--- projects/cms/source/util/uk/org/iscream/cms/util/Queue.java	2001/03/14 23:25:29	1.16
+++ projects/cms/source/util/uk/org/iscream/cms/util/Queue.java	2001/03/17 18:48:22	1.18
@@ -14,7 +14,7 @@ import uk.org.iscream.util.*;
  * actually contains some elements.
  *
  * @author  $Author: tdb $
- * @version $Id: Queue.java,v 1.16 2001/03/14 23:25:29 tdb Exp $
+ * @version $Id: Queue.java,v 1.18 2001/03/17 18:48:22 tdb Exp $
  */
 public class Queue {
 
@@ -23,7 +23,7 @@ public class Queue {
     /**
      * The current CVS revision of this class
      */
-    public static final String REVISION = "$Revision: 1.16 $";
+    public static final String REVISION = "$Revision: 1.18 $";
     
     /**
      * Pass to constructor to remove a RANDOM item from
@@ -49,6 +49,11 @@ public class Queue {
      */
     public static final int DROP = 3;
     
+    /**
+     * To allow opposite lookups.
+     */
+    public static final String[] algorithms = {"RANDOM", "FIRST", "LAST", "DROP"};
+    
 //---STATIC METHODS---
 
 //---CONSTRUCTORS---  
@@ -131,8 +136,8 @@ public class Queue {
             throw new InvalidQueueException("Requested queue "+queue+" does not exist");
         }
         // block if the queue is empty
-        if (((LinkedList) _lists.get(queue)).size() == 0) {
-            synchronized(((LinkedList) _lists.get(queue))) {
+        synchronized(((LinkedList) _lists.get(queue))) {
+            if (((LinkedList) _lists.get(queue)).size() == 0) {
                 try { ((LinkedList) _lists.get(queue)).wait(); } catch(Exception e) {}
             }
         }