org.integratedmodelling.engine.modelling.runtime.mediators.GridToShape Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (C) 2007, 2015:
*
* - Ferdinando Villa
* - integratedmodelling.org
* - any other authors listed in @author annotations
*
* All rights reserved. This file is part of the k.LAB software suite,
* meant to enable modular, collaborative, integrated
* development of interoperable data and model components. For
* details, see http://integratedmodelling.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the Affero General Public License
* Version 3 or any later version.
*
* This program is distributed in the hope that it will be useful,
* but without any warranty; without even the implied warranty of
* merchantability or fitness for a particular purpose. See the
* Affero General Public License for more details.
*
* You should have received a copy of the Affero General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* The license is also available at: https://www.gnu.org/licenses/agpl.html
*******************************************************************************/
package org.integratedmodelling.engine.modelling.runtime.mediators;
import java.util.ArrayList;
import java.util.List;
import org.integratedmodelling.api.knowledge.IConcept;
import org.integratedmodelling.api.modelling.IExtent;
import org.integratedmodelling.api.modelling.IObservableSemantics;
import org.integratedmodelling.api.modelling.IScale;
import org.integratedmodelling.api.modelling.IScale.Locator;
import org.integratedmodelling.api.modelling.IState;
import org.integratedmodelling.api.space.IGrid;
import org.integratedmodelling.api.space.IGrid.Cell;
import org.integratedmodelling.api.space.IShape;
import org.integratedmodelling.api.space.ISpatialExtent;
import org.integratedmodelling.collections.Pair;
import org.integratedmodelling.common.space.IGeometricShape;
import org.integratedmodelling.common.space.SpaceLocator;
import org.integratedmodelling.exceptions.KlabException;
import org.integratedmodelling.exceptions.KlabRuntimeException;
public class GridToShape extends AbstractMediator implements IState.Mediator {
private Iterable> cellCoverage;
Aggregation aggregation;
double total = 0.0;
public GridToShape(IObservableSemantics observable, IExtent from, IExtent to, IConcept trait) {
super(observable.getObserver(), trait);
aggregation = MediationOperations.getAggregator(observable);
IGrid g1 = ((ISpatialExtent) from).getGrid();
IShape sh = ((ISpatialExtent) to).getShape();
try {
this.cellCoverage = MediationOperations
.getCoveredCells(g1, (IGeometricShape) sh, aggregation != Aggregation.SUM);
} catch (KlabException e) {
throw new KlabRuntimeException(e);
}
if (aggregation == Aggregation.SUM) {
/*
* compute stats for faster propagation
*/
for (Pair tc : cellCoverage) {
total += tc.getSecond();
}
}
}
@Override
public Object mediateTo(Object value, int index) {
// TODO Auto-generated method stub
return null;
}
@Override
public Aggregation getAggregation() {
return aggregation;
}
/*
* in this one, the index is always 0
* (non-Javadoc)
* @see org.integratedmodelling.api.modelling.IState.Mediator#mediateFrom(int)
*/
@Override
public Object mediateFrom(IState originalState, IScale.Locator... otherLocators) {
List> ret = new ArrayList<>();
for (Pair zio : cellCoverage) {
/*
* TODO must use space locators and whatever else
*/
ret.add(new Pair(zio.getFirst().getOffsetInGrid(), zio.getSecond()));
}
return ret;
}
@Override
public List getLocators(int index) {
List ret = new ArrayList<>();
for (Pair zio : cellCoverage) {
SpaceLocator loc = SpaceLocator.get(zio.getFirst().getX(), zio.getFirst().getY());
loc.setWeight(zio.getSecond());
ret.add(loc);
}
return ret;
}
}