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/*************************************************
*
* = PACKAGE
* JACE.ServiceConfigurator
*
* = FILENAME
* ServiceObject.java
*
*@author Prashant Jain
*@author Everett Anderson
*
*************************************************/
package JACE.ServiceConfigurator;
import java.io.*;
import JACE.ASX.*;
import JACE.Reactor.*;
/**
* Provides a default implementation of the Service interface, and can also
* be registered with the Reactor.
*
*@see JACE.Reactor
*@see Service
*/
public class ServiceObject implements EventHandler, Service
{
/**
* Initialize object when dynamic loading occurs. Overwrite this
* method to do anything useful.
*@return -1 (default implementation)
*/
public int init (String [] args)
{
return -1;
}
/**
* Terminate the object. Note that an object can not be explicitly
* unloaded. Overwrite this method to do anything useful.
*@return -1 (default implementation)
*/
public int fini ()
{
return -1;
}
/**
* Get information on an active object. Overwrite this method to do
* anything useful.
*@return null (default implementation)
*/
public String info ()
{
return null;
}
/**
* Called when timer expires. Overwrite this method to do
* anything useful.
*@param tv Time Value for when timer expired
*@param obj An arbitrary object that was passed to the Timer Queue
* (Asynchronous Completion Token)
*@return -1
*/
public int handleTimeout (TimeValue tv, Object obj)
{
return -1;
}
/**
* Request that this service suspend activity. Overwrite this
* method to do anything useful. Currently, this sets an internal
* state variable to true.
*/
public int suspend ()
{
this.suspended_ = true;
return 0;
}
/**
* Request that this service resume activity. Currently, this sets
* an internal state variable to false.
*/
public int resume ()
{
this.suspended_ = false;
return 0;
}
/**
* Is this service suspended?
*/
public boolean suspended ()
{
return this.suspended_;
}
/**
* Return the name of the Service. Implementation provided.
*/
public String name ()
{
return this.name_;
}
/**
* Set the name of the Service. Should be called when a Service is
* created -- this is done automatically by ServiceConfig when loading
* from a file. Implementation provided.
*/
public void name (String name)
{
this.name_ = name;
}
/**
* Name of this ServiceObject.
*/
protected String name_ = null;
/**
* Status of whether this ServiceObject is suspended or not.
* (Initially false)
*/
protected boolean suspended_ = false;
}
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