added ScheduledTaskRegistrar etc

Author: jhoeller

org.springframework.context/src/main/java/org/springframework/scheduling/support/DelegatingExceptionProofRunnable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2009 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -82,4 +82,10 @@ public void run() {
 		}
 	}
 
+
+	@Override
+	public String toString() {
+		return "DelegatingExceptionProofRunnable for " + this.delegate;
+	}
+
 }

org.springframework.context/src/main/java/org/springframework/scheduling/support/ScheduledTaskRegistrar.java

@@ -0,0 +1,123 @@
+/*
+ * Copyright 2002-2009 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.scheduling.support;
+
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.scheduling.TaskScheduler;
+import org.springframework.scheduling.Trigger;
+import org.springframework.scheduling.concurrent.ConcurrentTaskScheduler;
+import org.springframework.util.Assert;
+
+/**
+ * Helper bean for registering tasks with a {@link TaskScheduler},
+ * typically using cron expressions.
+ *
+ * @author Juergen Hoeller
+ * @since 3.0
+ */
+public class ScheduledTaskRegistrar implements InitializingBean, DisposableBean {
+
+	private TaskScheduler taskScheduler;
+
+	private Map<Runnable, Trigger> triggerTasks;
+
+	private Map<Runnable, String> cronTasks;
+
+	private Map<Runnable, Long> fixedRateTasks;
+
+	private Map<Runnable, Long> fixedDelayTasks;
+
+	private final Set<ScheduledFuture> scheduledFutures = new LinkedHashSet<ScheduledFuture>();
+
+
+	public void setTaskScheduler(TaskScheduler taskScheduler) {
+		Assert.notNull(taskScheduler, "TaskScheduler must not be null");
+		this.taskScheduler = taskScheduler;
+	}
+
+	public void setScheduler(Object scheduler) {
+		Assert.notNull(scheduler, "Scheduler object must not be null");
+		if (scheduler instanceof TaskScheduler) {
+			this.taskScheduler = (TaskScheduler) scheduler;
+		}
+		else if (scheduler instanceof ScheduledExecutorService) {
+			this.taskScheduler = new ConcurrentTaskScheduler(((ScheduledExecutorService) scheduler));
+		}
+		else {
+			throw new IllegalArgumentException("Unsupported scheduler type: " + scheduler.getClass());
+		}
+	}
+
+	public void setTriggerTasks(Map<Runnable, Trigger> triggerTasks) {
+		this.triggerTasks = triggerTasks;
+	}
+
+	public void setCronTasks(Map<Runnable, String> cronTasks) {
+		this.cronTasks = cronTasks;
+	}
+
+	public void setFixedRateTasks(Map<Runnable, Long> fixedRateTasks) {
+		this.fixedRateTasks = fixedRateTasks;
+	}
+
+	public void setFixedDelayTasks(Map<Runnable, Long> fixedDelayTasks) {
+		this.fixedDelayTasks = fixedDelayTasks;
+	}
+
+
+	public void afterPropertiesSet() {
+		if (this.taskScheduler == null) {
+			this.taskScheduler = new ConcurrentTaskScheduler(Executors.newSingleThreadScheduledExecutor());
+		}
+		if (this.triggerTasks != null) {
+			for (Map.Entry<Runnable, Trigger> entry : this.triggerTasks.entrySet()) {
+				this.scheduledFutures.add(this.taskScheduler.schedule(entry.getKey(), entry.getValue()));
+			}
+		}
+		if (this.cronTasks != null) {
+			for (Map.Entry<Runnable, String> entry : cronTasks.entrySet()) {
+				this.scheduledFutures.add(this.taskScheduler.schedule(entry.getKey(), new CronTrigger(entry.getValue())));
+			}
+		}
+		if (this.fixedRateTasks != null) {
+			for (Map.Entry<Runnable, Long> entry : this.fixedRateTasks.entrySet()) {
+				this.scheduledFutures.add(this.taskScheduler.scheduleAtFixedRate(entry.getKey(), entry.getValue()));
+			}
+		}
+		if (this.fixedDelayTasks != null) {
+			for (Map.Entry<Runnable, Long> entry : this.fixedDelayTasks.entrySet()) {
+				this.scheduledFutures.add(this.taskScheduler.scheduleWithFixedDelay(entry.getKey(), entry.getValue()));
+			}
+		}
+	}
+
+
+	public void destroy() {
+		for (ScheduledFuture future : this.scheduledFutures) {
+			future.cancel(true);
+		}
+	}
+
+}

org.springframework.context/src/test/java/org/springframework/core/task/NoOpRunnable.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2007 the original author or authors.
+ * Copyright 2002-2009 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,6 +25,7 @@ public class NoOpRunnable implements Runnable {
 
 	public void run() {
 		// explicit no-op
+		System.out.println("Running");
 	}
 
-}
+}