spring增强访问者模式-改造后-jdk17 Pattern Matching

src/main/java/top/fjy8018/designpattern/pattern/creational/factorymethod/AbstractVideoFactory.java

@@ -1,8 +1,5 @@
 package top.fjy8018.designpattern.pattern.creational.factorymethod;
 
-import sun.misc.Launcher;
-
-import java.util.Collection;
 
 /**
  * 定义一个创建产品对象的工厂接口，将实际创建工作推迟到子类当中

src/test/java/top/fjy8018/designpattern/pattern/behavior/visitor/spring/DrawServiceTest.java

@@ -29,6 +29,14 @@ class DrawServiceTest {
 		draw(new Factory());
 	}
 
+	/**
+	 * 输出：draw factory
+	 */
+	@Test
+	public void draw17() {
+		draw17(new Factory());
+	}
+
 	@Test
 	public void draw2() {
 		Visitor drawVisitor = new DrawVisitor();
@@ -52,4 +60,17 @@ class DrawServiceTest {
 		}
 	}
 
+	private void draw17(Node node) {
+		DrawService drawService = new DrawService();
+		if (node instanceof Building building) {
+			drawService.draw(building);
+		} else if (node instanceof Factory factory) {
+			drawService.draw(factory);
+		} else if (node instanceof School school) {
+			drawService.draw(school);
+		} else {
+			drawService.draw(node);
+		}
+	}
+
 }