From 0439b78b6bfecf6c0840d052a622d3271d21f6d3 Mon Sep 17 00:00:00 2001
From: mykola2312 <49044616+mykola2312@users.noreply.github.com>
Date: Sat, 20 Apr 2024 10:53:49 +0300
Subject: [PATCH] change LinkedList to ArrayList since in preallocated
 environment it would be O(1) access time, rather than O(n) in case of
 LinkedList

---
 src/main/java/com/mykola2312/mptv/db/DBPool.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/mykola2312/mptv/db/DBPool.java b/src/main/java/com/mykola2312/mptv/db/DBPool.java
index 1106ef0..712f97a 100644
--- a/src/main/java/com/mykola2312/mptv/db/DBPool.java
+++ b/src/main/java/com/mykola2312/mptv/db/DBPool.java
@@ -5,7 +5,7 @@ import org.checkerframework.checker.nullness.qual.*;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.SQLException;
-import java.util.LinkedList;
+import java.util.ArrayList;
 import java.util.NoSuchElementException;
 
 import org.jooq.ConnectionProvider;
@@ -17,8 +17,6 @@ public class DBPool implements ConnectionProvider {
 
     private static final Logger logger = Logger.getLogger(DBPool.class);
 
-    public static final int POOL_LOW_CAP = 4;
-
     private class DBConnection {
         public final Connection connection;
         public boolean beingUsed;
@@ -28,7 +26,9 @@ public class DBPool implements ConnectionProvider {
             this.beingUsed = beingUsed;
         }
     }
-    private LinkedList<DBConnection> connections = new LinkedList<DBConnection>();
+
+    public static final int POOL_LOW_CAP = 4;
+    private ArrayList<DBConnection> connections = new ArrayList<DBConnection>(POOL_LOW_CAP);
 
     public DBPool(String url) throws RuntimeException {
         this.url = url;