@Override
public void start() throws Exception {
if (serviceDefinitions != null && !serviceDefinitions.isEmpty()) {
LOG.debug(
"Configuring "
+ serviceDefinitions.size()
+ " services for application id "
+ CoreConfigHelper.getApplicationId()
+ " using config for classloader "
+ ClassLoaderUtils.getDefaultClassLoader());
KsbApiServiceLocator.getServiceBus().publishServices(serviceDefinitions, true);
super.start();
}
}
public Thread newThread(Runnable runnable) {
threadSequence++;
Thread thread = this.defaultThreadFactory.newThread(runnable);
// if the thread ends up getting spawned by an action inside of a workflow plugin or something
// along those lines, it will inherit the plugin's
// classloader as it's ContextClassLoader. Let's make sure it's set to the same ClassLoader
// that loaded the KSBConfigurer
thread.setContextClassLoader(contextClassLoader);
thread.setName(
CoreConfigHelper.getApplicationId()
+ "/KSB-pool-"
+ factorySequence
+ "-thread-"
+ threadSequence);
return thread;
}
public ServerPluginRegistry() {
super(
new QName(CoreConfigHelper.getApplicationId(), ResourceLoader.PLUGIN_REGISTRY_LOADER_NAME));
}
@Test
public void testHotDeploy() throws Exception {
// Grab the ServerPluginRegistry
PluginRegistry theRegistry = PluginUtils.getPluginRegistry();
assertNotNull("PluginRegistry should exist.", theRegistry);
assertTrue(theRegistry instanceof ServerPluginRegistry);
ServerPluginRegistry registry = (ServerPluginRegistry) theRegistry;
// Let's shut down the asynchronous reloader and hot deployer because we want to do this
// synchronously.
HotDeployer hotDeployer = registry.getHotDeployer();
Reloader reloader = registry.getReloader();
registry.stopHotDeployer();
registry.stopReloader();
// Assert that there are currently no plugins
assertEquals("There should be no plugins.", 0, registry.getPluginEnvironments().size());
assertEquals(
"Resource loader should have no children.", 0, registry.getResourceLoaders().size());
// query the hot deployer directly about it's added and removed plugins
assertEquals("There should be no plugins added.", 0, hotDeployer.getAddedPlugins().size());
assertEquals("There should be no plugins removed.", 0, hotDeployer.getRemovedPlugins().size());
hotDeployer.run();
assertEquals("There should still be no plugins.", 0, registry.getPluginEnvironments().size());
// now let's copy a plugin over and run the hot deployer
String pluginZipFileLocation =
getBaseDir() + "/src/test/resources/org/kuali/rice/kew/plugin/ziptest.zip";
File pluginZipFile = new File(pluginZipFileLocation);
assertTrue("Plugin file '" + pluginZipFileLocation + "' should exist", pluginZipFile.exists());
assertTrue(
"Plugin file '" + pluginZipFileLocation + "' should be a file", pluginZipFile.isFile());
FileUtils.copyFileToDirectory(pluginZipFile, pluginDir);
assertEquals("There should be one plugin added.", 1, hotDeployer.getAddedPlugins().size());
assertEquals("There should be no plugins removed.", 0, hotDeployer.getRemovedPlugins().size());
hotDeployer.run();
// the plugin should have been hot deployed
assertEquals(
"Plugin should have been hot deployed.", 1, registry.getPluginEnvironments().size());
// check added plugins again, it should now indicate no new added plugins
assertEquals("There should be no plugins added.", 0, hotDeployer.getAddedPlugins().size());
assertEquals("There should be no plugins removed.", 0, hotDeployer.getRemovedPlugins().size());
// verify that the resource loading and the registry are sane and properly set up with the new
// plugin
assertEquals(
"Resource loader should have 1 plugin child.", 1, registry.getResourceLoaders().size());
Plugin plugin = (Plugin) registry.getResourceLoaders().get(0);
assertEquals(
"Plugin has wrong name.",
new QName(CoreConfigHelper.getApplicationId(), "ziptest"),
plugin.getName());
assertTrue("Plugin should be started.", plugin.isStarted());
assertEquals(
"Plugin in resource loader and environment should be the same.",
plugin,
registry.getPluginEnvironment(plugin.getName().getLocalPart()).getPlugin());
// The reloader should have a reference to the environment
assertEquals(
"Reloader should have a reference to environment.", 1, reloader.getReloadables().size());
// now remove the plugin and ensure that it goes away
FileUtils.forceDelete(new File(pluginDir, "ziptest.zip"));
assertEquals("There should be no plugins added.", 0, hotDeployer.getAddedPlugins().size());
assertEquals("There should be one plugin removed.", 1, hotDeployer.getRemovedPlugins().size());
hotDeployer.run();
// verify that the resource loading and the registry no longer contain the plugin
assertEquals("No plugins should be deployed.", 0, registry.getPluginEnvironments().size());
assertEquals(
"Resource loader should have 0 plugin children.", 0, registry.getResourceLoaders().size());
// also assert that the reloader no longer has a reference to the environment
assertEquals(
"Reloader should no longer have reference to environment.",
0,
reloader.getReloadables().size());
}
