Merge pull request #49 from durron597/master

Overloading factory methods for default bus configuration

src/main/java/net/engio/mbassy/bus/config/BusConfiguration.java

@@ -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);

src/test/java/net/engio/mbassy/common/MessageManager.java

@@ -4,6 +4,9 @@ import net.engio.mbassy.messages.IMessage;
 
 import java.util.Collection;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 /**
  * Created with IntelliJ IDEA.
  * User: benjamin
@@ -12,6 +15,8 @@ import java.util.Collection;
  * To change this template use File | Settings | File Templates.
  */
 public class MessageManager {
+	private static final Logger LOG =
+			LoggerFactory.getLogger(MessageManager.class);
 
 
     private StrongConcurrentSet<MessageContext> messages = new StrongConcurrentSet();
@@ -90,7 +95,7 @@ public class MessageManager {
     }
 
    private void logSuccess(MessageContext mCtx){
-       System.out.println("Message " + mCtx.getMessage() + " was successfully handled " + mCtx.getExpectedCount() + " times by " + mCtx.printListeners());
+       LOG.info("Message " + mCtx.getMessage() + " was successfully handled " + mCtx.getExpectedCount() + " times by " + mCtx.printListeners());
    }
 
 
@@ -100,7 +105,7 @@ public class MessageManager {
         errorMessage.append("Failing messages:\n");
         for(MessageContext failingMessage : failing)
             errorMessage.append(failingMessage);
-        System.out.println(errorMessage.toString());
+        LOG.info(errorMessage.toString());
     }
 
     private class MessageContext{