From b59f08bb5b08be7972086037ec54b23ea9fb49f8 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Thu, 11 Apr 2013 19:12:27 +0200
Subject: wip

---
 src/main/java/io/trygvis/queue/AsyncService.java   |  6 +-
 .../java/io/trygvis/queue/JpaAsyncService.java     | 94 ++++++++++++----------
 2 files changed, 57 insertions(+), 43 deletions(-)

(limited to 'src/main/java/io/trygvis/queue')

diff --git a/src/main/java/io/trygvis/queue/AsyncService.java b/src/main/java/io/trygvis/queue/AsyncService.java
index dcbe991..de0a1af 100755
--- a/src/main/java/io/trygvis/queue/AsyncService.java
+++ b/src/main/java/io/trygvis/queue/AsyncService.java
@@ -4,7 +4,7 @@ import org.quartz.*;
 
 public interface AsyncService<QueueRef extends AsyncService.QueueRef, ExecutionRef extends AsyncService.ExecutionRef> {
 
-    void registerQueue(String name, int interval, Class klass) throws SchedulerException;
+    void registerQueue(String name, int interval, AsyncCallable callable) throws SchedulerException;
 
     QueueRef getQueue(String name);
 
@@ -15,4 +15,8 @@ public interface AsyncService<QueueRef extends AsyncService.QueueRef, ExecutionR
 
     interface ExecutionRef {
     }
+
+    interface AsyncCallable {
+        void run() throws Exception;
+    }
 }
diff --git a/src/main/java/io/trygvis/queue/JpaAsyncService.java b/src/main/java/io/trygvis/queue/JpaAsyncService.java
index 2d6c2df..e715c6d 100755
--- a/src/main/java/io/trygvis/queue/JpaAsyncService.java
+++ b/src/main/java/io/trygvis/queue/JpaAsyncService.java
@@ -10,36 +10,26 @@ import org.quartz.JobExecutionException;
 import org.quartz.JobKey;
 import org.quartz.JobPersistenceException;
 import org.quartz.Scheduler;
-import org.quartz.SchedulerContext;
 import org.quartz.SchedulerException;
 import org.quartz.SchedulerFactory;
 import org.quartz.SimpleScheduleBuilder;
 import org.quartz.SimpleTrigger;
 import org.quartz.TriggerBuilder;
-import org.quartz.impl.DirectSchedulerFactory;
 import org.quartz.impl.JobDetailImpl;
 import org.quartz.impl.StdSchedulerFactory;
-import org.quartz.impl.jdbcjobstore.JobStoreSupport;
-import org.quartz.impl.jdbcjobstore.JobStoreTX;
-import org.quartz.impl.jdbcjobstore.PostgreSQLDelegate;
-import org.quartz.spi.JobStore;
+import org.quartz.impl.jdbcjobstore.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.BeansException;
-import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.jdbc.datasource.DataSourceUtils;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.PlatformTransactionManager;
-import org.springframework.transaction.TransactionDefinition;
-import org.springframework.transaction.TransactionStatus;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.transaction.interceptor.RuleBasedTransactionAttribute;
-import org.springframework.transaction.support.DefaultTransactionDefinition;
 
-import javax.annotation.PostConstruct;
+import javax.annotation.*;
 import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
 import javax.persistence.RollbackException;
@@ -47,14 +37,14 @@ import javax.persistence.TypedQuery;
 import javax.sql.DataSource;
 import java.sql.Connection;
 import java.sql.SQLException;
-import java.util.List;
-import java.util.Properties;
+import java.util.*;
 
 import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
 
 @SuppressWarnings("SpringJavaAutowiringInspection")
 @Component
-public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef, JpaAsyncService.JpaExecutionRef> {
+public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef, JpaAsyncService.JpaExecutionRef>,
+        ApplicationContextAware {
 
     private final Logger log = LoggerFactory.getLogger(getClass());
 
@@ -64,13 +54,9 @@ public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef
     @Autowired
     private DataSource dataSource;
 
-    private static DataSource dataSourceStatic;
-
     @Autowired
     private PlatformTransactionManager transactionManager;
 
-    private static PlatformTransactionManager transactionManagerStatic;
-
     @Autowired
     private QueueRepository queueRepository;
 
@@ -79,8 +65,23 @@ public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef
 
     private Scheduler scheduler;
 
+    private static DataSource dataSourceStatic;
+
+    private static PlatformTransactionManager transactionManagerStatic;
+
+    private static class Context {
+        ApplicationContext applicationContext;
+        List<AsyncCallable> callables = new ArrayList<>();
+    }
+
+    private final Context context = new Context();
+
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
+        this.context.applicationContext = applicationContext;
+    }
+
     @PostConstruct
-    public void afterPropertiesSet() throws Exception {
+    public void postConstruct() throws Exception {
         transactionManagerStatic = transactionManager;
         dataSourceStatic = dataSource;
         log.info("afterPropertiesSet!!");
@@ -91,18 +92,24 @@ public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef
         quartzProperties.setProperty(StdSchedulerFactory.PROP_SCHED_SKIP_UPDATE_CHECK, "true");
 //        quartzProperties.setProperty(StdSchedulerFactory.PROP_DATASOURCE_PREFIX, "wat");
         quartzProperties.setProperty(StdSchedulerFactory.PROP_JOB_STORE_CLASS, JpaDataSourceJobStore.class.getName());
+        quartzProperties.setProperty(StdSchedulerFactory.PROP_JOB_STORE_LOCK_HANDLER_CLASS, SimpleSemaphore.class.getName());
         quartzProperties.setProperty("org.quartz.threadPool.threadCount", "10");
         quartzProperties.setProperty("org.quartz.jobStore.driverDelegateClass", PostgreSQLDelegate.class.getName());
         quartzProperties.setProperty("org.quartz.scheduler.jmx.export", "true");
         SchedulerFactory schedulerFactory = new StdSchedulerFactory(quartzProperties);
 
-        Scheduler s = schedulerFactory.getScheduler();
-        System.out.println("s.getSchedulerName() = " + s.getSchedulerName());
-        scheduler = schedulerFactory.getScheduler("queue");
+        scheduler = schedulerFactory.getScheduler();
+        scheduler.getContext().put("context", context);
+        scheduler.start();
+    }
+
+    @PreDestroy
+    public void preDestroy() throws Exception {
+        scheduler.shutdown();
     }
 
     @Transactional
-    public void registerQueue(String name, int interval, Class klass) throws SchedulerException {
+    public synchronized void registerQueue(String name, int interval, AsyncCallable callable) throws SchedulerException {
 
         Queue q = queueRepository.findByName(name);
 
@@ -121,16 +128,16 @@ public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef
             }
         }
 
+        context.callables.add(callable);
+        int index = context.callables.size() - 1;
+
         JobDetailImpl jobDetail = new JobDetailImpl();
         JobKey jobKey = JobKey.jobKey("queue-" + name);
 
         jobDetail.setKey(jobKey);
         jobDetail.setJobClass(AsyncServiceJob.class);
         jobDetail.setDurability(true);
-        JobDataMap map = new JobDataMap();
-        map.put("class", klass.getName());
-        jobDetail.setJobDataMap(map);
-
+        jobDetail.getJobDataMap().put("index", Integer.toString(index));
         scheduler.addJob(jobDetail, true);
 
         SimpleScheduleBuilder schedule = simpleSchedule().
@@ -143,6 +150,10 @@ public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef
                 forJob(jobKey).
                 build();
 
+        if(scheduler.checkExists(trigger.getKey())) {
+            scheduler.unscheduleJob(trigger.getKey());
+        }
+
         scheduler.scheduleJob(trigger);
     }
 
@@ -183,26 +194,25 @@ public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef
     public static class AsyncServiceJob implements Job {
         private final Logger log = LoggerFactory.getLogger(getClass());
 
-        public void execute(JobExecutionContext context) throws JobExecutionException {
+        public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
             try {
                 log.info("Running");
 
-                SchedulerContext map = context.getScheduler().getContext();
-                ApplicationContext applicationContext = (ApplicationContext) map.get("applicationContext");
-
-                log.info("applicationContext = {}", applicationContext);
+                Context context = (Context) jobExecutionContext.getScheduler().getContext().get("context");
 
-                String className = map.getString("class");
+                for (Map.Entry<String, Object> entry : jobExecutionContext.getMergedJobDataMap().entrySet()) {
+                    log.info("{} = {}, class= {}", entry.getKey(), entry.getValue(), entry.getValue() != null ? entry.getValue().getClass() : "<null>");
+                }
 
-                log.info("className = {}", className);
+                int index = jobExecutionContext.getMergedJobDataMap().getIntFromString("index");
+                AsyncCallable callable = context.callables.get(index);
 
-                Class klass = getClass().getClassLoader().loadClass(className);
-                Object bean = applicationContext.getBean(klass);
+                log.info("Calling {}", callable);
+                callable.run();
 
-                log.info("bean = {}", bean);
-            } catch (Exception e) {
+            } catch (Throwable e) {
                 log.warn("fail", e);
-                throw new JobExecutionException(e, false);
+//                throw new JobExecutionException(e, false);
             }
         }
     }
@@ -218,14 +228,14 @@ public class JpaAsyncService implements AsyncService<JpaAsyncService.JpaQueueRef
 //            definition.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
 //            TransactionStatus transaction = transactionManagerStatic.getTransaction(definition);
 
-            System.out.println("dataSourceStatic = " + dataSourceStatic);
+//            System.out.println("dataSourceStatic = " + dataSourceStatic);
             Connection c = DataSourceUtils.getConnection(dataSourceStatic);
             try {
                 c.setAutoCommit(false);
             } catch (SQLException e) {
                 throw new RuntimeException(e);
             }
-            System.out.println("c = " + c);
+//            System.out.println("c = " + c);
 
             return c;
         }
-- 
cgit v1.2.3