Added a peekResult method to ResultHandler.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@2078 6335cc39-0255-0410-8fd6-9bcaacd3b74c
2007-03-29 19:04:20 +00:00
parent 138f38c502
commit 39cd3f3341
1 changed files with 10 additions and 0 deletions
@@ -27,6 +27,16 @@ public class ResultHandler<T>
        }
    }

+    /**
+     * Peeks at the result, which will be returned if already available.  If the result is pending
+     * or there was an error, this method returns <code>null</code> (which, however, will also be
+     * returned if the actual result was <code>null</code>).
+     */
+    public T peekResult ()
+    {
+        return (_error == null && _list == null) ? _result : null;
+    }
+
    // documentation inherited from interface ResultListener
    public void requestCompleted (T result)
    {