...

src/main/java/kr/co/swh/lecture/opensource/thread/ExcutorExample.java

@@ -0,0 +1,113 @@
+package kr.co.swh.lecture.opensource.thread; 
+
+import java.io.FileInputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+import org.apache.log4j.Logger;
+
+
+/**
+ * <pre>
+ * kr.co.swh.lecture.opensource.thread 
+ * ExcutorExample.java
+ *
+ * 설명 :
+ * </pre>
+ * 
+ * @since : 2020. 10. 11.
+ * @author : tobby48
+ * @version : v1.0
+ */
+public class ExcutorExample {
+
+	private Logger log = Logger.getLogger(this.getClass());
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		
+		ExecutorService executor = Executors.newFixedThreadPool(4);
+		ExecutorService executor1 = Executors.newSingleThreadExecutor();
+		
+		executor1.execute(new ThreadRunner());
+		executor1.submit(new ThreadRunner());
+		
+		Future<Message> result = executor1.submit(new ThreadRunnerCall());
+		try {
+			System.out.println(result.get());
+		} catch (InterruptedException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (ExecutionException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		List<ThreadRunnerCall> list = new ArrayList<ThreadRunnerCall>();
+		list.add(new ThreadRunnerCall());
+		list.add(new ThreadRunnerCall());
+		list.add(new ThreadRunnerCall());
+		list.add(new ThreadRunnerCall());
+		try {
+			List<Future<Message>> response = executor.invokeAll(list);
+			
+		} catch (InterruptedException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		
+		
+//		Thread t = new Thread(new ThreadRunner());
+//		t.start();
+//		
+//		ThreadRunner1 t2 = new ThreadRunner1();
+//		t2.start();
+	}
+
+}
+
+class Message{
+	private String name;
+	private String user;
+	public Message(String name, String user) {
+		this.name = name;
+		this.user = name;
+	}
+}
+class ThreadRunnerCall implements Callable<Message>{
+
+	@Override
+	public Message call() throws Exception {
+		// TODO Auto-generated method stub
+		System.out.print(1);
+
+//		return "정상처리되었습니다";
+		return new Message("돌샘", "정상처리되었습니다");
+	}
+
+}
+
+class ThreadRunner implements Runnable{
+
+	@Override
+	public void run() {
+		// TODO Auto-generated method stub
+		System.out.print(1);
+	}
+	
+}
+class ThreadRunner1 extends Thread {
+
+	@Override
+	public void run() {
+		// TODO Auto-generated method stub
+		System.out.print(1);
+	}
+	
+}
+