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com.acelet.s.scheduler
Class SchedulerControl

java.lang.Object
  com.acelet.s.scheduler.SchedulerControl

public class SchedulerControl
extends java.lang.Object

The SchedulerControl is a utility class for SuperScheduler. It is used for control schedule and tasks from Java program, either from EJB or other Java application.
The methods are very simple, powerful and less error prone.

Field Summary

static int	STATUS_ACTIVE STATUS_ACTIVE is an int for using as status value.
static int	STATUS_SUSPENDED STATUS_SUSPENDED is an int for using as status value.

Constructor Summary

SchedulerControl(LogAgent logAgent, java.sql.Connection taskConnection)
Constructor for SchedulerControl.

Method Summary

int	changeTaskStatus(java.lang.String taskName, int newStatus) changeTaskStatus changes the status for a Task.
void	requestRunTask(java.lang.String taskName) requestRunTask request SuperScheduler to run the task.

Methods inherited from class java.lang.Object

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

Field Detail

STATUS_ACTIVE

public static final int STATUS_ACTIVE

STATUS_ACTIVE is an int for using as status value.

See Also:

Constant Field Values

STATUS_SUSPENDED

public static final int STATUS_SUSPENDED

STATUS_SUSPENDED is an int for using as status value.

See Also:

Constant Field Values

Constructor Detail

SchedulerControl

public SchedulerControl(LogAgent logAgent,
                        java.sql.Connection taskConnection)
                 throws java.lang.Exception

Constructor for SchedulerControl.

Parameters:

taskConnection - The connection to task database.

logAgent - The LogAgent.

Throws:

Exception.

java.lang.Exception

See Also:

It should be set as auto-commit


Method Detail

changeTaskStatus

public int changeTaskStatus(java.lang.String taskName,
                            int newStatus)
                     throws java.lang.Exception

changeTaskStatus changes the status for a Task.

Parameters:

taskName - the name of the Task.

newStatus - the new status. It can be STATUS_ACTIVE or STATUS_SUSPENDED

Returns:

the number of rows changed. It is 1, if successful, 0 otherwise.

Throws:

Exception.

java.lang.Exception

requestRunTask

public void requestRunTask(java.lang.String taskName)
                    throws java.lang.Exception

requestRunTask request SuperScheduler to run the task. A Doer will take the request and run the task.

Parameters:

taskName - the name of the task.

Throws:

Exception.

java.lang.Exception