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From r...@apache.org
Subject cvs commit: jakarta-tomcat-connectors/util/java/org/apache/tomcat/util/collections LRUCache.java
Date Mon, 06 Jan 2003 18:34:40 GMT
remm        2003/01/06 10:34:40

  Modified:    util/java/org/apache/tomcat/util/collections LRUCache.java
  Log:
  - Minor update to LRUCache.
  
  Revision  Changes    Path
  1.3       +18 -6     jakarta-tomcat-connectors/util/java/org/apache/tomcat/util/collections/LRUCache.java
  
  Index: LRUCache.java
  ===================================================================
  RCS file: /home/cvs/jakarta-tomcat-connectors/util/java/org/apache/tomcat/util/collections/LRUCache.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- LRUCache.java	31 Dec 2001 18:20:04 -0000	1.2
  +++ LRUCache.java	6 Jan 2003 18:34:40 -0000	1.3
  @@ -88,12 +88,11 @@
       {
           currentSize = 0;
           cacheSize = i;
  +        nodes = new Hashtable(i);
       }
   
       public Object get(Object key)
       {
  -        if(nodes == null)
  -            return null;
           CacheNode node = (CacheNode)nodes.get(key);
           if(node != null)
           {
  @@ -108,8 +107,6 @@
   
       public void put(Object key, Object value)
       {
  -        if(nodes == null)
  -            nodes = new Hashtable(cacheSize);
           CacheNode node = (CacheNode)nodes.get(key);
           if(node == null)
           {
  @@ -131,10 +128,25 @@
           nodes.put(key, node);
       }
   
  +    public Object remove(Object key) {
  +        CacheNode node = (CacheNode)nodes.get(key);
  +        if (node != null) {
  +            if (node.prev != null) {
  +                node.prev.next = node.next;
  +            }
  +            if (node.next != null) {
  +                node.next.prev = node.prev;
  +            }
  +            if (last == node)
  +                last = node.prev;
  +            if (first == node)
  +                first = node.next;
  +        }
  +        return node;
  +    }
  +
       public void clear()
       {
  -        if(nodes != null)
  -            nodes.clear();
           first = null;
           last = null;
       }
  
  
  

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