKeyQueryParams

protected void setDeleteRowByKeyQueryParams(PreparedStatement preparedStatement,
                                String key)
                                     throws SQLException

Set the deletion query parameters. Implementations should use the key provided.

Parameters:

preparedStatement - the prepared statement created for the row deletion query

key - the row key object representation

Throws:

SQLException

execute

public int execute()