0.8.1-rc1/xmlps/src/main/java/org/apache/oodt/xmlps/queryparser/Literal.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

package org.apache.oodt.xmlps.queryparser;

/**
 *
 * A value literal.
 */
public class Literal implements Expression{
    
    protected String val;
    
    public Literal(String val){
        this.val = val;
    }

    /* (non-Javadoc)
     * @see org.apache.oodt.xmlps.queryparser.Expression#evaluate()
     */
    public String evaluate() {
        return val;
    }

}