81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/*
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* Licensed to Green Energy Corp (www.greenenergycorp.com) under one or
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* more contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright ownership.
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* Green Energy Corp licenses this file to you under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This project was forked on 01/01/2013 by Automatak, LLC and modifications
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* may have been made to this file. Automatak, LLC licenses these modifications
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* to you under the terms of the License.
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*/
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#ifndef OPENDNP3_EVENTCELLS_H
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#define OPENDNP3_EVENTCELLS_H
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#include "opendnp3/app/EventType.h"
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#include "opendnp3/gen/PointClass.h"
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namespace opendnp3
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{
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/// A null object for types that have no metadata
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struct EmptyEventCell
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{
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};
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/// Base class for different types of event metadata
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template <class Spec>
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struct EventCellBase
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{
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PointClass clazz;
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typename Spec::meas_t lastEvent;
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typename Spec::event_variation_t evariation;
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void SetEventValue(const typename Spec::meas_t& value)
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{
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lastEvent = value;
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}
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protected:
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EventCellBase() : clazz(PointClass::Class1), lastEvent(), evariation(Spec::DefaultEventVariation)
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{}
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};
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/// Metatype w/o a deadband
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template <class Spec>
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struct SimpleEventCell : EventCellBase<Spec>
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{
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bool IsEvent(const typename Spec::config_t& config, const typename Spec::meas_t& newValue) const
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{
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return Spec::IsEvent(this->lastEvent, newValue);
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}
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};
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/// Structure for holding metadata information on points that have support deadbanding
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template <class Spec>
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struct DeadbandEventCell : SimpleEventCell<Spec>
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{
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bool IsEvent(const typename Spec::config_t& config, const typename Spec::meas_t& newValue) const
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{
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return Spec::IsEvent(this->lastEvent, newValue, config.deadband);
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}
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};
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} //end namespace
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#endif
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