From a7db7d289a14cc93aeb350920a93417a252605dc Mon Sep 17 00:00:00 2001
From: Harrison <yunyangdeng@gmail.com>
Date: Sat, 25 Apr 2020 01:32:01 -0500
Subject: [PATCH] Caching now has a fresh importance factor.

---
 .../recrown/islandsurvivalcraft/caching/Cache.java | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/main/java/ca/recrown/islandsurvivalcraft/caching/Cache.java b/src/main/java/ca/recrown/islandsurvivalcraft/caching/Cache.java
index 1b3cb51..9a3c189 100644
--- a/src/main/java/ca/recrown/islandsurvivalcraft/caching/Cache.java
+++ b/src/main/java/ca/recrown/islandsurvivalcraft/caching/Cache.java
@@ -7,11 +7,21 @@ public class Cache <CacheValueType> {
     private final int maxCacheSize;
     private final HashMap<Identifier, CacheValue<CacheValueType>> dataCache;
     private final PriorityQueue<Identifier> ids;
+    private final float freshImportanceFactor;
 
-    public Cache(int maxCacheSize) {
+    public Cache(int maxCacheSize, float freshImportanceFactor) {
         dataCache = new HashMap<>(maxCacheSize);
         ids = new PriorityQueue<>(maxCacheSize);
         this.maxCacheSize = maxCacheSize;
+        this.freshImportanceFactor = freshImportanceFactor;
+    }
+
+    public Cache() {
+        this(1024, 1f);
+    }
+
+    public Cache(int maxCacheSize) {
+        this(maxCacheSize, 1f);
     }
 
     public synchronized CacheValue<CacheValueType> retrieveCache(Identifier identifier) {        
@@ -27,7 +37,7 @@ public class Cache <CacheValueType> {
         }
         CacheValue<CacheValueType> value = new CacheValue<>(identifier);
         if (!ids.isEmpty()) {
-            identifier.usage += ids.peek().usage;
+            identifier.usage += ids.peek().usage * freshImportanceFactor;
         }
         ids.add(identifier);
         dataCache.put(identifier, value);