/** * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies * * Please see distribution for license. */ package com.opengamma.core; import com.opengamma.id.ObjectId; /** * Listener providing callbacks when the object changes. */ public interface ObjectChangeListener { /** * Callback that is invoked if the object identifier now refers to a object. * * @param oid the object identifier, not null */ void objectChanged(ObjectId oid); }