修改：工程结构变更为 标准 maven 工程

src/main/java/tccn/timer/TimerExecutor.java

@@ -0,0 +1,66 @@
+package tccn.timer;
+
+import tccn.timer.queue.TimerQueue;
+import tccn.timer.task.Task;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.logging.Logger;
+
+/**
+ * @author: liangxianyou
+ */
+public class TimerExecutor {
+    private Logger logger = Logger.getLogger(this.getClass().getSimpleName());
+    private TimerQueue queue = new TimerQueue();
+    private ExecutorService executor;
+
+    public TimerExecutor(int n) {
+        executor = Executors.newFixedThreadPool(n);
+        start();
+    }
+
+    public void add(Task... task) {
+        for (Task t : task) {
+            t.setTimerExecutor(this);
+            queue.push(t);
+            logger.finest("add new task : " + t.getName());
+        }
+    }
+
+    protected void add(Task task, boolean upTime) {
+        task.setTimerExecutor(this);
+        if (upTime) task.nextTime();
+        queue.push(task);
+    }
+
+    public Task remove(String name) {
+        return queue.remove(name);
+    }
+
+    public Task get(String name) {
+        return queue.get(name);
+    }
+
+
+    public void start() {
+        new Thread(() -> {
+            while (true) {
+                try {
+                    Task take = null;
+                    try {
+                        take = queue.take();
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+
+                    //执行调度
+                    executor.execute(take);
+                    //add(take, true); //继续添加任务到 队列
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }, "Thread-Redtimer-0").start();
+    }
+}