From bd027c7c2337939c0240e6cef9fea4a22cd3d919 Mon Sep 17 00:00:00 2001
From: Albert Cardona <acardona@ini.phys.ethz.ch>
Date: Fri, 10 Apr 2009 12:10:55 +0200
Subject: [PATCH] Added a Worker.Task class with an exe() method that wraps the
 worker run() method for proper exception handling and start/end of task
 monitoring.

---
 ini/trakem2/utils/Worker.java | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/ini/trakem2/utils/Worker.java b/ini/trakem2/utils/Worker.java
index 5eeaeb6a..6b6ee039 100644
--- a/ini/trakem2/utils/Worker.java
+++ b/ini/trakem2/utils/Worker.java
@@ -109,4 +109,32 @@ public abstract class Worker implements Runnable {
 		if (null == key || null == properties) return null;
 		return properties.get(key);
 	}
+
+	/** A class that calls run() wrapped properly for task monitoring;
+	 *  Create it like this:
+	 *
+	 *  Bureaucrat b = Bureaucrat.createAndStart(new Worker.Task("Title") { public void exec() {
+	 *      doSomething();
+	 *      doSomethingElse();
+	 *  }}, project);
+	 *
+	 */
+	static public abstract class Task extends Worker {
+		public Task(String title) {
+			super(title);
+		}
+
+		abstract public void exec();
+
+		public void run() {
+			try {
+				startedWorking();
+				exec();
+			} catch (Throwable t) {
+				IJError.print(t);
+			} finally {
+				finishedWorking();
+			}
+		}
+	}
 }
-- 
2.11.4.GIT