text: // Copyright (c) 2013, Cornell University
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  //     * Redistributions of source code must retain the above copyright notice,
  //       this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above copyright
  //       notice, this list of conditions and the following disclaimer in the
  //       documentation and/or other materials provided with the distribution.
  //     * Neither the name of HyperDex nor the names of its contributors may be
  //       used to endorse or promote products derived from this software without
  //       specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  // POSSIBILITY OF SUCH DAMAGE.
  
  #ifndef hyperdex_admin_pending_h_
  #define hyperdex_admin_pending_h_
  
  // STL
  #include <memory>
  
  // e
  #include <e/intrusive_ptr.h>
  
  // HyperDex
  #include "include/hyperdex/admin.h"
  #include "namespace.h"
  #include "common/configuration.h"
  #include "common/ids.h"
  #include "common/network_msgtype.h"
  #include "admin/yieldable.h"
  
  BEGIN_HYPERDEX_NAMESPACE
  class admin;
  
  class pending : public yieldable
  {
  public:
  	pending(uint64_t admin_visible_id,
  	        hyperdex_admin_returncode *status);
  	virtual ~pending() throw ();
  
  public:
  	virtual void handle_sent_to(const server_id &si) = 0;
  	virtual void handle_failure(const server_id &si) = 0;
  	virtual bool handle_message(admin *cl,
  	                            const server_id &si,
  	                            network_msgtype mt,
  	                            std::auto_ptr<e::buffer> msg,
  	                            e::unpacker up,
  	                            hyperdex_admin_returncode *status) = 0;
  
  protected:
  	friend class e::intrusive_ptr<pending>;
  };
  
  END_HYPERDEX_NAMESPACE
  
  #endif // hyperdex_admin_pending_h_
  