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The Plasma SDO Module

There is a newer version: 1.3.3

/**
 *         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;

import org.plasma.sdo.core.CoreEdge;
import org.plasma.sdo.core.TraversalDirection;

public class PlasmaDataLink extends CoreEdge 
    implements PlasmaEdge 
{        
    protected PlasmaNode left;
    protected PlasmaNode right;

    @SuppressWarnings("unused")
    private PlasmaDataLink() {}
    
    public PlasmaDataLink(PlasmaNode left, PlasmaNode right) {
        this.left = left;
        this.right = right;
    }
    
    public boolean canTraverse(PlasmaNode fromNode) {
        return this.getDirection() == TraversalDirection.RIGHT && left.equals(fromNode);
    }
    
    public PlasmaNode getOpposite(PlasmaNode fromNode) {
        if (this.left.equals(fromNode))
            return right;
        else if (this.right.equals(fromNode))
            return left;
        else
            throw new IllegalArgumentException("given node '" 
                    + fromNode.getUUIDAsString() + "' not found");
    }
    
    public PlasmaNode getLeft() {
        return left;
    }
    public void setLeft(PlasmaNode left) {
        this.left = left;
    }
    public PlasmaNode getRight() {
        return right;
    }
    public void setRight(PlasmaNode right) {
        this.right = right;
    }
}