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com.acelet.s.watchdog
Class WatchdogControl

java.lang.Object
  com.acelet.s.watchdog.WatchdogControl

public class WatchdogControl
extends java.lang.Object

Copyright Acelet Corp. 2001 - 2003. All rights reserved

The WatchdogControl is a utility class for SuperWatchdog. It is used for control watchdog and chores from Java program, either from EJB or other Java application.
The methods are very simple, powerful and less error prone.

Version:

1.10, 2003.01.20

Field Summary

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

Constructor Summary

WatchdogControl(LogAgent logAgent, java.sql.Connection choreConnection)
Constructor for WatchdogControl.

Method Summary

int	changeChoreStatus(java.lang.String choreName, int newStatus) changeChoreStatus changed the status for a chore.
int	deleteChore(java.lang.String choreName) deleteChore deletes the chore from chore database.
void	requestRunChore(java.lang.String choreName) requestRunChore request SuperWatchdog to run the chore.

Methods inherited from class java.lang.Object

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

Field Detail

STATUS_STANDBY

public static final int STATUS_STANDBY

STATUS_SUSPENDED 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

WatchdogControl

public WatchdogControl(LogAgent logAgent,
                       java.sql.Connection choreConnection)
                throws java.lang.Exception

Constructor for WatchdogControl.

Parameters:

choreConnection - The connection to chore database.

logAgent - The LogAgent.

Throws:

Exception.

java.lang.Exception

See Also:

It should be set as auto-commit


Method Detail

changeChoreStatus

public int changeChoreStatus(java.lang.String choreName,
                             int newStatus)
                      throws java.lang.Exception

changeChoreStatus changed the status for a chore. It takes effect immediately. There will be a log message recording the change.

Parameters:

choreName - the name of the chore.

newStatus - the new status. It can be either STATUS_STANDBY or STATUS_SUSPENDED

Returns:

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

Throws:

Exception.

java.lang.Exception

deleteChore

public int deleteChore(java.lang.String choreName)
                throws java.lang.Exception

deleteChore deletes the chore from chore database. It takes effect immediately. There will be a log message recording the change.

Parameters:

choreName - the name of the chore.

Returns:

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

Throws:

Exception.

java.lang.Exception

requestRunChore

public void requestRunChore(java.lang.String choreName)
                     throws java.lang.Exception

requestRunChore request SuperWatchdog to run the chore. A Doer will take the request and run the chore.

Parameters:

choreName - the name of the chore.

Throws:

Exception.

java.lang.Exception