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; 19 20 import java.util.List; 21 22 /** 23 * NodeSet interface can be used as the type of an argument of an extension function. Alternatively, the function can declare the argument as a Collection (or 24 * List or Set), in which case it will be given a collection of <em>values</em> matching the path. 25 */ 26 public interface NodeSet { 27 28 /** 29 * Returns a list of nodes. 30 * 31 * @return List 32 */ 33 List getNodes(); 34 35 /** 36 * Returns a list of pointers for all nodes in the set. 37 * 38 * @return List 39 */ 40 List<Pointer> getPointers(); 41 42 /** 43 * Returns a list of values of all contained pointers. 44 * 45 * @return List 46 */ 47 List getValues(); 48 }