diff --git a/src/java/org/apache/commons/collections/LRUMap.java b/src/java/org/apache/commons/collections/LRUMap.java index ebd7cdb50..02eacf7a7 100644 --- a/src/java/org/apache/commons/collections/LRUMap.java +++ b/src/java/org/apache/commons/collections/LRUMap.java @@ -1,7 +1,7 @@ /* - * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/LRUMap.java,v 1.13 2002/04/16 21:15:13 morgand Exp $ - * $Revision: 1.13 $ - * $Date: 2002/04/16 21:15:13 $ + * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//collections/src/java/org/apache/commons/collections/LRUMap.java,v 1.14 2002/05/08 18:11:36 morgand Exp $ + * $Revision: 1.14 $ + * $Date: 2002/05/08 18:11:36 $ * * ==================================================================== * @@ -118,6 +118,24 @@ public class LRUMap extends SequencedHashMap implements Externalizable { maximumSize = i; } + /** + *
Get the value for a key from the Map. The key + * will be promoted to the Most Recently Used position. + * Note that get(Object) operations will modify + * the underlying Collection. Calling get(Object) + * inside of an iteration over keys, values, etc. is + * currently unsupported.
+ * + * @param key Key to retrieve + * @return Returns the value. Returns null if the key has a + * null value or if the key has no value. + */ + public Object get(Object key) { + Object value = remove(key); + super.put(key,value); + return value; + } + /** *Removes the key and its Object from the Map.
* @@ -157,7 +175,9 @@ public class LRUMap extends SequencedHashMap implements Externalizable { */ protected void removeLRU() { Object key = getFirstKey(); - Object value = get(key); + // be sure to call super.get(key), or you're likely to + // get infinite promotion recursion + Object value = super.get(key); remove(key); @@ -195,7 +215,9 @@ public class LRUMap extends SequencedHashMap implements Externalizable { for( Iterator iterator = keySet().iterator(); iterator.hasNext(); ) { Object key = iterator.next(); out.writeObject( key ); - Object value = get( key ); + // be sure to call super.get(key), or you're likely to + // get infinite promotion recursion + Object value = super.get( key ); out.writeObject( value ); } }