plugins/org.eclipse.papyrus.moka.fuml.standardlibrary/src/org/eclipse/papyrus/moka/fuml/standardlibrary/library/real/Inv.java

/*****************************************************************************
 * Copyright (c) 2014 CEA LIST.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *  CEA LIST - Initial API and implementation
 *****************************************************************************/
package org.eclipse.papyrus.moka.fuml.standardlibrary.library.real;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.papyrus.moka.fuml.commonbehavior.IParameterValue;
import org.eclipse.papyrus.moka.fuml.commonbehavior.OpaqueBehaviorExecution;
import org.eclipse.papyrus.moka.fuml.simpleclassifiers.IValue;
import org.eclipse.papyrus.moka.fuml.simpleclassifiers.RealValue;
import org.eclipse.papyrus.moka.fuml.standardlibrary.Activator;
import org.eclipse.uml2.uml.PrimitiveType;

public class Inv extends OpaqueBehaviorExecution {

	@Override
	public void doBody(List<IParameterValue> inputParameters, List<IParameterValue> outputParameters) {
		try {
			Double inv = 0.0;
			Double x = ((RealValue) inputParameters.get(0).getValues().get(0)).value;
			if (x == inv) {
				throw new ArithmeticException("(arg == 0)");
			} else {
				inv = 1 / x;
			}
			RealValue result = new RealValue();
			result.value = inv;
			result.type = (PrimitiveType) this.locus.getFactory().getBuiltInType("Real");
			List<IValue> outputs = new ArrayList<IValue>();
			outputs.add(result);
			outputParameters.get(0).setValues(outputs);
		} catch (ArithmeticException a) {
			Activator.getDefault().logger.error("An error occured during the execution of Inv " + a.getMessage(), a);
			RealValue result = new RealValue();
			result.value = 0.0;
			result.type = (PrimitiveType) this.locus.getFactory().getBuiltInType("Real");
			List<IValue> outputs = new ArrayList<IValue>();
			outputs.add(result);
			outputParameters.get(0).setValues(outputs);
		} catch (Exception e) {
			Activator.getDefault().logger.error("An error occured during the execution of Inv " + e.getMessage(), e);
		}
	}

	@Override
	public IValue new_() {
		// ADDED:
		return new Abs();
	}
}