public void execute()

in src/main/java/org/apache/sling/installer/core/impl/tasks/RestartActiveBundlesTask.java [61:94]
33 lines of code
11 McCabe index (conditional complexity)

    public void execute(final InstallationContext ctx) {
        @SuppressWarnings("unchecked")
        final Set<Long> ids = (Set<Long>) this.getResource().getAttribute(ATTR);
        int started = 0;
        if ( ids != null ) {
            final Set<Long> remove = new HashSet<Long>();
            for(final Long id : ids) {
                final Bundle bundle = this.getBundleContext().getBundle(id);
                if ( bundle != null
                     && bundle.getState() != Bundle.ACTIVE
                     && bundle.getState() != Bundle.STARTING
                     && bundle.getState() != Bundle.STOPPING
                     && bundle.getState() != Bundle.UNINSTALLED) {
                    try {
                        bundle.start();
                        started++;
                        ctx.log("Started bundle {}", bundle);
                        remove.add(id);
                    } catch (final BundleException e) {
                        getLogger().info("Unable to start bundle {} : {}", bundle, e.getMessage());
                    } catch (final IllegalStateException ie) {
                        getLogger().info("Unable to start bundle {} : {}", bundle, ie.getMessage());
                        remove.add(id);
                    }
                } else {
                    // bundle might be null(!)
                    getLogger().debug("Bundle does not need restart: {} (state {})", bundle, (bundle == null ? "uninstalled" : bundle.getState()));
                    remove.add(id);
                }
            }
            ids.removeAll(remove);
        }
        getLogger().debug("{} bundles were started", started);
    }