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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ACE
//
// = FILENAME
// Name_Space.h
//
// = AUTHOR
// Prashant Jain
//
// ============================================================================
#ifndef ACE_NAME_SPACE_H
#define ACE_NAME_SPACE_H
#include "ace/pre.h"
#include "ace/ACE.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if defined (ACE_HAS_WCHAR)
#include "ace/SString.h"
#include "ace/Containers.h"
#include "ace/Name_Proxy.h"
typedef ACE_Unbounded_Set<ACE_WString> ACE_WSTRING_SET;
class ACE_Export ACE_Name_Binding
{
// = TITLE
// Maintains a mapping from name to value and type.
public:
// = Initialization and termination.
ACE_Name_Binding (const ACE_WString &n,
const ACE_WString &v,
const char *t);
// Main constructor that initializes all the fields.
ACE_Name_Binding (void);
// Default constructor.
ACE_Name_Binding (const ACE_Name_Binding &);
// Copy constructor.
void operator= (const ACE_Name_Binding &);
// Assignment operator.
~ACE_Name_Binding (void);
// Destructor.
int operator == (const ACE_Name_Binding &s) const;
// Test for equality.
ACE_WString name_;
// Name of the binding.
ACE_WString value_;
// Value of the binding.
char *type_;
// Type of the binding.
};
typedef ACE_Unbounded_Set<ACE_Name_Binding> ACE_BINDING_SET;
typedef ACE_Unbounded_Set_Iterator<ACE_Name_Binding> ACE_BINDING_ITERATOR;
typedef ACE_Unbounded_Set<ACE_WString> ACE_PWSTRING_SET;
typedef ACE_Unbounded_Set_Iterator<ACE_WString> ACE_PWSTRING_ITERATOR;
class ACE_Export ACE_Name_Space
{
// = TITLE
// Abstract base class that provides an abstract interface to
// the database without exposing any implemenation details.
//
// = DESCRIPTION
// Manages a Naming Service Name Space. Provides the basic
// methods -- bind, unbind, rebind, find, and listnames.
public:
virtual ~ACE_Name_Space (void);
// virtual destructor to ensure destructors of subclasses get
// called.
virtual int bind (const ACE_WString &name_in,
const ACE_WString &value_in,
const char *type_in = "") = 0;
// Bind a new name to a naming context (Wide character strings).
virtual int rebind (const ACE_WString &name_in,
const ACE_WString &value_in,
const char *type_in = "") = 0;
// Overwrite the value or type of an existing name in a
// ACE_Name_Space or bind a new name to the context, if it didn't
// exist yet. (Wide charcter strings interface).
virtual int unbind (const ACE_WString &name_in) = 0;
// Delete a name from a ACE_Name_Space (Wide charcter strings
// Interface).
virtual int resolve (const ACE_WString &name_in,
ACE_WString &value_out,
char *&type_out) = 0;
// Get value and type of a given name binding (Wide chars). The
// caller is responsible for deleting both <value_out> and <type_out>!
virtual int list_names (ACE_WSTRING_SET &set_out,
const ACE_WString &pattern_in) = 0;
// Get a set of names matching a specified pattern (wchars). Matching
// means the names must begin with the pattern string.
virtual int list_values (ACE_WSTRING_SET &set_out,
const ACE_WString &pattern_in) = 0;
// Get a set of values matching a specified pattern (wchars). Matching
// means the values must begin with the pattern string.
virtual int list_types (ACE_WSTRING_SET &set_out,
const ACE_WString &pattern_in) = 0;
// Get a set of types matching a specified pattern (wchars). Matching
// means the types must begin with the pattern string.
virtual int list_name_entries (ACE_BINDING_SET &set,
const ACE_WString &pattern) = 0;
// Get a set of names matching a specified pattern (wchars). Matching
// means the names must begin with the pattern string. Returns the
// complete binding associated each pattern match.
virtual int list_value_entries (ACE_BINDING_SET &set,
const ACE_WString &pattern) = 0;
// Get a set of values matching a specified pattern (wchars). Matching
// means the values must begin with the pattern string. Returns the
// complete binding associated each pattern match.
virtual int list_type_entries (ACE_BINDING_SET &set,
const ACE_WString &pattern) = 0;
// Get a set of types matching a specified pattern (wchars). Matching
// means the types must begin with the pattern string. Returns the
// complete binding associated each pattern match.
virtual void dump (void) const = 0;
// Dump the state of the object
};
#endif /* ACE_HAS_WCHAR */
#include "ace/post.h"
#endif /* ACE_NAME_SPACE_H */
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