1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.jxpath.ri.model; 19 20 /** 21 * Definition for an iterator for all kinds of Nodes. 22 */ 23 public interface NodeIterator { 24 25 /** 26 * Gets the NodePointer at the current position. 27 * 28 * @return NodePointer 29 */ 30 NodePointer getNodePointer(); 31 32 /** 33 * Gets the current iterator position. 34 * 35 * @return int position 36 */ 37 int getPosition(); 38 39 /** 40 * Sets the new current position. 41 * 42 * @param position the position to set 43 * @return {@code true} if there is a node at {@code position}. 44 */ 45 boolean setPosition(int position); 46 }