DataSourceUpdate

class DataSourceUpdate extends DataSourceProcess

DataSourceUpdate is a data source DAO process which handles a SQL update process.

Author:Hugo Y. K. Lam

Constructors

DataSourceUpdate

DataSourceUpdate(DataSourceDAO dao, DataSourceTransaction transaction, String sql, Object[][] params)

Creates a new instance of DataSourceUpdate.

Parameters:
  • dao – the DAO to which this process correspond.
  • transaction – the transaction for this process.
  • sql – the SQL update statement.
  • params – the parameter values used by the specified SQL statement. The number, format, and sequence of the parameter values should match the statement. null if there is no parameter for the statement and multiple sets if it is a batch update.

Methods

doTransaction

protected void doTransaction(DataSourceTransaction tx)

Executes the update and stores the result as an array of integers which indicates the update results.

Throws:

See also: hk.hku.cecid.piazza.commons.dao.ds.DataSourceProcess.doTransaction(DataSourceTransaction)