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80 lines
3.2 KiB
80 lines
3.2 KiB
//==============================================================================
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//
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// Copyright (c) 2015-
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// Authors:
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// * Joachim Klein <klein@tcs.inf.tu-dresden.de> (TU Dresden)
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// * Steffen Märcker <maercker@tcs.inf.tu-dresden.de> (TU Dresden)
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//
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//------------------------------------------------------------------------------
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//
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// This file is part of PRISM.
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//
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// PRISM is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// PRISM 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with PRISM; if not, write to the Free Software Foundation,
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// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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//==============================================================================
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package explicit;
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import prism.PrismException;
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/**
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* Combines two (compatible) ModelTransformation.
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* <br>
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* The inner transformation is applied first, with the result
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* serving as the input for the second, outer transformation.
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*
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* @param <OriginalModel> The input type for the inner transformation
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* @param <IntermediateModel> The output type for the inner and the input type for the outer transformation
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* @param <TransformedModel> The output type for the outer transformation
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*/
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public class ModelTransformationNested<OriginalModel extends Model,
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IntermediateModel extends Model,
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TransformedModel extends Model>
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implements ModelTransformation<OriginalModel, TransformedModel>
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{
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protected final ModelTransformation<? extends OriginalModel, ? extends IntermediateModel> innerTransformation;
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protected final ModelTransformation<? extends IntermediateModel, ? extends TransformedModel> outerTransformation;
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public ModelTransformationNested(final ModelTransformation<? extends OriginalModel, ? extends IntermediateModel> inner,
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final ModelTransformation<? extends IntermediateModel, ? extends TransformedModel> outer)
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{
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if (inner.getTransformedModel() != outer.getOriginalModel()) {
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throw new IllegalArgumentException("Trying to nest unrelated ModelTransformations.");
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}
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this.innerTransformation = inner;
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this.outerTransformation = outer;
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}
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@Override
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public OriginalModel getOriginalModel()
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{
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return innerTransformation.getOriginalModel();
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}
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@Override
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public TransformedModel getTransformedModel()
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{
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return outerTransformation.getTransformedModel();
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}
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@Override
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public StateValues projectToOriginalModel(final StateValues svTransformedModel) throws PrismException
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{
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// First, project the StateValues to the intermediate model.
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StateValues svIntermediate = outerTransformation.projectToOriginalModel(svTransformedModel);
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// Second, project them to the original model
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return innerTransformation.projectToOriginalModel(svIntermediate);
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}
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}
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