Some types of DSet may be okay with larger sizes before warning, break out the cutoff so we can override.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6046 542714f4-19e9-0310-aa3c-eee0fc999fb1

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

@@ -320,7 +320,7 @@ public class DSet<E extends DSet.Entry>
         int elength = _entries.length;
         if (_size >= elength) {
             // sanity check
-            if (elength > 2048) {
+            if (elength > getWarningSize()) {
                 log.warning("Requested to expand to questionably large size", "l", elength,
                             new Exception());
             }
@@ -425,6 +425,14 @@ public class DSet<E extends DSet.Entry>
         }
     }
 
+    /**
+     * Returns the minimum size where we should warn that we're getting a bit large.
+     */
+    protected int getWarningSize ()
+    {
+        return 2048;
+    }
+
     /**
      * Generates a shallow copy of this object in a type safe manner.
      *