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src/main/java/server/ThreadManager.java

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+/*
+    This file is part of the HeavenMS MapleStory Server
+    Copyleft (L) 2016 - 2019 RonanLana
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation version 3 as published by
+    the Free Software Foundation. You may not use, modify or distribute
+    this program under any other version of the GNU Affero General Public
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+package server;
+
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.Executors;
+import java.util.concurrent.RejectedExecutionHandler;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+
+/**
+ *
+ * @author Ronan
+ */
+public class ThreadManager {
+    private static ThreadManager instance = new ThreadManager();
+    
+    public static ThreadManager getInstance() {
+        return instance;
+    }
+    
+    private ThreadPoolExecutor tpe;
+    
+    private ThreadManager() {}
+    
+    private class RejectedExecutionHandlerImpl implements RejectedExecutionHandler {
+
+        @Override
+        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
+            Thread t = new Thread(r);
+            t.start();
+        }
+
+    }
+    
+    public void newTask(Runnable r) {
+        tpe.execute(r);
+    }
+    
+    public void start() {
+        RejectedExecutionHandler reh = new RejectedExecutionHandlerImpl();
+        ThreadFactory tf = Executors.defaultThreadFactory();
+        
+        tpe = new ThreadPoolExecutor(20, 1000, 77, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(50), tf, reh);
+    }
+    
+    public void stop() {
+        tpe.shutdown();
+        try {
+            tpe.awaitTermination(5, TimeUnit.MINUTES);
+        } catch (InterruptedException ie) {}
+    }
+    
+}