From 3b16f36d497151ea1628491a057da292855a46f1 Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@vidhukant.com>
Date: Thu, 21 Nov 2024 23:54:32 +0530
Subject: added multithreading because... yes

---
 src/Store/Book.java | 72 +++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 50 insertions(+), 22 deletions(-)

(limited to 'src/Store/Book.java')

diff --git a/src/Store/Book.java b/src/Store/Book.java
index 4232d77..fe2d63e 100644
--- a/src/Store/Book.java
+++ b/src/Store/Book.java
@@ -164,38 +164,66 @@ public class Book {
 
     public static DataListener<JSONMessage> getListHandler(boolean availableOnly) {
         return ((client, data, ackSender) -> {
-            ArrayList<Book> books = getAll(availableOnly);
-            client.sendEvent(availableOnly ? "availableBooksList" : "allBooksList", books);
+            Thread t = new Thread(() -> {
+                ArrayList<Book> books = null;
+                try {
+                    books = getAll(availableOnly);
+                } catch (SQLException e) {
+                    throw new RuntimeException(e);
+                }
+                client.sendEvent(availableOnly ? "availableBooksList" : "allBooksList", books);
+            });
+
+            t.start();
+            t.join();
         });
     }
 
     public static DataListener<JSONMessage> issueHandler() {
         return ((client, data, ackSender) -> {
-            Map d = data.getData();
-
-            int userId = (int) d.get("id");
-            Book b = new Book((int) d.get("bookId"));
-
-            if (b.issue(userId)) {
-                client.sendEvent("issued");
-            } else {
-                client.sendEvent("alreadyIssued");
-            }
+            Thread t = new Thread(() -> {
+                Map d = data.getData();
+
+                int userId = (int) d.get("id");
+                Book b = new Book((int) d.get("bookId"));
+
+                try {
+                    if (b.issue(userId)) {
+                        client.sendEvent("issued");
+                    } else {
+                        client.sendEvent("alreadyIssued");
+                    }
+                } catch (SQLException e) {
+                    throw new RuntimeException(e);
+                }
+            });
+
+            t.start();
+            t.join();
         });
     }
 
     public static DataListener<JSONMessage> returnHandler() {
         return ((client, data, ackSender) -> {
-            Map d = data.getData();
-
-            int userId = (int) d.get("id");
-            Book b = new Book((int) d.get("bookId"));
-
-            if (b.returnBook(userId)) {
-                client.sendEvent("returned");
-            } else {
-                client.sendEvent("returnFailed");
-            }
+            Thread t = new Thread(() -> {
+                Map d = data.getData();
+
+                int userId = (int) d.get("id");
+                Book b = new Book((int) d.get("bookId"));
+
+                try {
+                    if (b.returnBook(userId)) {
+                        client.sendEvent("returned");
+                    } else {
+                        client.sendEvent("returnFailed");
+                    }
+                } catch (SQLException e) {
+                    throw new RuntimeException(e);
+                }
+            });
+
+            t.start();
+            t.join();
         });
     }
 
-- 
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