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Added some convenience methods for those who don't want to use

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the default configurations but don't want to have to start from scratch
This commit is contained in:
durron597 2013-09-03 09:28:16 -05:00
parent d6aa291b86
commit 02f18f8e4a
1 changed files with 47 additions and 3 deletions
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50
src/main/java/net/engio/mbassy/bus/config/BusConfiguration.java
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@ -41,13 +41,57 @@ public class BusConfiguration implements IBusConfiguration {
}
};
/**
* Creates a new instance, using the Default settings of 2 dispatchers, and
* asynchronous handlers with an initial count equal to the number of
* available processors in the machine, with maximum count equal to
* 2 * the number of available processors. Uses {@link Runtime#availableProcessors()} to
* determine the number of available processors
*
* @return a Default BusConfiguration
*/
public static BusConfiguration Default() {
BusConfiguration defaultConfig = new BusConfiguration();
return Default(2);
}
/**
* Creates a new instance, using the specified number of dispatchers, and
* asynchronous handlers with an initial count equal to the number of
* available processors in the machine, with maximum count equal to
* 2 * the number of available processors. Uses {@link Runtime#availableProcessors()} to
* determine the number of available processors
*
* @return a Default BusConfiguration
*/
public static BusConfiguration Default(int numberOfDispatchers) {
int numberOfCoreThreads = Runtime.getRuntime().availableProcessors();
defaultConfig.setExecutorForAsynchronousHandlers(new ThreadPoolExecutor(numberOfCoreThreads, numberOfCoreThreads*2, 1, TimeUnit.MINUTES, new LinkedBlockingQueue<Runnable>(), AsynchronousHandlerThreadFactory));
return Default(numberOfDispatchers, numberOfCoreThreads, numberOfCoreThreads * 2);
}
/**
* Creates a new instance, using the specified number of dispatchers, and
* asynchronous handlers with initial threads and maximum threads specified by the calling
* parameters.
*
* @return a Default BusConfiguration
*/
public static BusConfiguration Default(int numberOfDispatchers, int initialCoreThreads, int maximumCoreThreads) {
ThreadPoolExecutor executor = new ThreadPoolExecutor(initialCoreThreads, maximumCoreThreads, 1, TimeUnit.MINUTES, new LinkedBlockingQueue<Runnable>(), AsynchronousHandlerThreadFactory);
return Default(numberOfDispatchers, executor);
}
/**
* Creates a new instance, using the specified number of dispatchers, and
* asynchronous handlers that use the provided ThreadPoolExecutor.
*
* @return a Default BusConfiguration
*/
public static BusConfiguration Default(int numberOfDispatchers, ThreadPoolExecutor executor) {
BusConfiguration defaultConfig = new BusConfiguration();
defaultConfig.setExecutorForAsynchronousHandlers(executor);
defaultConfig.setMetadataReader(new MetadataReader());
defaultConfig.setSubscriptionFactory(new SubscriptionFactory());
defaultConfig.setNumberOfMessageDispatchers(2);
defaultConfig.setNumberOfMessageDispatchers(numberOfDispatchers);
defaultConfig.setMessagePublicationFactory(new MessagePublication.Factory());
defaultConfig.setPendingMessagesQueue(new LinkedBlockingQueue<MessagePublication>(Integer.MAX_VALUE));
defaultConfig.setThreadFactoryForAsynchronousMessageDispatch(DispatcherThreadFactory);