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authorThomas Lenz <tlenz@iaik.tugraz.at>2016-06-21 11:23:31 +0200
committerThomas Lenz <tlenz@iaik.tugraz.at>2016-06-21 11:23:31 +0200
commit8778f159556fab8853eac6e9c97e659973be0d78 (patch)
tree7fe3ad6ab08734b2a72495d3d0754013d4a03ddc /id/server/moa-id-spring-initializer/src/main/java
parentf66d793ba9562ffa96103ff69cee441754c3bb7c (diff)
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refactor metadataprovider to Spring implementation
Diffstat (limited to 'id/server/moa-id-spring-initializer/src/main/java')
-rw-r--r--id/server/moa-id-spring-initializer/src/main/java/at/gv/egovernment/moa/id/auth/MOAContextCloseHandler.java166
1 files changed, 166 insertions, 0 deletions
diff --git a/id/server/moa-id-spring-initializer/src/main/java/at/gv/egovernment/moa/id/auth/MOAContextCloseHandler.java b/id/server/moa-id-spring-initializer/src/main/java/at/gv/egovernment/moa/id/auth/MOAContextCloseHandler.java
new file mode 100644
index 000000000..f99013082
--- /dev/null
+++ b/id/server/moa-id-spring-initializer/src/main/java/at/gv/egovernment/moa/id/auth/MOAContextCloseHandler.java
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2014 Federal Chancellery Austria
+ * MOA-ID has been developed in a cooperation between BRZ, the Federal
+ * Chancellery Austria - ICT staff unit, and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.gv.egovernment.moa.id.auth;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.concurrent.TimeUnit;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextClosedEvent;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
+import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
+import org.springframework.stereotype.Component;
+
+import at.gv.egovernment.moa.logging.Logger;
+
+/**
+ * @author tlenz
+ *
+ */
+@Component
+public class MOAContextCloseHandler implements ApplicationListener<ContextClosedEvent>, ApplicationContextAware, BeanPostProcessor {
+
+ private ApplicationContext context;
+
+ /* (non-Javadoc)
+ * @see org.springframework.context.ApplicationListener#onApplicationEvent(org.springframework.context.ApplicationEvent)
+ */
+ @Override
+ public void onApplicationEvent(ContextClosedEvent arg0) {
+ Logger.info("MOA-ID-Auth shutdown process started ...");
+
+ try {
+ Logger.debug("CleanUp objects with implements the IDestroyable interface ... ");
+ Map<String, IDestroyableObject> objectsToDestroy = context.getBeansOfType(IDestroyableObject.class);
+ if (objectsToDestroy != null) {
+ Iterator<Entry<String, IDestroyableObject>> interator =
+ objectsToDestroy.entrySet().iterator();
+ while (interator.hasNext()) {
+ Entry<String, IDestroyableObject> object = interator.next();
+ try {
+ object.getValue().fullyDestroy();
+ Logger.debug("Object with ID:" + object.getKey() + " is destroyed");
+
+ } catch (Exception e) {
+ Logger.warn("Destroing object with ID:" + object.getKey() + " FAILED!", e);
+
+ }
+ }
+ }
+ Logger.info("Object cleanUp complete");
+
+ Logger.debug("Stopping Spring Thread-Pools ... ");
+ //shut-down task schedulers
+ Map<String, ThreadPoolTaskScheduler> schedulers = context.getBeansOfType(ThreadPoolTaskScheduler.class);
+ for (ThreadPoolTaskScheduler scheduler : schedulers.values()) {
+ scheduler.getScheduledExecutor().shutdown();
+ try {
+ scheduler.getScheduledExecutor().awaitTermination(20000, TimeUnit.MILLISECONDS);
+ if(scheduler.getScheduledExecutor().isTerminated() || scheduler.getScheduledExecutor().isShutdown())
+ Logger.debug("Scheduler "+scheduler.getThreadNamePrefix() + " has stoped");
+ else{
+ Logger.debug("Scheduler "+scheduler.getThreadNamePrefix() + " has not stoped normally and will be shut down immediately");
+ scheduler.getScheduledExecutor().shutdownNow();
+ Logger.info("Scheduler "+scheduler.getThreadNamePrefix() + " has shut down immediately");
+ }
+ } catch (IllegalStateException e) {
+ e.printStackTrace();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+
+ } finally {
+ scheduler.shutdown();
+
+ }
+ }
+
+ //shut-down task executors
+ Map<String, ThreadPoolTaskExecutor> executers = context.getBeansOfType(ThreadPoolTaskExecutor.class);
+ for (ThreadPoolTaskExecutor executor: executers.values()) {
+ int retryCount = 0;
+ while(executor.getActiveCount()>0 && ++retryCount<51){
+ try {
+ Logger.debug("Executer "+executor.getThreadNamePrefix()+" is still working with active " + executor.getActiveCount()+" work. Retry count is "+retryCount);
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ if(!(retryCount<51))
+ Logger.debug("Executer "+executor.getThreadNamePrefix()+" is still working.Since Retry count exceeded max value "+retryCount+", will be killed immediately");
+ executor.shutdown();
+ Logger.debug("Executer "+executor.getThreadNamePrefix()+" with active " + executor.getActiveCount()+" work has killed");
+ }
+
+ Logger.debug("Spring Thread-Pools stopped");
+
+ Logger.info("MOA-ID-Auth shutdown process finished");
+
+ } catch (Exception e) {
+ Logger.warn("MOA-ID-Auth shutdown process has an error.", e);
+
+ }
+
+ //System.exit(0);
+ //Thread.currentThread().interrupt();
+
+ }
+
+ /* (non-Javadoc)
+ * @see org.springframework.beans.factory.config.BeanPostProcessor#postProcessAfterInitialization(java.lang.Object, java.lang.String)
+ */
+ @Override
+ public Object postProcessAfterInitialization(Object arg0, String arg1) throws BeansException {
+ if(arg0 instanceof ThreadPoolTaskScheduler)
+ ((ThreadPoolTaskScheduler)arg0).setWaitForTasksToCompleteOnShutdown(true);
+ if(arg0 instanceof ThreadPoolTaskExecutor)
+ ((ThreadPoolTaskExecutor)arg0).setWaitForTasksToCompleteOnShutdown(true);
+ return arg0;
+
+ }
+
+ /* (non-Javadoc)
+ * @see org.springframework.beans.factory.config.BeanPostProcessor#postProcessBeforeInitialization(java.lang.Object, java.lang.String)
+ */
+ @Override
+ public Object postProcessBeforeInitialization(Object arg0, String arg1) throws BeansException {
+ return arg0;
+
+ }
+
+ /* (non-Javadoc)
+ * @see org.springframework.context.ApplicationContextAware#setApplicationContext(org.springframework.context.ApplicationContext)
+ */
+ @Override
+ public void setApplicationContext(ApplicationContext arg0) throws BeansException {
+ this.context = arg0;
+
+ }
+
+}