전략 패턴

src/gof/dp/strategy/LeastJob.java

@@ -0,0 +1,13 @@
+package gof.dp.strategy;
+
+public class LeastJob implements Scheduler{
+    @Override
+    public void getNextCall() {
+        System.out.println("가장 짧은 작업을 호출한다.");
+    }
+
+    @Override
+    public void sendCallAgent() {
+        System.out.println("현재 상담업무가 없거나 상담대기가 가장 작은 상담원에게 콜한다.");
+    }
+}

src/gof/dp/strategy/Priority.java

@@ -0,0 +1,13 @@
+package gof.dp.strategy;
+
+public class Priority implements Scheduler{
+    @Override
+    public void getNextCall() {
+        System.out.println("가장 우선순위가 높은 작업을 호출한다.");
+    }
+
+    @Override
+    public void sendCallAgent() {
+        System.out.println("현상담 우선순위가 높은 상담원에게 콜한다.");
+    }
+}

src/gof/dp/strategy/Roundrobin.java

@@ -0,0 +1,13 @@
+package gof.dp.strategy;
+
+public class Roundrobin implements Scheduler{
+    @Override
+    public void getNextCall() {
+        System.out.println("순서대로 작업을 호출한다.");
+    }
+
+    @Override
+    public void sendCallAgent() {
+        System.out.println("상담원들에게 순차적으로 돌아가며 콜한다.");
+    }
+}

src/gof/dp/strategy/Scheduler.java

@@ -0,0 +1,6 @@
+package gof.dp.strategy;
+
+public interface Scheduler {
+    public void getNextCall();
+    public void sendCallAgent();
+}

src/gof/dp/strategy/SchedulerTest.java

@@ -0,0 +1,34 @@
+package gof.dp.strategy;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class SchedulerTest {
+    public static void main(String[] args) throws IOException {
+
+        Scheduler scheduler = null;
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        System.out.println("L: 가장 짧은 작업 처리");
+        System.out.println("P: 가장 우선순위가 높은 작업 우선 처리");
+        System.out.println("R: 순차적으로 작업 처리");
+
+        String input = br.readLine();
+
+        if(input.equals("L") || input.equals("ㅣ") ){
+            scheduler = new LeastJob();
+        }else if(input.equals("P") || input.equals("p") ){
+            scheduler = new Priority();
+        }else if(input.equals("R") || input.equals("r") ){
+            scheduler = new Roundrobin();
+        }else{
+            System.out.println("잘못된 입력입니다.");
+            return;
+        }
+
+        scheduler.getNextCall();
+        scheduler.sendCallAgent();
+
+    }
+}