A no-op ResultListener, useful on certain occasions.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@1504 6335cc39-0255-0410-8fd6-9bcaacd3b74c
2004-09-21 02:34:11 +00:00
parent 50f0b75408
commit 35f9b6cc1d
1 changed files with 9 additions and 0 deletions
@@ -47,4 +47,13 @@ public interface ResultListener
     * reason for failure.
     */
    public void requestFailed (Exception cause);
+
+    /** Useful when you want to allow optional result listeners but don't
+     * want to have to check before calling. */
+    public static final ResultListener NOOP = new ResultListener() {
+        public void requestCompleted (Object result) {
+        }
+        public void requestFailed (Exception cause) {
+        }
+    };
 }