Finished wiring up oid list tracking; made shutdown() work on the cher

server; added an easy mechanism to write test modules and invoke them on
the server.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@192 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/dobj/DObject.java

@@ -1,5 +1,5 @@
 //
-// $Id: DObject.java,v 1.20 2001/08/07 20:38:58 mdb Exp $
+// $Id: DObject.java,v 1.21 2001/08/08 00:28:49 mdb Exp $
 
 package com.threerings.cocktail.cher.dobj;
 
@@ -165,7 +165,7 @@ public class DObject
         // scan the lock array to see if this lock is already acquired
         int slot = -1;
         for (int i = 0; i < _locks.length; i++) {
-            if (_locks[i] == null) {
+            if (_locks[i] == null && slot == -1) {
                 // keep track of this for later
                 slot = i;
             } else if (name.equals(_locks[i])) {
@@ -343,6 +343,17 @@ public class DObject
         }
     }
 
+    /**
+     * Returns true if this object is active and registered with the
+     * distributed object system. If an object is created via
+     * <code>DObjectManager.createObject</code> it will be active until
+     * such time as it is destroyed.
+     */
+    public boolean isActive ()
+    {
+        return _mgr != null;
+    }
+
     /**
      * Don't call this function! It initializes this distributed object
      * with the supplied distributed object manager. This is called by the