/* This file is part of the Joshua Machine Translation System.
*
* Joshua is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
package joshua.prefix_tree;
/**
* Indicates that a child cannot be added to a parent node, because
* it already exists.
*
* @author Lane Schwartz
*/
public class ChildNodeAlreadyExistsException extends RuntimeException {
/** Serialization identifier. */
private static final long serialVersionUID = 1L;
/**
* Constructs a new exception indicating that a child cannot
* be added to a parent node, because it already exists.
*
* @param parent A node in a prefix tree
* @param childID Integer identifier of a child node
*/
public ChildNodeAlreadyExistsException(Node parent, int childID) {
super("Child " + childID + " already exists in node " + parent);
}
}