Activate components synchronously
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Key: FELIX-2368
URL: https://issues.apache.org/jira/browse/FELIX-2368
Project: Felix
Issue Type: Improvement
Components: Declarative Services (SCR)
Affects Versions: scr-1.4.0
Reporter: Felix Meschberger
Assignee: Felix Meschberger
Fix For: scr-1.4.2
Currently components are activated asynchronously. This works perfect but adds
delay to startup sequences. An additional problem is that on system startup
once the FRAMEWORK_STARTED event is received, SCR is still busy activating
components. This creates a problem if we want to decide on the actual system
state.
Conversely, disposal (and disabling) of components always takes place
immediately, because either a required dependency is about to go away or the
providing bundle is stopped. In the first case asynchronous disabling will lead
to problems because of unavailable services and the second case might cause
IllegalStateExceptions if the BundleContext is accessed after the bundle has
been stopped.
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