#ifndef _OMG_ORG_COS_LB_
#define _OMG_ORG_COS_LB_

//Lightweight Load Balancing Specification, v1.0 - OMG IDL Summary File
//Object Management Group, Inc.
//Copyright © 2009, Selex Sistemi Integrati
//The companies listed above have granted to the Object Management Group, Inc. 
//(OMG) a nonexclusive, royalty-free, paid up, worldwide license to copy and 
//distribute this document and to modify this document and distribute copies of 
//the modified version. Each of the copyright holders listed above has agreed 
//that no person shall be deemed to have infringed the copyright in the included 
//material of any such copyright holder by reason of having used the 
//specification set forth herein or having conformed any computer software to 
//the specification. 
//
//File: LWLoadBalancing.idl


#include <PortableGroup.idl>

#pragma prefix "omg.org"

module CosLB {

  struct MemberInfo {
    Object       the_reference;
    PortableGroup::Location the_location;
  }; 

  typedef sequence<MemberInfo> MemberInfoSeq;

  interface LBGroupManager : 
      PortableGroup::GenericFactory,
      PortableGroup::ObjectGroupManager
  {

  };

  interface Strategy
  {
    readonly attribute string name;
    Object next_member(in PortableGroup::ObjectGroup object_group);
  };

  exception UnknownStrategy {};
  exception StrategyAlreadyRegistered {};
  exception InvalidObjectGroup {};

  interface LoadBalancingService {

      void register_strategy(in Strategy s)
         raises(StrategyAlreadyRegistered);

      void unregister_strategy(in string name)
         raises(UnknownStrategy);

     Strategy get_strategy(in string name)
         raises(UnknownStrategy);

     Strategy get_group_strategy(in ::PortableGroup::ObjectGroup object_group)
         raises(InvalidObjectGroup);

     ::PortableGroup::ObjectGroup
     create_lb_group(in MemberInfoSeq members,
                     in PortableGroup::ObjectGroupId object_group_id,
                     in string type_id,
                     in string lb_domain_id,
                     in string lb_policy,
                     inout PortableGroup::ObjectGroupRefVersion object_group_ref_version)
        raises(PortableGroup::ObjectNotCreated);
   };

};
#endif /* _OMG_ORG_COS_LB_ */