Rio Project 4.2 API Documentation

org.rioproject.sla
Class SLAPolicyHandlerFactory

java.lang.Object
  org.rioproject.sla.SLAPolicyHandlerFactory

public class SLAPolicyHandlerFactory
extends Object

A utility to create a SLAPolicyHandler based on a Configuration

Author:

Dennis Reedy

Constructor Summary

SLAPolicyHandlerFactory()

Method Summary

static SLAPolicyHandler	create(SLA sla, Object eventSource, EventHandler eventHandler, ServiceBeanContext context, ClassLoader loader) Create a SLAPolicyHandler based on the provided SLA
static boolean	slaPolicyHandlerChanged(SLA sla, SLAPolicyHandler handler) Determine if the provided SLAPolicyHandler is the same as the SLAPolicyHandler class configured as part of the SLA.

Methods inherited from class java.lang.Object

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

Constructor Detail

SLAPolicyHandlerFactory

public SLAPolicyHandlerFactory()

Method Detail

create

public static SLAPolicyHandler create(SLA sla,
                                      Object eventSource,
                                      EventHandler eventHandler,
                                      ServiceBeanContext context,
                                      ClassLoader loader)
                               throws Exception

Create a SLAPolicyHandler based on the provided SLA

Parameters:

sla - The SLA object to create an SLAPolicyHandler instance for

eventSource - The object to be used as the remote event source

eventHandler - Handler which sends events

context - The ServiceBeanContext

loader - A ClassLoader to load resources and classes, and to pass when constructing the SLAPolicyHandler. If null, the context class loader will be used.

Returns:

A SLAPolicyHandler created from the SLA

Throws:

Exception - If the configuration cannot be used

slaPolicyHandlerChanged

public static boolean slaPolicyHandlerChanged(SLA sla,
                                              SLAPolicyHandler handler)

Determine if the provided SLAPolicyHandler is the same as the SLAPolicyHandler class configured as part of the SLA.

Parameters:

sla - The SLA to use

handler - The SLAPolicyHandler

Returns:

true if the provided SLAPolicyHandler is the same as the SLAPolicyHandler class configured as part of the SLA