Package org.eclipse.osgi.service.debug
Interface DebugOptionsListener
- All Superinterfaces:
EventListener
- All Known Implementing Classes:
ModuleContainer
A debug options listener is notified whenever one of its plug-in option-path entries is
changed. A listener is registered as an OSGi service using the
DebugOptions.LISTENER_SYMBOLICNAME
service property to specify the symbolic name of the debug options listener.
The optionsChanged(DebugOptions)
method will automatically
be called upon registration of the debug options listener service. This allows the
listener to obtain the initial debug options. This initial call to the listener
will happen even if debug is not enabled at the time of registration
(DebugOptions.isDebugEnabled()
will return false in this case).
public class Activator implements BundleActivator, DebugOptionsListener { public static boolean DEBUG = false; public static DebugTrace trace; public void start(BundleContext context) { Hashtable props = new Hashtable(4); props.put(DebugOptions.LISTENER_SYMBOLICNAME, "com.mycompany.mybundle"); context.registerService(DebugOptionsListener.class.getName(), this, props); } public void optionsChanged(DebugOptions options) { if (trace == null) trace = options.newDebugTrace("com.mycompany.mybundle"); DEBUG = options.getBooleanOption("com.mycompany.mybundle/debug", false); } public void doSomeWork() { if (DEBUG) trace.trace(null, "Doing some work"); } ... }
- Since:
- 3.5
-
Method Summary
Modifier and TypeMethodDescriptionvoid
optionsChanged
(DebugOptions options) Notifies this listener that an option-path for its plug-in has changed.
-
Method Details
-
optionsChanged
Notifies this listener that an option-path for its plug-in has changed. This method is also called initially by the DebugOptions implementation when the listener is registered as a service. This allows the listener to obtain the initial set of debug options without the need to acquire the debug options service.- Parameters:
options
- a reference to the DebugOptions
-