X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2Fcache%2FAppCache.java;fp=src%2Fjalview%2Fio%2Fcache%2FAppCache.java;h=fdcad082d523e7ad5f101bf92caf49f66b7ee08c;hb=586ade46bdcd05ff028a1cff82c3c527326d28ec;hp=eaf6ecd65b25423572a18958c5287a29ad1de902;hpb=adcef27f5747b4e70e89a56c3735bc3afb8ce9bf;p=jalview.git

diff --git a/src/jalview/io/cache/AppCache.java b/src/jalview/io/cache/AppCache.java
index eaf6ecd..fdcad08 100644
--- a/src/jalview/io/cache/AppCache.java
+++ b/src/jalview/io/cache/AppCache.java
@@ -20,6 +20,8 @@
  */
 package jalview.io.cache;
 
+import jalview.bin.ApplicationSingletonProvider;
+import jalview.bin.ApplicationSingletonProvider.ApplicationSingletonI;
 import jalview.bin.Cache;
 
 import java.util.Hashtable;
@@ -31,22 +33,27 @@ import java.util.LinkedHashSet;
  * @author tcnofoegbu
  *
  */
-public class AppCache
+public class AppCache implements ApplicationSingletonI
 {
+
+  public static AppCache getInstance()
+  {
+    return (AppCache) ApplicationSingletonProvider.getInstance(AppCache.class);
+  }
+
+  private AppCache()
+  {
+    cacheItems = new Hashtable<String, LinkedHashSet<String>>();
+  }
+
   public static final String DEFAULT_LIMIT = "99";
 
   public static final String CACHE_DELIMITER = ";";
 
-  private static AppCache instance = null;
-
   private static final String DEFAULT_LIMIT_KEY = ".DEFAULT_LIMIT";
 
   private Hashtable<String, LinkedHashSet<String>> cacheItems;
 
-  private AppCache()
-  {
-    cacheItems = new Hashtable<String, LinkedHashSet<String>>();
-  }
 
   /**
    * Method to obtain all the cache items for a given cache key
@@ -66,20 +73,6 @@ public class AppCache
   }
 
   /**
-   * Returns a singleton instance of AppCache
-   * 
-   * @return
-   */
-  public static AppCache getInstance()
-  {
-    if (instance == null)
-    {
-      instance = new AppCache();
-    }
-    return instance;
-  }
-
-  /**
    * Method for persisting cache items for a given cache key
    * 
    * @param cacheKey