job worker thread

src/engine/job/AbstractJob.java

@@ -68,7 +68,7 @@ public abstract class AbstractJob implements Runnable {
         this.markStopRunTime();
     }
 
-    protected abstract void doJob();
+    public abstract void doJob();
 
     public void executeJob(String threadName) {
         this.workerID.set(threadName);

src/engine/job/AbstractScheduleJob.java

@@ -17,7 +17,7 @@ public abstract class AbstractScheduleJob extends AbstractJob {
     }
 
     @Override
-    protected abstract void doJob();
+    public abstract void doJob();
 
     public void cancelJob() {
         JobScheduler.getInstance().cancelScheduledJob(this);

src/engine/job/JobContainer.java

@@ -16,7 +16,7 @@ public class JobContainer implements Comparable<JobContainer> {
     final long timeOfExecution;
     final boolean noTimer;
 
-    JobContainer(AbstractJob job, long timeOfExecution) {
+    public JobContainer(AbstractJob job, long timeOfExecution) {
         if (job == null) {
             throw new IllegalArgumentException("No 'null' jobs allowed.");
         }

src/engine/job/JobThread.java

@@ -0,0 +1,40 @@
+package engine.job;
+
+import org.pmw.tinylog.Logger;
+
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.locks.ReentrantLock;
+
+public class JobThread implements Runnable {
+    private final AbstractJob currentJob;
+    private final ReentrantLock lock = new ReentrantLock();
+
+    public JobThread(AbstractJob job){
+        this.currentJob = job;
+    }
+
+    @Override
+    public void run() {
+        try {
+            if (this.currentJob != null) {
+                if (lock.tryLock(5, TimeUnit.SECONDS)) { // Timeout to prevent deadlock
+                    try {
+                        this.currentJob.doJob();
+                    } finally {
+                        lock.unlock();
+                    }
+                } else {
+                    Logger.warn("JobThread could not acquire lock in time, skipping job.");
+                }
+            }
+        } catch (Exception e) {
+            Logger.error(e);
+        }
+    }
+
+    public static void startJobThread(AbstractJob job){
+        JobThread jobThread = new JobThread(job);
+        Thread thread = new Thread(jobThread);
+        thread.start();
+    }
+}

src/engine/job/JobWorker.java

@@ -58,8 +58,11 @@ public class JobWorker extends ControlledRunnable {
             } else {
 
                 // execute the new job..
-                this.currentJob.executeJob(this.getThreadName());
-                this.currentJob = null;
+                //this.currentJob.executeJob(this.getThreadName());
+                if(this.currentJob != null) {
+                    JobThread.startJobThread(this.currentJob);
+                    this.currentJob = null;
+                }
             }
             Thread.yield();
         }