[jira] Created: (FELIX-1804) Consider adding an Interceptor API

[Thomas Diesler (JIRA)]

Consider adding an Interceptor API
----------------------------------

                 Key: FELIX-1804
                 URL: https://issues.apache.org/jira/browse/FELIX-1804
             Project: Felix
          Issue Type: Improvement
          Components: Framework
    Affects Versions: felix-2.0.1
            Reporter: Thomas Diesler


Please consider adding a bundle state change interceptor API. For more 
background on this, please have a look at

http://jbossosgi.blogspot.com/2009/10/extender-pattern-vs-lifecycle.html 

A possible API could look like this

{code:java}
    void setBundleStateAndNotify(BundleImpl bundle, int state)
    {
        synchronized (m_bundleLock)
        {
           if (interceptor != null)
              interceptor.processStateChange(bundle, state);

            bundle.__setState(state);
            m_bundleLock.notifyAll();
        }
    }
{code}

{code:java}
    interface BundleStateInterceptor()
    {
       void processStateChange(Bundle bundle, int state);   
    }
{code}

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