package org.lcsim.conditions;
   
   import org.lcsim.conditions.ConditionsManager.ConditionsSetNotFoundException;
   
   /**
    * A base class implemented by all types of conditions.
    * @version $Id: Conditions.java,v 1.2 2013/10/18 21:42:47 jeremy Exp $
    * @author Tony Johnson
    */
  public interface Conditions {
      ConditionsSet getSubConditions(String name) throws ConditionsSetNotFoundException;
  
      RawConditions getRawSubConditions(String name) throws ConditionsSetNotFoundException;
  
      <T> CachedConditions<T> getCachedSubConditions(Class<T> type, String name) throws ConditionsSetNotFoundException;
  
      /**
       * Add a listener to be notified about changes to these conditions.
       * @param listener The listener to add.
       */
      void addConditionsListener(ConditionsListener listener);
  
      /**
       * Remove a change listener from these conditions.
       * @param listener The listener to remove.
       */
      void removeConditionsListener(ConditionsListener listener);
  }