From 6e569b43f9218dedfca08132d9b0ca0b2785f62e Mon Sep 17 00:00:00 2001
From: haerong22 <haerong22@naver.com>
Date: Fri, 17 Dec 2021 01:56:20 +0900
Subject: [PATCH] design patterns : mediator

---
 .../src/mediator/after/CleaningService.java   | 11 ++++++++
 .../gof/src/mediator/after/FrontDesk.java     | 22 ++++++++++++++++
 .../gof/src/mediator/after/Guest.java         | 26 +++++++++++++++++++
 .../gof/src/mediator/after/Restaurant.java    |  9 +++++++
 .../src/mediator/before/CleaningService.java  | 15 +++++++++++
 .../gof/src/mediator/before/Guest.java        | 17 ++++++++++++
 .../gof/src/mediator/before/Gym.java          | 10 +++++++
 .../gof/src/mediator/before/Hotel.java        | 13 ++++++++++
 .../gof/src/mediator/before/Restaurant.java   | 13 ++++++++++
 9 files changed, 136 insertions(+)
 create mode 100644 design-pattern/gof/src/mediator/after/CleaningService.java
 create mode 100644 design-pattern/gof/src/mediator/after/FrontDesk.java
 create mode 100644 design-pattern/gof/src/mediator/after/Guest.java
 create mode 100644 design-pattern/gof/src/mediator/after/Restaurant.java
 create mode 100644 design-pattern/gof/src/mediator/before/CleaningService.java
 create mode 100644 design-pattern/gof/src/mediator/before/Guest.java
 create mode 100644 design-pattern/gof/src/mediator/before/Gym.java
 create mode 100644 design-pattern/gof/src/mediator/before/Hotel.java
 create mode 100644 design-pattern/gof/src/mediator/before/Restaurant.java

diff --git a/design-pattern/gof/src/mediator/after/CleaningService.java b/design-pattern/gof/src/mediator/after/CleaningService.java
new file mode 100644
index 00000000..939005f6
--- /dev/null
+++ b/design-pattern/gof/src/mediator/after/CleaningService.java
@@ -0,0 +1,11 @@
+package mediator.after;
+
+public class CleaningService {
+
+    private FrontDesk frontDesk = new FrontDesk();
+
+    public void getTowers(Integer id, int numberOfTowers) {
+        String roomNumber = this.frontDesk.getRoomNumberFor(id);
+        System.out.println("provide " + numberOfTowers + " to " + roomNumber);
+    }
+}
diff --git a/design-pattern/gof/src/mediator/after/FrontDesk.java b/design-pattern/gof/src/mediator/after/FrontDesk.java
new file mode 100644
index 00000000..bfc5f3fc
--- /dev/null
+++ b/design-pattern/gof/src/mediator/after/FrontDesk.java
@@ -0,0 +1,22 @@
+package mediator.after;
+
+import java.time.LocalDateTime;
+
+public class FrontDesk {
+
+    private CleaningService cleaningService = new CleaningService();
+
+    private Restaurant restaurant = new Restaurant();
+
+    public void getTowers(Guest guest, int numberOfTowers) {
+        cleaningService.getTowers(guest.getId(), numberOfTowers);
+    }
+
+    public String getRoomNumberFor(Integer guestId) {
+        return "1111";
+    }
+
+    public void dinner(Guest guest, LocalDateTime dateTime) {
+        restaurant.dinner(guest.getId(), dateTime);
+    }
+}
diff --git a/design-pattern/gof/src/mediator/after/Guest.java b/design-pattern/gof/src/mediator/after/Guest.java
new file mode 100644
index 00000000..85438d1e
--- /dev/null
+++ b/design-pattern/gof/src/mediator/after/Guest.java
@@ -0,0 +1,26 @@
+package mediator.after;
+
+import java.time.LocalDateTime;
+
+public class Guest {
+
+    private Integer id;
+
+    private FrontDesk frontDesk = new FrontDesk();
+
+    public void getTowers(int numberOfTowers) {
+        this.frontDesk.getTowers(this, numberOfTowers);
+    }
+
+    public void dinner(LocalDateTime dateTime) {
+        this.frontDesk.dinner(this, dateTime);
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+}
diff --git a/design-pattern/gof/src/mediator/after/Restaurant.java b/design-pattern/gof/src/mediator/after/Restaurant.java
new file mode 100644
index 00000000..94d82183
--- /dev/null
+++ b/design-pattern/gof/src/mediator/after/Restaurant.java
@@ -0,0 +1,9 @@
+package mediator.after;
+
+import java.time.LocalDateTime;
+
+public class Restaurant {
+    public void dinner(Integer id, LocalDateTime dateTime) {
+
+    }
+}
diff --git a/design-pattern/gof/src/mediator/before/CleaningService.java b/design-pattern/gof/src/mediator/before/CleaningService.java
new file mode 100644
index 00000000..126e7154
--- /dev/null
+++ b/design-pattern/gof/src/mediator/before/CleaningService.java
@@ -0,0 +1,15 @@
+package mediator.before;
+
+public class CleaningService {
+    public void clean(Gym gym) {
+        System.out.println("clean " + gym);
+    }
+
+    public void getTower(Guest guest, int numberOfTower) {
+        System.out.println(numberOfTower + " towers to " + guest);
+    }
+
+    public void clean(Restaurant restaurant) {
+        System.out.println("clean " + restaurant);
+    }
+}
diff --git a/design-pattern/gof/src/mediator/before/Guest.java b/design-pattern/gof/src/mediator/before/Guest.java
new file mode 100644
index 00000000..5caca0d0
--- /dev/null
+++ b/design-pattern/gof/src/mediator/before/Guest.java
@@ -0,0 +1,17 @@
+package mediator.before;
+
+public class Guest {
+
+    private Restaurant restaurant = new Restaurant();
+
+    private CleaningService cleaningService = new CleaningService();
+
+    public void dinner() {
+        restaurant.dinner(this);
+    }
+
+    public void getTower(int numberOfTower) {
+        cleaningService.getTower(this, numberOfTower);
+    }
+
+}
diff --git a/design-pattern/gof/src/mediator/before/Gym.java b/design-pattern/gof/src/mediator/before/Gym.java
new file mode 100644
index 00000000..e9cd07a6
--- /dev/null
+++ b/design-pattern/gof/src/mediator/before/Gym.java
@@ -0,0 +1,10 @@
+package mediator.before;
+
+public class Gym {
+
+    private CleaningService cleaningService;
+
+    public void clean() {
+        cleaningService.clean(this);
+    }
+}
diff --git a/design-pattern/gof/src/mediator/before/Hotel.java b/design-pattern/gof/src/mediator/before/Hotel.java
new file mode 100644
index 00000000..cbcf51b0
--- /dev/null
+++ b/design-pattern/gof/src/mediator/before/Hotel.java
@@ -0,0 +1,13 @@
+package mediator.before;
+
+public class Hotel {
+
+    public static void main(String[] args) {
+        Guest guest = new Guest();
+        guest.getTower(3);
+        guest.dinner();
+
+        Restaurant restaurant = new Restaurant();
+        restaurant.clean();
+    }
+}
diff --git a/design-pattern/gof/src/mediator/before/Restaurant.java b/design-pattern/gof/src/mediator/before/Restaurant.java
new file mode 100644
index 00000000..7a4191a3
--- /dev/null
+++ b/design-pattern/gof/src/mediator/before/Restaurant.java
@@ -0,0 +1,13 @@
+package mediator.before;
+
+public class Restaurant {
+
+    private CleaningService cleaningService = new CleaningService();
+    public void dinner(Guest guest) {
+        System.out.println("dinner " + guest);
+    }
+
+    public void clean() {
+        cleaningService.clean(this);
+    }
+}