Provide accessors to scheduled tasks

Updated ScheduledTaskRegistrar to offer accessors to the tasks
it is responsible to schedule.

Issue: SPR-12748

spring-context/src/main/java/org/springframework/scheduling/config/ScheduledTaskRegistrar.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -17,6 +17,7 @@
 package org.springframework.scheduling.config;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Date;
 import java.util.LinkedHashSet;
 import java.util.List;
@@ -47,6 +48,7 @@ import org.springframework.util.CollectionUtils;
  *
  * @author Juergen Hoeller
  * @author Chris Beams
+ * @author Tobias Montagna-Hay
  * @since 3.0
  * @see org.springframework.scheduling.annotation.EnableAsync
  * @see org.springframework.scheduling.annotation.SchedulingConfigurer
@@ -123,6 +125,14 @@ public class ScheduledTaskRegistrar implements InitializingBean, DisposableBean
 		this.triggerTasks = triggerTasks;
 	}
 
+	/**
+	 * Return the trigger tasks as a list of {@link TriggerTask}
+	 * @since 4.2
+	 */
+	public List<TriggerTask> getTriggerTaskList() {
+		return Collections.unmodifiableList(this.triggerTasks);
+	}
+
 	/**
 	 * Specify triggered tasks as a Map of Runnables (the tasks) and cron expressions.
 	 * @see CronTrigger
@@ -144,6 +154,14 @@ public class ScheduledTaskRegistrar implements InitializingBean, DisposableBean
 		this.cronTasks = cronTasks;
 	}
 
+	/**
+	 * Return the cron tasks as a list of {@link CronTask}
+	 * @since 4.2
+	 */
+	public List<CronTask> getCronTaskList() {
+		return Collections.unmodifiableList(this.cronTasks);
+	}
+
 	/**
 	 * Specify triggered tasks as a Map of Runnables (the tasks) and fixed-rate values.
 	 * @see TaskScheduler#scheduleAtFixedRate(Runnable, long)
@@ -165,6 +183,14 @@ public class ScheduledTaskRegistrar implements InitializingBean, DisposableBean
 		this.fixedRateTasks = fixedRateTasks;
 	}
 
+	/**
+	 * Return the fixed-rate tasks as a list of {@link IntervalTask}.
+	 * @since 4.2
+	 */
+	public List<IntervalTask> getFixedRateTaskList() {
+		return Collections.unmodifiableList(this.fixedRateTasks);
+	}
+
 	/**
 	 * Specify triggered tasks as a Map of Runnables (the tasks) and fixed-delay values.
 	 * @see TaskScheduler#scheduleWithFixedDelay(Runnable, long)
@@ -186,6 +212,14 @@ public class ScheduledTaskRegistrar implements InitializingBean, DisposableBean
 		this.fixedDelayTasks = fixedDelayTasks;
 	}
 
+	/**
+	 * Return the fixed-delay tasks as a list of {@link IntervalTask}
+	 * @since 4.2
+	 */
+	public List<IntervalTask> getFixedDelayTaskList() {
+		return Collections.unmodifiableList(this.fixedDelayTasks);
+	}
+
 	/**
 	 * Add a Runnable task to be triggered per the given {@link Trigger}.
 	 * @see TaskScheduler#scheduleAtFixedRate(Runnable, long)

spring-context/src/test/java/org/springframework/scheduling/config/ScheduledTaskRegistrarTest.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2002-2015 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.config;
+
+import java.util.Collections;
+import java.util.List;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.*;
+
+/**
+ * @author Tobias Montagna-Hay
+ */
+public class ScheduledTaskRegistrarTest {
+
+	private final ScheduledTaskRegistrar taskRegistrar = new ScheduledTaskRegistrar();
+
+	@Test
+	public void getTriggerTasks() {
+		TriggerTask mockTriggerTask = mock(TriggerTask.class);
+		List<TriggerTask> triggerTaskList = Collections.singletonList(mockTriggerTask);
+		this.taskRegistrar.setTriggerTasksList(triggerTaskList);
+		List<TriggerTask> retrievedList = this.taskRegistrar.getTriggerTaskList();
+		assertEquals(1, retrievedList.size());
+		assertEquals(mockTriggerTask, retrievedList.get(0));
+	}
+
+	@Test
+	public void getCronTasks() {
+		CronTask mockCronTask = mock(CronTask.class);
+		List<CronTask> cronTaskList = Collections.singletonList(mockCronTask);
+		this.taskRegistrar.setCronTasksList(cronTaskList);
+		List<CronTask> retrievedList = this.taskRegistrar.getCronTaskList();
+		assertEquals(1, retrievedList.size());
+		assertEquals(mockCronTask, retrievedList.get(0));
+	}
+
+	@Test
+	public void testGetFixedRateTasks() {
+		IntervalTask mockFixedRateTask = mock(IntervalTask.class);
+		List<IntervalTask> fixedRateTaskList = Collections.singletonList(mockFixedRateTask);
+		this.taskRegistrar.setFixedRateTasksList(fixedRateTaskList);
+		List<IntervalTask> retrievedList = this.taskRegistrar.getFixedRateTaskList();
+		assertEquals(1, retrievedList.size());
+		assertEquals(mockFixedRateTask, retrievedList.get(0));
+	}
+
+	@Test
+	public void testGetFixedDelayTasks() {
+		IntervalTask mockFixedDelayTask = mock(IntervalTask.class);
+		List<IntervalTask> fixedDelayTaskList = Collections.singletonList(mockFixedDelayTask);
+		this.taskRegistrar.setFixedDelayTasksList(fixedDelayTaskList);
+		List<IntervalTask> retrievedList = this.taskRegistrar.getFixedDelayTaskList();
+		assertEquals(1, retrievedList.size());
+		assertEquals(mockFixedDelayTask, retrievedList.get(0));
+	}
+
+}