Component state - Accessors for driver-related information

src/main/java/info/ebenoit/ebul/cmp/ComponentState.java

@@ -87,7 +87,7 @@ public final class ComponentState
 		this.component = component;
 
 		@SuppressWarnings( "unchecked" )
-		ThrowingFunction< Object , String > np = (ThrowingFunction< Object , String >) ci.getNameProvider( );
+		final ThrowingFunction< Object , String > np = (ThrowingFunction< Object , String >) ci.getNameProvider( );
 		String name;
 		if ( np != null ) {
 			try {
@@ -203,6 +203,37 @@ public final class ComponentState
 	}
 
 
+	/**
+	 * @return the component for which this component is a driver, or <code>null</code> if this component is not another
+	 *         component's driver
+	 */
+	public ComponentState getMainComponent( )
+	{
+		return this.mainComponent;
+	}
+
+
+	/**
+	 * @return an unmodifiable set listing this component's drivers
+	 */
+	public Set< ComponentState > getDrivers( )
+	{
+		return Collections.unmodifiableSet( this.drivers );
+	}
+
+
+	/**
+	 * Adds the state records for the component's drivers to a collection
+	 *
+	 * @param output
+	 *            the collection to add the records to
+	 */
+	public void getDrivers( final Collection< ComponentState > output )
+	{
+		output.addAll( this.drivers );
+	}
+
+
 	/**
 	 * @return <code>true</code> if the component was initialised, <code>false</code> if it wasn't (or if it was
 	 *         destroyed)
@@ -437,7 +468,7 @@ public final class ComponentState
 				} catch ( final FunctionException e ) {
 					throw e.getCause( );
 				}
-			} catch ( Throwable t ) {
+			} catch ( final Throwable t ) {
 				if ( t instanceof ComponentLifecycleException ) {
 					throw (ComponentLifecycleException) t;
 				}