biz.hammurapi.util
Class CompositeWorkerContainer

java.lang.Object
  biz.hammurapi.util.CompositeWorkerContainer

All Implemented Interfaces:

Component, Context, DomConfigurable, Worker

public class CompositeWorkerContainer
extends java.lang.Object
implements Component, DomConfigurable, Worker, Context

Simple container

Author:

Pavel Vlasov

Constructor Summary

CompositeWorkerContainer()

Method Summary

void	configure(org.w3c.dom.Node configNode, Context context, java.lang.ClassLoader classLoader) Reads configuration from Node
java.lang.Object	get(java.lang.String name) Looks up component in component tree.
boolean	post(java.lang.Runnable job) Gives job to workers until one of them accepts it.
void	setOwner(java.lang.Object owner) Plugs the component into container and naming bus.
void	start() Invoked by container before the first use.
void	stop() Invoked by container when component is not needed anymore.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeWorkerContainer

public CompositeWorkerContainer()

Method Detail

get

public java.lang.Object get(java.lang.String name)

Looks up component in component tree.

Specified by:

get in interface Context

Parameters:

name -

Returns:

start

public void start()
           throws ConfigurationException

Description copied from interface: Component

Invoked by container before the first use. Component shall perform initialization in this method.

Specified by:

start in interface Component

Throws:

ConfigurationException

stop

public void stop()
          throws ConfigurationException

Description copied from interface: Component

Invoked by container when component is not needed anymore. Component shall perform cleanup in this method.

Specified by:

stop in interface Component

Throws:

ConfigurationException

setOwner

public void setOwner(java.lang.Object owner)

Description copied from interface: Component

Plugs the component into container and naming bus.

Specified by:

setOwner in interface Component

configure

public void configure(org.w3c.dom.Node configNode,
                      Context context,
                      java.lang.ClassLoader classLoader)
               throws ConfigurationException

Description copied from interface: DomConfigurable

Reads configuration from Node

Specified by:

configure in interface DomConfigurable

classLoader - ClassLoader

Throws:

ConfigurationException

post

public boolean post(java.lang.Runnable job)

Gives job to workers until one of them accepts it.

Specified by:

post in interface Worker

Returns:

true if worker accepted job. There can be situations when worker cannot accept job. E.g. remote worker cannot accept non-serializable job.