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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/orbsvcs
//
// = FILENAME
// IOR_LookupTable.h
//
// = DESCRIPTION
// Represents a table for the IOR lookups, given the object keys. A Hash_Map_Manager
// is being used currently for the table. This could be changed/added-on-to by other
// data structures like a file etc. This class is going to be used as a backing store
// by the resolve initial references. IOR_Multicast will be responsible for initialising
// this class.
//
// = AUTHOR
// Vishal Kachroo.
//
// ============================================================================
#ifndef TAO_IOR_LOOKUPTABLE_H
#define TAO_IOR_LOOKUPTABLE_H
#include "ace/Synch_T.h"
#include "ace/Hash_Map_Manager.h"
#include "orbsvcs/orbsvcs_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class TAO_ORBSVCS_Export TAO_IOR_LookupTable
{
public:
// = Initialization and termination methods.
TAO_IOR_LookupTable (void);
// Constructor.
~TAO_IOR_LookupTable (void);
// Destructor.
int init (void);
// This creates and initialises the table.
// Currently, the hash map manager.
int add_ior (const ACE_CString &object_name,
const ACE_CString &ior);
// Associate <object_name> with <ior>. If <object_name> is already in the
// map then the <ACE_Hash_Map_Entry> is not changed. Returns 0 if a
// new IOR is bound successfully, returns 1 if an attempt is made
// to bind an existing object_name, and returns -1 if failures occur.
int find_ior (const ACE_CString &object_name,
ACE_CString &ior);
// Locate <object_name> and pass out parameter via <ior>. If the IOR is
// found, return 0. Return -1 if not found.
private:
ACE_CString object_name_;
// object string to do the lookup with.
ACE_CString ior_;
// IOR returned as a result of the lookup.
ACE_Hash_Map_Manager<ACE_CString,
ACE_CString,
ACE_Null_Mutex> hash_map_;
// Maintains the table of object_names -> IORs.
};
#endif /* TAO_IOR_LOOKUPTABLE_H */
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