Examples of org.rhq.core.pluginapi.plugin.PluginLifecycleListener

org.rhq.core.pluginapi.plugin.PluginLifecycleListener
Performs global initialization and shutdown of a plugin. This class will be notified when the plugin is loaded and unloaded. This provides a place for plugin developers to allocate global resources needed by all plugin components and a place to clean up those resources. @author John Mazzitelli @since 1.2

    public void shutdown() {
        // Inform the plugins we are shutting them down.
        // We want to shut them down in the reverse order that we initialized them.
        Collections.reverse(this.loadedPlugins);
        for (Plugin plugin : loadedPlugins) {
            PluginLifecycleListener listener = pluginLifecycleListenerMgr.getListener(plugin.getName());
            if (listener != null) {
                try {
                    ClassLoader originalCL = Thread.currentThread().getContextClassLoader();
                    Thread.currentThread().setContextClassLoader(
                        this.classLoaderManager.obtainPluginClassLoader(plugin.getName()));
                    try {
                        listener.shutdown();
                    } finally {
                        Thread.currentThread().setContextClassLoader(originalCL);
                    }
                } catch (Throwable t) {
                    log.warn("Failed to get lifecycle listener to shutdown [" + plugin.getName() + "]. Cause: "

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        PluginDescriptorLoader pluginDescriptorLoader = new PluginDescriptorLoader(pluginUrl, classLoader);
        PluginEnvironment pluginEnvironment = new PluginEnvironment(pluginDescriptor.getName(), pluginDescriptorLoader);
        String pluginName = pluginEnvironment.getPluginName();


        // tell the plugin we have loaded it
        PluginLifecycleListener overseer = getPluginLifecycleListener(pluginName, pluginEnvironment, pluginDescriptor);
        if (overseer != null) {
            PluginContext context = createPluginContext(pluginName);
            ClassLoader originalContextClassLoader = Thread.currentThread().getContextClassLoader();
            try {
                Thread.currentThread().setContextClassLoader(classLoader);
                overseer.initialize(context);
            } catch (Throwable t) {
                throw new PluginContainerException("Plugin Lifecycle Listener failed to initialize plugin", t);
            } finally {
                Thread.currentThread().setContextClassLoader(originalContextClassLoader);
            }

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    private Map<String, PluginLifecycleListener> cache = new HashMap<String, PluginLifecycleListener>();


    public PluginLifecycleListener loadListener(PluginDescriptor pluginDescriptor, PluginEnvironment pluginEnvironment)
        throws PluginContainerException {


        PluginLifecycleListener listener = cache.get(pluginDescriptor.getName());


        if (listener == null) {
            String listenerClassName = getPluginLifecycleListenerClass(pluginDescriptor);


            if (listenerClassName != null) {

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Related Classes of org.rhq.core.pluginapi.plugin.PluginLifecycleListener

org.rhq.core.pc.plugin.PluginLifecycleListenerManagerImpl

org.rhq.core.pc.plugin.PluginManager

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