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This open source software is a reference implementation, consisting of software and related files, for the OMG specification called the Semantics of a Foundational Subset for Executable UML Models (fUML). The reference implementation is intended to implement the execution semantics of UML activity models, accepting an XMI file from a conformant UML model as its input and providing an execution trace of the selected activity model(s) as its output. The core execution engine, which is directly generated from the normative syntactic and semantic models for fUML, may also be used as a library implementation of fUML in other software.

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/*
 * Copyright 2008 Lockheed Martin Corporation, except as stated in the file 
 * entitled Licensing-Information. 
 * 
 * All modifications copyright 2009-2012 Data Access Technologies, Inc.
 * 
 * Licensed under the Academic Free License version 3.0 
 * (http://www.opensource.org/licenses/afl-3.0.php), except as stated 
 * in the file entitled Licensing-Information. 
 *
 * Contributors:
 *   MDS - initial API and implementation
 *
 */

package org.modeldriven.fuml.library.realfunctions;

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

import org.modeldriven.fuml.library.LibraryFunctions;

import fUML.Debug;
import fUML.Semantics.Classes.Kernel.BooleanValue;
import fUML.Semantics.Classes.Kernel.RealValue;

public abstract class RealRelationalFunctionBehaviorExecution extends
        fUML.Semantics.CommonBehaviors.BasicBehaviors.OpaqueBehaviorExecution {

    public void doBody(
            fUML.Semantics.CommonBehaviors.BasicBehaviors.ParameterValueList inputParameters,
            fUML.Semantics.CommonBehaviors.BasicBehaviors.ParameterValueList outputParameters) {
        // Extract real arguments and perform an integer function on them.

        List integerArguments = new ArrayList();

        for (int i = 0; i < inputParameters.size(); i++) {
            float value = ((RealValue) (inputParameters.getValue(i)).values.getValue(0)).value;
            Debug.println("[doBody] argument = " + value);
            integerArguments.add(value);
        }

        BooleanValue result = new BooleanValue();
        result.value = this.doRealFunction(integerArguments);
        result.type = this.locus.factory.getBuiltInType("Boolean");

        Debug.println("[doBody] result = " + result.value);

		// Add output to the outputParameters list
		LibraryFunctions.addValueToOutputList(result, outputParameters);
    }

    public abstract boolean doRealFunction(List arguments);
}