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Grid BPEL Engine Client developed by Extreme Computing Lab, Indiana University
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/* -*- mode: Java; c-basic-offset: 4; indent-tabs-mode: nil; -*-  //------100-columns-wide------>|*/
/*
 * Copyright (c) 2004-2005 Extreme! Lab, Indiana University. All rights reserved.
 *
 * This software is open source. See the bottom of this file for the license.
 *
 * $Id: GpelVariablesContainer.java,v 1.4 2008/02/26 01:39:24 cherath Exp $
 */
package org.gpel.model;

import org.gpel.GpelConstants;
import org.xmlpull.infoset.XmlAttribute;
import org.xmlpull.infoset.XmlElement;
import org.xmlpull.infoset.XmlNamespace;
import java.util.Iterator;

/*
 * <gpel:variables> ... </gpel:variables>
 */
public class GpelVariablesContainer extends GpelModelBase {
    public static final String TYPE_NAME = "variables";
    
    public GpelVariablesContainer(XmlElement target) {
        super(TYPE_NAME, target);
    }
    
    public GpelVariablesContainer(XmlNamespace NS) {
        super(NS, TYPE_NAME);
    }
    
    public void addVariable(GpelVariable variable) throws GpelModelValidationException {
        xml().addElement(variable.xml());
    }
    
    public Iterable variables() {
        //return xml().elements(xml().getNamespace(), GpelVariable.TYPE_NAME);
        final Iterator elContent = xml().requiredElementContent().iterator();
        Iterable giterable = new Iterable() {
            public Iterator iterator() {
                return new Iterator() {
                    public boolean hasNext() {
                        return elContent.hasNext();
                    }
                    
                    public GpelVariable next() {
                        XmlElement el = elContent.next();
                        GpelVariable variable = el.viewAs(GpelVariable.class);
                        return variable;
                    }
                    
                    public void remove() {
                        elContent.remove();
                    }
                    
                };
            }
        };
        return giterable;
    }
    
    
    public void validateModel() throws GpelModelValidationException
    {
        String name = xml().getName(); //getXmlName()
        if(!name.equals(TYPE_NAME)) {
            throw new GpelModelValidationException("expected "+TYPE_NAME+" but got "+name);
        }
        XmlNamespace ns = xml().getNamespace(); ////getXmlNamespace()
        if(!GpelConstants.BPEL_NS.equals(ns) || !GpelConstants.GPEL_NS.equals(ns)) {
            throw new GpelModelValidationException(
                "process must be in "+GpelConstants.BPEL_NS+" or "+GpelConstants.GPEL_NS+
                    " and not "+ns.getName());
            
        }
    }
    
}

/*
 * Indiana University Extreme! Lab Software License, Version 1.2
 *
 * Copyright (c) 2004-2005 The Trustees of Indiana University.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1) All redistributions of source code must retain the above
 *    copyright notice, the list of authors in the original source
 *    code, this list of conditions and the disclaimer listed in this
 *    license;
 *
 * 2) All redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the disclaimer
 *    listed in this license in the documentation and/or other
 *    materials provided with the distribution;
 *
 * 3) Any documentation included with all redistributions must include
 *    the following acknowledgement:
 *
 *      "This product includes software developed by the Indiana
 *      University Extreme! Lab.  For further information please visit
 *      http://www.extreme.indiana.edu/"
 *
 *    Alternatively, this acknowledgment may appear in the software
 *    itself, and wherever such third-party acknowledgments normally
 *    appear.
 *
 * 4) The name "Indiana University" or "Indiana University
 *    Extreme! Lab" shall not be used to endorse or promote
 *    products derived from this software without prior written
 *    permission from Indiana University.  For written permission,
 *    please contact http://www.extreme.indiana.edu/.
 *
 * 5) Products derived from this software may not use "Indiana
 *    University" name nor may "Indiana University" appear in their name,
 *    without prior written permission of the Indiana University.
 *
 * Indiana University provides no reassurances that the source code
 * provided does not infringe the patent or any other intellectual
 * property rights of any other entity.  Indiana University disclaims any
 * liability to any recipient for claims brought by any other entity
 * based on infringement of intellectual property rights or otherwise.
 *
 * LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH
 * NO WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA
 * UNIVERSITY GIVES NO WARRANTIES AND MAKES NO REPRESENTATION THAT
 * SOFTWARE IS FREE OF INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR
 * OTHER PROPRIETARY RIGHTS.  INDIANA UNIVERSITY MAKES NO WARRANTIES THAT
 * SOFTWARE IS FREE FROM "BUGS", "VIRUSES", "TROJAN HORSES", "TRAP
 * DOORS", "WORMS", OR OTHER HARMFUL CODE.  LICENSEE ASSUMES THE ENTIRE
 * RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR ASSOCIATED MATERIALS,
 * AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION GENERATED USING
 * SOFTWARE.
 */