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/* This file is part of Charon.
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Charon is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Charon is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with Charon. If not, see <http://www.gnu.org/licenses/>.
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/** @file AbstractData.hxx
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* Declaration and implementation of the abstract class
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* @author <a href="mailto:jmgottfried@web.de">Jens-Malte Gottfried</a>
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#ifndef _ABSTRACT_DATA_HXX_
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#define _ABSTRACT_DATA_HXX_
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/// Interface for data acces.
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/// This is the common interface for parameters and
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/// Data access is only provided read only.
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class AbstractROData {
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virtual ~AbstractROData() {};
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/// Cast operator to get data (get copy)
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virtual operator T() const = 0;
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/// Also returns internal data (const reference)
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virtual const T& operator()() const = 0;
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/// Interface for data assignment and readout.
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/// This is the common interface for parameters and
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/// output slots. (Input slots are read only.)
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class AbstractData : public AbstractROData<T> {
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virtual ~AbstractData() {};
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/// data assignment operator
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/// @param B data to assign
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virtual T& operator=(const T& B) = 0;
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/// Non const version.
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virtual T& operator()() = 0;
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/// Common interface for read-only access to multiple data members
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class AbstractMultiROData {
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virtual ~AbstractMultiROData() {};
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/// Access to specific member (read-only).
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/// @param pos data position
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/// @throws std::string error message if pos out of range
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virtual const T& operator[](unsigned int pos) const = 0;
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/// Access to number of members
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/// (for iterations using operator[])
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virtual unsigned int size() const = 0;
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/// Common interface for read-write access to multiple data members
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class AbstractMultiData : public AbstractMultiROData<T> {
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virtual ~AbstractMultiData() {};
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/// Access to specific member (read-write).
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/// @param pos data position
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/// @throws std::string error message if pos out of range
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virtual T& operator[](unsigned int pos) = 0;
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#endif // _ABSTRACT_DATA_HXX_
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src/AbstractData.hxx
