1 files changed, 99 insertions, 0 deletions
diff --git a/TAO/tao/IOR_LookupTable.h b/TAO/tao/IOR_LookupTable.h
new file mode 100644
index 00000000000..b53fd53e50f
--- /dev/null
+++ b/TAO/tao/IOR_LookupTable.h
@@ -0,0 +1,99 @@
+/* -*- C++ -*- */
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//     TAO
+//
+// = FILENAME
+//     IOR_LookupTable.h
+//
+// = DESCRIPTION
+//     Contains the class that defines the IOR lookup table.
+//
+// = AUTHOR
+//     Vishal Kachroo
+//     Ossama Othman
+//
+// ============================================================================
+
+#ifndef TAO_IOR_LOOKUPTABLE_H
+#define TAO_IOR_LOOKUPTABLE_H
+#include "ace/pre.h"
+
+#include "ace/Synch_T.h"
+#include "ace/Hash_Map_Manager.h"
+#include "tao/corbafwd.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+class TAO_Export TAO_IOR_LookupTable_Callback
+{
+public:
+  virtual int find_ior (const ACE_CString &object_name,
+                        ACE_CString &ior);
+};
+
+class TAO_Export TAO_IOR_LookupTable
+{
+  //   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.
+
+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.
+
+  void register_callback (TAO_IOR_LookupTable_Callback *callback, 
+                          int delete_callback = 0);
+  // Registers a callback class with the lookup table.
+
+  CORBA_ORB_ObjectIdList_ptr list_initial_services (
+              CORBA_Environment &ACE_TRY_ENV = TAO_default_environment ());
+  // Returns a sequence of ObjectIds that lists which objects have
+  // references available via the initial references mechanism.
+
+  typedef ACE_Hash_Map_Manager<ACE_CString,
+                               ACE_CString,
+                               ACE_Null_Mutex> TAO_IOR_Map;
+
+private:
+  TAO_IOR_Map table_;
+  // Maintains the table of object_names -> IORs.
+
+  TAO_IOR_LookupTable_Callback *callback_;
+  // The callback class that table can also use to find IORs.
+  
+  int delete_callback_;
+  // If true, means delete the callback_.
+};
+
+#include "ace/post.h"
+#endif /* TAO_IOR_LOOKUPTABLE_H */
+