org.pvalsecc.concurrent

Class OrderedResultsExecutor<RESULT>

java.lang.Object

org.pvalsecc.concurrent.OrderedResultsExecutor<RESULT>

public class OrderedResultsExecutor<RESULT>
extends java.lang.Object

Take tasks and execute them in //. Each task generates a result and the results are sent to a resultCollector. The guaranties are:

• addTask(org.pvalsecc.concurrent.OrderedResultsExecutor.Task<RESULT>, org.pvalsecc.concurrent.OrderedResultsExecutor.ResultCollector<RESULT>) is thread safe
• the results are sent to the resultCollector in the order their tasks have been added.
• OrderedResultsExecutor.ResultCollector.handle(Object) is called only one result at a time for a given instance of OrderedResultsExecutor.ResultCollector. No // call of this method for a given object.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	OrderedResultsExecutor.ResultCollector<RESULT> Definition of a result collector.
class	OrderedResultsExecutor.Runner One executor thread.
static interface	OrderedResultsExecutor.Task<RESULT> Definition of a task.

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	LOGGER

Constructor Summary

Constructors

Constructor and Description
OrderedResultsExecutor(int nbThreads, java.lang.String name)

Method Summary

Methods

Modifier and Type	Method and Description
void	addTask(OrderedResultsExecutor.Task<RESULT> command, OrderedResultsExecutor.ResultCollector<RESULT> resultCollector) Adds a task whose result will be sent to the given resultCollector.
void	start() Start the executor threads.
void	stop() Stop the executor threads.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

public static org.apache.commons.logging.Log LOGGER

Constructor Detail

OrderedResultsExecutor

public OrderedResultsExecutor(int nbThreads,
                      java.lang.String name)

Method Detail

start

public void start()

Start the executor threads.

stop

public void stop()

Stop the executor threads.

addTask

public void addTask(OrderedResultsExecutor.Task<RESULT> command,
           OrderedResultsExecutor.ResultCollector<RESULT> resultCollector)

Adds a task whose result will be sent to the given resultCollector.