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The Plasma SDO Module

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/**
 *         PlasmaSDO™ License
 * 
 * This is a community release of PlasmaSDO™, a dual-license 
 * Service Data Object (SDO) 2.1 implementation. 
 * This particular copy of the software is released under the 
 * version 2 of the GNU General Public License. PlasmaSDO™ was developed by 
 * TerraMeta Software, Inc.
 * 
 * Copyright (c) 2013, TerraMeta Software, Inc. All rights reserved.
 * 
 * General License information can be found below.
 * 
 * This distribution may include materials developed by third
 * parties. For license and attribution notices for these
 * materials, please refer to the documentation that accompanies
 * this distribution (see the "Licenses for Third-Party Components"
 * appendix) or view the online documentation at 
 * .
 *  
 */
package org.plasma.sdo.xpath;

import commonj.sdo.Property;
import commonj.sdo.Type;

/**
 * Wraps a result or "endpoint" of a Jaxen XPATH parse, supplying 
 * source traversal information, e.g. the Type and Property which served as the
 * source or "parent" of a particular traversal path.  
 */
public abstract class MetaDataNodeAdapter {
	protected Type source;
	protected Property sourceProperty;
    @SuppressWarnings("unused")
	private MetaDataNodeAdapter() {}
	public MetaDataNodeAdapter(Type source) {
		super();
		this.source = source; 
		if (this.source == null)
			throw new IllegalArgumentException("expected non-null argument 'source'");
	}
	public MetaDataNodeAdapter(Type source, Property sourceProperty) {
		super();
		this.source = source; 
		this.sourceProperty = sourceProperty; 
		if (this.source == null)
			throw new IllegalArgumentException("expected non-null argument 'source'");
		if (this.sourceProperty == null)
			throw new IllegalArgumentException("expected non-null argument 'sourceProperty'");
	}
	
	
	/**
	 * Returns the Type traversal source
	 * @return the source data object
	 */
	public Type getSource() {
		return this.source;
	}
	
	/**
	 * Returns the property traversal source
	 * @return the source property
	 */
	public Property getSourceProperty() {
		return this.sourceProperty;
	}
}