From 13353094e3e53f7b41e8ff6b66b020d77f5cf24f Mon Sep 17 00:00:00 2001
From: 0xSeb <contact@skate702.de>
Date: Thu, 29 Oct 2015 01:26:08 +0100
Subject: [PATCH] Fixed stupid memory lag. Managers are now using
 Singleton-pattern!

---
 .../skate702/craftingkeys/CraftingKeys.java   |  2 +-
 .../manager/ContainerManager.java             |  2 +-
 .../craftingkeys/manager/CraftingManager.java | 19 ++++++++++++++++++-
 3 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/src/main/java/de/skate702/craftingkeys/CraftingKeys.java b/src/main/java/de/skate702/craftingkeys/CraftingKeys.java
index 3a842f2..7c9bb23 100644
--- a/src/main/java/de/skate702/craftingkeys/CraftingKeys.java
+++ b/src/main/java/de/skate702/craftingkeys/CraftingKeys.java
@@ -107,7 +107,7 @@ public class CraftingKeys {
 
             if (currentScreen instanceof GuiCrafting) {
 
-                ContainerManager con = new CraftingManager(
+                ContainerManager con = CraftingManager.getInstance(
                         ((GuiCrafting) currentScreen).inventorySlots);
                 con.acceptKey();
 
diff --git a/src/main/java/de/skate702/craftingkeys/manager/ContainerManager.java b/src/main/java/de/skate702/craftingkeys/manager/ContainerManager.java
index 021b429..eddd4da 100644
--- a/src/main/java/de/skate702/craftingkeys/manager/ContainerManager.java
+++ b/src/main/java/de/skate702/craftingkeys/manager/ContainerManager.java
@@ -21,7 +21,7 @@ public abstract class ContainerManager {
      *
      * @param container The container to work with
      */
-    public ContainerManager(Container container) {
+    protected ContainerManager(Container container) {
         this.container = container;
     }
 
diff --git a/src/main/java/de/skate702/craftingkeys/manager/CraftingManager.java b/src/main/java/de/skate702/craftingkeys/manager/CraftingManager.java
index cbd493b..6445741 100644
--- a/src/main/java/de/skate702/craftingkeys/manager/CraftingManager.java
+++ b/src/main/java/de/skate702/craftingkeys/manager/CraftingManager.java
@@ -12,15 +12,32 @@ import org.lwjgl.input.Keyboard;
 
 public class CraftingManager extends ContainerManager {
 
+    private static CraftingManager instance = null;
+
     /**
      * Creates a new Crafting Manager with the given container.
      *
      * @param container The container from a crafting GUI
      */
-    public CraftingManager(Container container) {
+    private CraftingManager(Container container) {
         super(container);
     }
 
+    /**
+     * Returns a Crafting Manager Instance operating on the given container
+     *
+     * @param container A container from a GUI
+     * @return manager-singleton
+     */
+    public static CraftingManager getInstance(Container container) {
+        if (instance == null) {
+            instance = new CraftingManager(container);
+        } else {
+            instance.container = container;
+        }
+        return instance;
+    }
+
     @Override
     public void acceptKey() {