output_dummy.h

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/* * NRP Core - Backend infrastructure to synchronize simulations
 *
 * Copyright 2020-2023 NRP Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * This project has received funding from the European Union’s Horizon 2020
 * Framework Programme for Research and Innovation under the Specific Grant
 * Agreement No. 945539 (Human Brain Project SGA3).
 */
 
#ifndef OUTPUT_DUMMY_H
#define OUTPUT_DUMMY_H
 
#include <boost/python.hpp>
#include <iostream>
 
#include "nrp_event_loop/computational_graph/output_node.h"
#include "nrp_event_loop/python/output_edge.h"
 
class OutputDummy : public OutputNode<boost::python::object> {
public:
 
    OutputDummy(const std::string &id,
                bool publishFromCache = false,
                unsigned int computePeriod = 1) :
            OutputNode(id, OutputNodePolicies::PublishFormatPolicy::SERIES, publishFromCache, 0, computePeriod)
    { }
 
    size_t call_count = 0;
    const boost::python::object* lastData = nullptr;
    bool debugPrint = false;
 
protected:
 
    void sendSingleMsg(const std::string& /*id*/, const boost::python::object* data) override
    {
        if(debugPrint) {
            std::string o_s = boost::python::extract<std::string>(boost::python::str(*data));
            std::stringstream msg;
            msg << "Dummy output node " << this->id() << " got msg " << o_s;
            NRPLogger::info(msg.str());
        }
 
        lastData = data;
        call_count++;
    }
 
    void sendBatchMsg(const std::string& id, const std::vector<const boost::python::object*>& data) override
    {
        for (auto d : data) {
            sendSingleMsg(id, d);
            lastData = d;
        }
    }
};
 
 
class OutputDummyEdge : public SimpleOutputEdge<boost::python::object, OutputDummy> {
 
public:
 
    OutputDummyEdge(const std::string &keyword, const std::string &id,
                    bool publishFromCache = false,
                    unsigned int computePeriod = 1) :
            SimpleOutputEdge<boost::python::object, OutputDummy>(keyword, id, id, publishFromCache, computePeriod)
    {}
 
protected:
 
    OutputDummy* makeNewNode() override
    { return new OutputDummy(this->_id, this->_publishFromCache, this->_computePeriod); }
};
 
#endif //OUTPUT_DUMMY_H