xmlquery.java

一个工作流设计及定义的系统,可以直接与数据库结合进行系统工作流程的定义及应用.

/*
 * Copyright (c) 2005, John Mettraux, OpenWFE.org
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 * . Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.  
 * 
 * . Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution.
 * 
 * . Neither the name of the "OpenWFE" nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: XmlQuery.java,v 1.6 2005/05/17 16:40:58 jmettraux Exp $
 */

//
// XmlQuery.java
//
// [e-mail]
//
// generated with 
// jtmpl 1.1.01 2004/05/19 ([e-mail])
//

package openwfe.org.query.impl.item;

import openwfe.org.query.QueryException;
import openwfe.org.query.QueryConfiguration;
import openwfe.org.query.item.Query;


/**
 * A basic implementation of a QueryScope
 *
 * <p><font size=2>CVS Info :
 * <br>$Author: jmettraux $
 * <br>$Id: XmlQuery.java,v 1.6 2005/05/17 16:40:58 jmettraux Exp $ </font>
 *
 * @author [e-mail]
 */
public class XmlQuery

    extends Query

{

    private final static org.apache.log4j.Logger log = org.apache.log4j.Logger
        .getLogger(XmlQuery.class.getName());

    //
    // CONSTANTS & co

    //
    // FIELDS

    //
    // CONSTRUCTORS

    /**
     * The parameter object awaited here is an instance of org.jdom.Element,
     * its 'name' attribute is then used as the name of the inited scope.
     */
    public void init 
        (final QueryConfiguration conf, final Query parentQuery, final Object o)
    throws
        QueryException
    {
        final org.jdom.Element elt = (org.jdom.Element)o;

        this.setParentQuery(parentQuery);

        final String name = elt.getAttributeValue("name");
        final String ref = elt.getAttributeValue("ref");

        //this.setName(elt.getName());
        this.setName(name);

        //if (ref != null) 
        //    setReference(lookup(ref));
        if (ref != null)
        {
            setSreference(ref);

            if (name == null) this.setName("ref::"+ref);
        }

        //
        // taking care of the children

        XmlQueryUtils.initChildren(conf, this, getItems(), elt);

        log.debug("init() n>"+name+"< r>"+ref+"<");
        log.debug("init() '' children count : "+getItems().size());
    }

    //
    // METHODS

    //
    // STATIC METHODS

}