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/* Copyright (C) 2013 BMW Group
* Author: Manfred Bathelt (manfred.bathelt@bmw.de)
* Author: Juergen Gehring (juergen.gehring@bmw.de)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef COMMONAPI_FACTORY_H_
#define COMMONAPI_FACTORY_H_
#include <cassert>
#include <memory>
#include <sstream>
#include <string>
#include <unordered_map>
#include <vector>
#include "MiddlewareInfo.h"
#include "Proxy.h"
#include "Runtime.h"
#include "Stub.h"
namespace CommonAPI {
class Factory;
class Runtime;
class MiddlewareInfo;
template<template<typename ...> class _ProxyType, template<typename> class _AttributeExtension>
struct DefaultAttributeProxyFactoryHelper;
template<template<typename ...> class _ProxyClass, template<typename> class _AttributeExtension>
std::shared_ptr<typename DefaultAttributeProxyFactoryHelper<_ProxyClass, _AttributeExtension>::class_t> createProxyWithDefaultAttributeExtension(Factory* specificFactory, const std::string& participantId, const std::string& domain);
class Factory {
public:
Factory(const std::shared_ptr<Runtime> runtime,
const MiddlewareInfo* middlewareInfo):
runtime_(runtime),
middlewareInfo_(middlewareInfo) {
}
virtual ~Factory() {}
template<template<typename ...> class _ProxyClass, typename ... _AttributeExtensions>
std::shared_ptr<_ProxyClass<_AttributeExtensions...> >
buildProxy(const std::string& participantId,
const std::string& domain) {
std::shared_ptr<Proxy> abstractMiddlewareProxy = createProxy(_ProxyClass<_AttributeExtensions...>::getInterfaceName(), participantId, domain);
return std::make_shared<_ProxyClass<_AttributeExtensions...>>(abstractMiddlewareProxy);
}
template<template<typename ...> class _ProxyClass, typename ... _AttributeExtensions >
std::shared_ptr<_ProxyClass<_AttributeExtensions...> >
buildProxy(const std::string& serviceAddress) {
std::string domain;
std::string serviceName;
std::string participantId;
if(!splitAddress(serviceAddress, domain, serviceName, participantId)) {
return false;
}
return buildProxy<_ProxyClass, _AttributeExtensions...>(participantId, domain);
}
template <template<typename ...> class _ProxyClass, template<typename> class _AttributeExtension>
std::shared_ptr<typename DefaultAttributeProxyFactoryHelper<_ProxyClass, _AttributeExtension>::class_t>
buildProxyWithDefaultAttributeExtension(const std::string& participantId,
const std::string& domain) {
std::shared_ptr<Proxy> abstractMiddlewareProxy = createProxy(DefaultAttributeProxyFactoryHelper<_ProxyClass, _AttributeExtension>::class_t::getInterfaceName(), participantId, domain);
return std::make_shared<typename DefaultAttributeProxyFactoryHelper<_ProxyClass, _AttributeExtension>::class_t>(abstractMiddlewareProxy);
}
template <template<typename ...> class _ProxyClass, template<typename> class _AttributeExtension>
std::shared_ptr<typename DefaultAttributeProxyFactoryHelper<_ProxyClass, _AttributeExtension>::class_t>
buildProxyWithDefaultAttributeExtension(const std::string& serviceAddress) {
std::string domain;
std::string serviceName;
std::string participantId;
if(!splitAddress(serviceAddress, domain, serviceName, participantId)) {
return false;
}
return buildProxyWithDefaultAttributeExtension<_ProxyClass, _AttributeExtension>(participantId, domain);
}
inline std::shared_ptr<Runtime> getRuntime() {
return runtime_;
}
template<typename _Stub>
bool registerService(std::shared_ptr<_Stub> stub,
const std::string& participantId,
const std::string& domain) {
std::shared_ptr<StubBase> stubBase = std::dynamic_pointer_cast<StubBase>(stub);
std::shared_ptr<CommonAPI::StubAdapter> stubAdapter = createAdapter(stubBase, _Stub::StubAdapterType::getInterfaceName(), participantId, domain);
if(!stubAdapter) {
return false;
}
std::string address = domain + ":" + _Stub::StubAdapterType::getInterfaceName() + ":" + participantId;
registeredServices_.insert( {std::move(address), stubAdapter} );
return true;
}
template<typename _Stub>
bool registerService(std::shared_ptr<_Stub> stub, const std::string& serviceAddress) {
if(registeredServices_.find(serviceAddress) != registeredServices_.end()) {
return false;
}
std::string domain;
std::string serviceName;
std::string participantId;
if(!splitAddress(serviceAddress, domain, serviceName, participantId)) {
return false;
}
return registerService<_Stub>(stub, participantId, domain);
}
inline bool unregisterService(const std::string& serviceAddress) {
return registeredServices_.erase(serviceAddress);
}
virtual std::vector<std::string> getAvailableServiceInstances(const std::string& serviceName, const std::string& serviceDomainName = "local") = 0;
virtual bool isServiceInstanceAlive(const std::string& serviceInstanceID, const std::string& serviceName, const std::string& serviceDomainName = "local") = 0;
protected:
virtual std::shared_ptr<Proxy> createProxy(const char* interfaceName, const std::string& participantId, const std::string& domain) = 0;
virtual std::shared_ptr<StubAdapter> createAdapter(std::shared_ptr<StubBase> stubBase, const char* interfaceName, const std::string& participantId, const std::string& domain) = 0;
private:
std::shared_ptr<Runtime> runtime_;
std::unordered_map<std::string, std::shared_ptr<CommonAPI::StubAdapter>> registeredServices_;
const MiddlewareInfo* middlewareInfo_;
inline bool splitAddress(const std::string& serviceAddress, std::string& domain, std::string& serviceName, std::string& participantId) {
std::istringstream addressStream(serviceAddress);
if(!std::getline(addressStream, domain, ':')) {
return false;
}
if(!std::getline(addressStream, serviceName, ':')) {
return false;
}
if(!std::getline(addressStream, participantId, ':')) {
return false;
}
if(std::getline(addressStream, participantId)) {
return false;
}
return true;
}
};
} // namespace CommonAPI
#endif // COMMONAPI_FACTORY_H_
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