001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.language.simple.ast;
018
019import org.apache.camel.Expression;
020import org.apache.camel.language.simple.types.SimpleParserException;
021import org.apache.camel.language.simple.types.SimpleToken;
022
023/**
024 * Represents a node in the Simple AST
025 */
026public interface SimpleNode {
027
028    /**
029     * Gets the token by which this model was based upon
030     *
031     * @return the token
032     */
033    SimpleToken getToken();
034
035    /**
036     * Creates a Camel {@link Expression} based on this model.
037     *
038     * @param expression the input string
039     * @return the created {@link Expression}
040     * @throws org.apache.camel.language.simple.types.SimpleParserException
041     *          should be thrown if error parsing the model
042     */
043    Expression createExpression(String expression) throws SimpleParserException;
044
045}