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16 package org.apache.commons.jxpath;
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18 import java.util.List;
19
20 /***
21 * NodeSet interface can be used as the type of an argument of an extension
22 * function. Alternatively, the function can declare the argument as
23 * a Collection (or List or Set), in which case it will be given a collection
24 * of <i>values</i> matching the path.
25 *
26 * @author <a href="mailto:dmitri@apache.org">Dmitri Plotnikov</a>
27 * @version $Id: NodeSet.java,v 1.3 2004/02/29 14:17:42 scolebourne Exp $
28 */
29 public interface NodeSet {
30
31 /***
32 * Returns a list of nodes.
33 */
34 List getNodes();
35
36 /***
37 * Returns a list of pointers for all nodes in the set.
38 */
39 List getPointers();
40
41 /***
42 * Returns a list of values of all contained pointers.
43 */
44 List getValues();
45
46 }