org.eclipse.ocl.internal.evaluation.IterationTemplateAny Maven / Gradle / Ivy
/**
*
*
* Copyright (c) 2005, 2009 IBM Corporation, Borland Software Corp., and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM - Initial API and implementation
* Borland - Bug 265066
*
*
*
* $Id: IterationTemplateAny.java,v 1.5 2009/09/01 20:11:22 ewillink Exp $
*/
package org.eclipse.ocl.internal.evaluation;
import java.util.List;
import org.eclipse.ocl.EvaluationEnvironment;
import org.eclipse.ocl.EvaluationVisitor;
import org.eclipse.ocl.expressions.Variable;
/**
*
*/
public class IterationTemplateAny
extends IterationTemplate {
protected IterationTemplateAny(
EvaluationVisitor v) {
super(v);
}
public static
IterationTemplate getInstance(
EvaluationVisitor v) {
return new IterationTemplateAny(v);
}
@Override
protected Object evaluateResult(
List> iterators, String resultName, Object bodyVal) {
EvaluationEnvironment env = getEvalEnvironment();
// should be exactly one iterator
String iterName = iterators.get(0).getName();
Object currObj = env.getValueOf(iterName);
Object resultVal = null;
// If the body result is undefined then the entire expression's value
// is invalid
if ((bodyVal == null) || (bodyVal == getInvalid())) {
setDone(true);
return getInvalid();
}
boolean bodyCond = ((Boolean)bodyVal).booleanValue();
if (bodyCond) {
resultVal = currObj;
setDone(true);
}
return resultVal;
}
}