zeta.processor
Interface TaskRequestWorkUnitProcessor

All Superinterfaces:

TaskProcessor

All Known Implementing Classes:

DefaultWorkUnitProcessor

public interface TaskRequestWorkUnitProcessor

extends TaskProcessor

Processes work units received through the request handler.

Method Summary

int	activateWorkUnit(java.sql.Statement stmt, WorkUnit workUnit) Activates the specified work unit for the requested client.
java.lang.String	getParameters(WorkUnit workUnit) Returns the parameters which are associated with the specified work unit; are separated by the character ','

Methods inherited from interface zeta.processor.TaskProcessor

getWorkUnit, init

Method Detail

getParameters

public java.lang.String getParameters(WorkUnit workUnit)

Returns the parameters which are associated with the specified work unit; are separated by the character ','

Parameters:

workUnit - work unit

Returns:

parameters which are associated with the specified work unit; are separated by the character ','

activateWorkUnit

public int activateWorkUnit(java.sql.Statement stmt,
                            WorkUnit workUnit)
                     throws javax.servlet.ServletException,
                            java.sql.SQLException

Activates the specified work unit for the requested client.

Parameters:

stmt - statement object's database

workUnit - work unit

Returns:

less than 0 if an error occurs, 0 if the specified work unit is activated but no further work unit can be activated, and greater 0 if the specified work unit is activated and further work units can be activated.

Throws:

java.sql.SQLException - if a database access error occurs.

javax.servlet.ServletException