1 /*
2 * Portions of this software was developed by employees of the National Institute
3 * of Standards and Technology (NIST), an agency of the Federal Government and is
4 * being made available as a public service. Pursuant to title 17 United States
5 * Code Section 105, works of NIST employees are not subject to copyright
6 * protection in the United States. This software may be subject to foreign
7 * copyright. Permission in the United States and in foreign countries, to the
8 * extent that NIST may hold copyright, to use, copy, modify, create derivative
9 * works, and distribute this software and its documentation without fee is hereby
10 * granted on a non-exclusive basis, provided that this notice and disclaimer
11 * of warranty appears in all copies.
12 *
13 * THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
14 * EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
15 * THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
17 * INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
18 * SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
19 * SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
20 * INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
21 * OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
22 * CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
23 * PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
24 * OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
25 */
26
27 package gov.nist.secauto.metaschema.core.metapath;
28
29 import gov.nist.secauto.metaschema.core.metapath.item.node.INodeItem;
30
31 import java.util.List;
32
33 import edu.umd.cs.findbugs.annotations.NonNull;
34
35 abstract class AbstractRootPathExpression
36 extends AbstractPathExpression<INodeItem> {
37 @NonNull
38 private final IExpression expression;
39 @NonNull
40 private final Class<? extends INodeItem> staticResultType;
41
42 /**
43 * Construct a new relative path expression of "/expression".
44 *
45 * @param expression
46 * the path expression to evaluate from the root
47 */
48 @SuppressWarnings("null")
49 public AbstractRootPathExpression(@NonNull IExpression expression) {
50 this.expression = expression;
51 this.staticResultType = ExpressionUtils.analyzeStaticResultType(INodeItem.class, List.of(expression));
52 }
53
54 /**
55 * Get the path expression.
56 *
57 * @return the expression
58 */
59 @NonNull
60 public IExpression getExpression() {
61 return expression;
62 }
63
64 @Override
65 public Class<INodeItem> getBaseResultType() {
66 return INodeItem.class;
67 }
68
69 @Override
70 public Class<? extends INodeItem> getStaticResultType() {
71 return staticResultType;
72 }
73
74 @SuppressWarnings("null")
75 @Override
76 public List<? extends IExpression> getChildren() {
77 return List.of(expression);
78 }
79 }