Constrain the type the scheduler can take

Author: ngallagher

simple/simple-common/src/main/java/org/simpleframework/common/thread/ConcurrentScheduler.java

@@ -35,6 +35,18 @@ public class ConcurrentScheduler implements Scheduler {
     */
    private final SchedulerQueue queue;
 
+   /**
+    * Constructor for the <code>ConcurrentScheduler</code> object. 
+    * This will create a scheduler with a fixed number of threads to 
+    * use before execution. Depending on the types of task that are
+    * to be executed this should be increased for accuracy.
+    * 
+    * @param type this is the type of the worker threads
+    */
+   public ConcurrentScheduler(Class<? extends Runnable> type) {
+      this(type, 10);
+   }
+   
    /**
     * Constructor for the <code>ConcurrentScheduler</code> object. 
     * This will create a scheduler with a fixed number of threads to 
@@ -44,7 +56,7 @@ public class ConcurrentScheduler implements Scheduler {
     * @param type this is the type of the worker threads
     * @param size this is the number of threads for the scheduler
     */
-   public ConcurrentScheduler(Class type, int size) {
+   public ConcurrentScheduler(Class<? extends Runnable> type, int size) {
       this.queue = new SchedulerQueue(type, size);
    }
 

simple/simple-common/src/main/java/org/simpleframework/common/thread/SchedulerQueue.java

@@ -53,7 +53,7 @@ class SchedulerQueue {
     * @param type this is the type of task to execute
     * @param size this is the number of threads for the scheduler
     */   
-   public SchedulerQueue(Class type, int size) {
+   public SchedulerQueue(Class<? extends Runnable> type, int size) {
       this.factory = new DaemonFactory(type);
       this.executor = new ScheduledThreadPoolExecutor(size, factory);
    }