/*
 * Copyright Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags and
 * the COPYRIGHT.txt file distributed with this work.
 *
 * 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.
 */

package org.teiid.language;

/**
 * Represents an expression in the language.  Subinterfaces define specific 
 * types of expressions, such as literal values, element references, and 
 * functions.   
 */
public interface Expression extends LanguageObject {

    /**
     * Determine the type returned by this expression.
     * 
     * @return The type, as defined by a Java class
     */
    Class<?> getType();

}
