/**
 * Copyright 2008-2009 DRIVER PROJECT (ICM UW)
 * Original author: Marek Horst
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// $Id: UnknownPositionException.java 5865 2008-05-20 13:34:23Z icmdriver $

package org.z3950.zing.cql;


/**
 * Exception indicating that a position was not recognised.
 * When rendering a tree out as PQF, each term is classified either as
 * <TT>any</TT>, <TT>first</TT>, <TT>last</TT> or
 * <TT>firstAndLast</TT>, depending on whether it begins and/or ends
 * with the word-anchoring meta-character <TT>^</TT>.  Its
 * classification is looked up as a <TT>position</TT> in the PQF
 * configuration.  If the position is not configured, we throw one of
 * these babies.
 *
 * @version $Id: UnknownPositionException.java 5865 2008-05-20 13:34:23Z icmdriver $
 */
@SuppressWarnings("serial")
public class UnknownPositionException extends PQFTranslationException {
    /**
     * Creates a new <TT>UnknownPositionException</TT>.
     * @param s
     *	The position for which there was no PQF configuration.
     */
    public UnknownPositionException(String s) {
	super(s);
    }
}