[Strategy Pattern] example 02

jihunparkme · Dec 1, 2022 · ae539d6 · ae539d6
1 parent b31151e
commit ae539d6
Showing 1 changed file with 60 additions and 0 deletions.
diff --git a/advanced/src/test/java/hello/advanced/trace/strategy/ContextV1Test.java b/advanced/src/test/java/hello/advanced/trace/strategy/ContextV1Test.java
@@ -44,4 +44,64 @@ void strategyV1() {
         ContextV1 context2 = new ContextV1(strategyLogic2);
         context2.execute();
     }
+
+    /**
+     * 전략 패턴 익명 내부 클래스1
+     */
+    @Test
+    void strategyV2() {
+        Strategy strategyLogic1 = new Strategy() {
+            @Override
+            public void call() {
+                log.info("비즈니스 로직1 실행");
+            }
+        };
+        log.info("strategyLogic1={}", strategyLogic1.getClass());
+        ContextV1 context1 = new ContextV1(strategyLogic1);
+        context1.execute();
+
+        Strategy strategyLogic2 = new Strategy() {
+            @Override
+            public void call() {
+                log.info("비즈니스 로직2 실행");
+            }
+        };
+        log.info("strategyLogic2={}", strategyLogic2.getClass());
+        ContextV1 context2 = new ContextV1(strategyLogic2);
+        context2.execute();
+    }
+
+    /**
+     * 전략 패턴 익명 내부 클래스2
+     */
+    @Test
+    void strategyV3() {
+        ContextV1 context1 = new ContextV1(new Strategy() {
+            @Override
+            public void call() {
+                log.info("비즈니스 로직1 실행");
+            }
+        });
+        context1.execute();
+
+        ContextV1 context2 = new ContextV1(new Strategy() {
+            @Override
+            public void call() {
+                log.info("비즈니스 로직2 실행");
+            }
+        });
+        context2.execute();
+    }
+
+    /**
+     * 전략 패턴, 람다
+     */
+    @Test
+    void strategyV4() {
+        ContextV1 context1 = new ContextV1(() -> log.info("비즈니스 로직1 실행"));
+        context1.execute();
+
+        ContextV1 context2 = new ContextV1(() -> log.info("비즈니스 로직2 실행"));
+        context2.execute();
+    }
 }