private void createConduits() {
   try {
     upgradeReadLockToWriteLock();
     if (conduits == null) {
       conduits = NamedSet.create();
     }
   } finally {
     downgradeWriteLockToReadLock();
   }
 }
  public void bindParameter(String parameterName, Binding binding) {
    if (bindings == null) bindings = NamedSet.create();

    bindings.put(parameterName, binding);
  }