public RecordableHistoryEvent(String eventType,Recordable recordable,String referrer,String action,Map<String,String> parameters){
  this(eventType,System.currentTimeMillis(),recordable,referrer,action,parameters);
}

public RecordableHistoryEvent ( String eventType , Recordable recordable , String referrer , String action , Map < String , String > parameters ) { this ( eventType , System . currentTimeMillis ( ) , recordable , referrer , action , parameters ) ; }
new instance with now as the current time .
