1 // ANNA - Anna is Not 'N' Anymore
3 // (c) Copyright 2005-2014 Eduardo Ramos Testillano & Francisco Ruiz Rayo
5 // https://bitbucket.org/testillano/anna
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted provided that the following conditions
11 // * Redistributions of source code must retain the above copyright
12 // notice, this list of conditions and the following disclaimer.
13 // * Redistributions in binary form must reproduce the above
14 // copyright notice, this list of conditions and the following disclaimer
15 // in the documentation and/or other materials provided with the
17 // * Neither the name of Google Inc. nor the names of its
18 // contributors may be used to endorse or promote products derived from
19 // this software without specific prior written permission.
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 // Authors: eduardo.ramos.testillano@gmail.com
34 // cisco.tierra@gmail.com
37 #ifndef anna_comm_RoundRobinDelivery_hpp
38 #define anna_comm_RoundRobinDelivery_hpp
40 #include <anna/comm/Service.hpp>
51 Servicio de reparto de carga mediante un algoritmo RoundRobin, es decir, cada uno de los mensajes enviados tiene como
52 destino uno de los recursos definidos, cuando en el mensaje i-esimo se alcance el final de la lista de recursos
53 disponibles se vuelve a empezar por el primero.
55 class RoundRobinDelivery : public comm::Service {
59 \param name Nombre logico del servicio de reparto de carga.
60 \param isCritical Indica las caracteristicas del reparto de carga. Debe valor \em true si el
61 reparto de carga a crear es critico o \em false en otro caso.
63 RoundRobinDelivery(const char* name, const bool isCritical) :
64 comm::Service(name, isCritical),
68 std::string asString() const throw();
70 xml::Node* asXML(xml::Node* parent) const throw();
73 Metodo que devuelve el nombre completo de este selector de recursos.
74 Para evitar ambiguedades este nombre incluye la lista completa de \em namespaces
75 a los que pertenece la clase.
76 \return Una cadena con el nombre de este selector.
78 static const char* className() throw() { return "anna::comm::RoundRobinDelivery"; }
81 void do_initialize() throw(RuntimeException);
84 //------------------------------------------------------------------------------------
85 // - a_iiserver: iterador que apunta al servidor que debemos usar.
86 //------------------------------------------------------------------------------------
89 comm::Resource* do_apply() throw(RuntimeException);
90 iterator advance() throw();