java.util.EventListener
, org.osgi.framework.BundleActivator
, org.osgi.framework.BundleListener
, org.osgi.framework.SynchronousBundleListener
, org.osgi.util.tracker.BundleTrackerCustomizer
public abstract class AbstractExtender
extends java.lang.Object
implements org.osgi.framework.BundleActivator, org.osgi.util.tracker.BundleTrackerCustomizer, org.osgi.framework.SynchronousBundleListener
Extension
for each of them to manage it.
The extender will handle all concurrency and synchronization issues, see
Extension
for more information about the additional constraints.
The extender guarantee that all extensions will be stopped synchronously with
the STOPPING event of a given bundle and that all extensions will be stopped
before the extender bundle is stopped.Constructor | Description |
---|---|
AbstractExtender() |
Modifier and Type | Method | Description |
---|---|---|
java.lang.Object |
addingBundle(org.osgi.framework.Bundle bundle,
org.osgi.framework.BundleEvent event) |
|
void |
bundleChanged(org.osgi.framework.BundleEvent event) |
|
protected java.util.Collection<org.osgi.framework.Bundle> |
chooseBundlesToDestroy(java.util.Set<org.osgi.framework.Bundle> bundles) |
|
protected java.util.concurrent.ExecutorService |
createExecutor() |
Create the executor used to start extensions asynchronously.
|
protected abstract void |
debug(org.osgi.framework.Bundle bundle,
java.lang.String msg) |
|
protected abstract Extension |
doCreateExtension(org.osgi.framework.Bundle bundle) |
Create the extension for the given bundle, or null if the bundle is not to be extended.
|
protected void |
doStart() |
|
protected void |
doStop() |
|
protected abstract void |
error(java.lang.String msg,
java.lang.Throwable t) |
|
org.osgi.framework.BundleContext |
getBundleContext() |
|
java.util.concurrent.ExecutorService |
getExecutors() |
|
boolean |
isPreemptiveShutdown() |
Check if the extender performs a preemptive shutdown
of all extensions when the framework is being stopped.
|
boolean |
isStopping() |
|
boolean |
isSynchronous() |
Check if the extender is synchronous or not.
|
void |
modifiedBundle(org.osgi.framework.Bundle bundle,
org.osgi.framework.BundleEvent event,
java.lang.Object object) |
|
void |
removedBundle(org.osgi.framework.Bundle bundle,
org.osgi.framework.BundleEvent event,
java.lang.Object object) |
|
void |
setPreemptiveShutdown(boolean preemptiveShutdown) |
|
void |
setSynchronous(boolean synchronous) |
|
void |
start(org.osgi.framework.BundleContext context) |
|
protected void |
startTracking() |
|
void |
stop(org.osgi.framework.BundleContext context) |
|
protected void |
stopTracking() |
|
protected abstract void |
warn(org.osgi.framework.Bundle bundle,
java.lang.String msg,
java.lang.Throwable t) |
public boolean isSynchronous()
public boolean isPreemptiveShutdown()
public org.osgi.framework.BundleContext getBundleContext()
public java.util.concurrent.ExecutorService getExecutors()
public void setSynchronous(boolean synchronous)
public void setPreemptiveShutdown(boolean preemptiveShutdown)
public boolean isStopping()
public void start(org.osgi.framework.BundleContext context) throws java.lang.Exception
start
in interface org.osgi.framework.BundleActivator
java.lang.Exception
public void stop(org.osgi.framework.BundleContext context) throws java.lang.Exception
stop
in interface org.osgi.framework.BundleActivator
java.lang.Exception
protected void doStart() throws java.lang.Exception
java.lang.Exception
protected void doStop() throws java.lang.Exception
java.lang.Exception
protected void startTracking()
protected void stopTracking()
protected java.util.concurrent.ExecutorService createExecutor()
protected java.util.Collection<org.osgi.framework.Bundle> chooseBundlesToDestroy(java.util.Set<org.osgi.framework.Bundle> bundles)
public void bundleChanged(org.osgi.framework.BundleEvent event)
bundleChanged
in interface org.osgi.framework.BundleListener
public java.lang.Object addingBundle(org.osgi.framework.Bundle bundle, org.osgi.framework.BundleEvent event)
addingBundle
in interface org.osgi.util.tracker.BundleTrackerCustomizer
public void modifiedBundle(org.osgi.framework.Bundle bundle, org.osgi.framework.BundleEvent event, java.lang.Object object)
modifiedBundle
in interface org.osgi.util.tracker.BundleTrackerCustomizer
public void removedBundle(org.osgi.framework.Bundle bundle, org.osgi.framework.BundleEvent event, java.lang.Object object)
removedBundle
in interface org.osgi.util.tracker.BundleTrackerCustomizer
protected abstract Extension doCreateExtension(org.osgi.framework.Bundle bundle) throws java.lang.Exception
bundle
- the bundle to extendjava.lang.Exception
- If something goes wrongprotected abstract void debug(org.osgi.framework.Bundle bundle, java.lang.String msg)
protected abstract void warn(org.osgi.framework.Bundle bundle, java.lang.String msg, java.lang.Throwable t)
protected abstract void error(java.lang.String msg, java.lang.Throwable t)