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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// none
//
// = FILENAME
// Local_Locator.h
//
// = AUTHOR
// Nanbor Wang
//
// ============================================================================
#ifndef ACE_LOCAL_LOCATOR_H
#define ACE_LOCAL_LOCATOR_H
#include "URL_Locator.h"
#include "ace/Containers.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ID_Generator.h"
class ACE_Svc_Export ACE_URL_Record
// = TITLE
// A URL Record.
//
// = DESCRIPTION
// A record placed in URL repository. Notice that
// both member pointers are own by URL_Record.
// They will get deallocated when the object goes
// out of scope.
{
friend class ACE_URL_Local_Locator;
friend class ACE_Node<ACE_URL_Record>;
// We are making ACE_Node as friend class because we don't want
// others to access default constructor and pushing in an invalid
// record. However, container classes need to use default constructor
// for its head record.
public:
ACE_URL_Record (ACE_URL_Offer *offer);
// ctor.
~ACE_URL_Record (void);
// dtor.
int operator== (const ACE_URL_Record &rhs) const;
// Two records are equal if they have the same offer id.
int operator!= (const ACE_URL_Record &rhs) const;
// Unequal, complement of equal.
private:
ACE_URL_Record (void);
// Default ctor. This is put here to prevent users from
// pushing in an invalid record.
ACE_WString *id_;
// Offer ID in the repository.
ACE_URL_Offer *offer_;
// Offer (and its properties).
};
class ACE_Svc_Export ACE_URL_Local_Locator
// = TITLE
// A simple URL repository to store URL offer locally.
//
// = DESCRIPTION
// This class manage a collection of URL offers
// for local query and registration. But we should
// really use it within a server.
{
virtual ~ACE_URL_Local_Locator (void);
// Default destructor.
virtual int url_query (const ACE_URL_Locator::ACE_Selection_Criteria how,
const ACE_URL_Property_Seq *pseq,
const size_t how_many,
size_t &num_query,
ACE_URL_Offer_Seq *offer);
// Query the locator for HTTP with designate properties (none, some,
// or all). The locator being queried will return a sequence of
// offers with <how_many> offers in it. This interface allocates
// <offer> so users must deallocate it after use.
virtual int export_offer (ACE_URL_Offer *offer,
ACE_WString &offer_id);
// Export an offer to the locator.
virtual int withdraw_offer (const ACE_WString &offer_id);
// Withdraw an offer. return 0 if succeed, -1 otherwise.
virtual int describe_offer (const ACE_WString &offer_id,
ACE_URL_Offer *offer);
// Query a specific offer.
virtual int modify_offer (const ACE_WString &offer_id,
const ACE_WString *url = 0,
const ACE_URL_Property_Seq *del = 0,
const ACE_URL_Property_Seq *modify = 0);
// Modify a previously registered offer.
protected:
ACE_Unbounded_Set<ACE_URL_Record> repository_;
};
#if defined (__ACE_INLINE__)
#include "Local_Locator.i"
#endif /* __ACE_INLINE__ */
#endif /* ACE_LOCAL_LOCATOR_H */
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