diff -r 294a39765b0b -r 019f1e9f7741 samples/messagedigest/src-bridge/org/apidesign/impl/security/extension/BridgeToOld.java
--- a/samples/messagedigest/src-bridge/org/apidesign/impl/security/extension/BridgeToOld.java	Sat Jun 14 09:52:25 2008 +0200
+++ b/samples/messagedigest/src-bridge/org/apidesign/impl/security/extension/BridgeToOld.java	Sat Jun 14 09:52:26 2008 +0200
@@ -19,37 +19,23 @@
  *
  * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
  */
-// BEGIN: day.end.bridges.BridgeToOld
-public final class BridgeToOld extends Provider {
+public class BridgeToOld extends Provider {
 
     public BridgeToOld() {
         super("spi.Digestor", 1.0, "");
         Security.addProvider(this);
     }
-
-    // BEGIN: day.end.bridges.cycle
-    private ThreadLocal<Boolean> searching = new ThreadLocal<Boolean>();
-    final boolean isSearching() {
-        return Boolean.TRUE.equals(searching.get());
-    }
     
     @Override
     public synchronized Service getService(String type, String algorithm) {
-        Boolean prev = searching.get();
-        try {
-            searching.set(Boolean.TRUE);
-            if ("MessageDigest".equals(type)) {
-                Digest dig = Digest.getInstance(algorithm);
-                if (dig != null) {
-                    return new ServiceImpl(dig, this, type, algorithm, "", Collections.<String>emptyList(), Collections.<String,String>emptyMap());
-                }
+        if ("MessageDigest".equals(type)) {
+            Digest dig = Digest.getInstance(algorithm);
+            if (dig != null) {
+                return new ServiceImpl(dig, this, type, algorithm, "", Collections.<String>emptyList(), Collections.<String,String>emptyMap());
             }
-            return null;
-        } finally {
-            searching.set(prev);
         }
+        return null;
     }
-    // END: day.end.bridges.cycle
 
     private static class ServiceImpl<Data> extends Service {
         Digest dig;
@@ -94,4 +80,3 @@
     }
 
 }
-// END: day.end.bridges.BridgeToOld