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     */
017    package org.apache.camel.language.simple.ast;
018    
019    /**
020     * A model which is a block, containing other nodes.
021     * <p/>
022     * This node will keep adding other nodes until no longer
023     * accepted, by returning <tt>false</tt> in the {@link #acceptAndAddNode(SimpleNode)} method.
024     */
025    public interface Block extends SimpleNode {
026    
027        /**
028         * Whether to accept and add the given node in this block.
029         *
030         * @param node the other node.
031         * @return <tt>true</tt> to accept and add to this block, <tt>false</tt> to end this block.
032         */
033        boolean acceptAndAddNode(SimpleNode node);
034    
035    }