1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.view.facelets;
20
21 public enum ELExpressionCacheMode
22 {
23 /**
24 * Does not cache expressions.
25 */
26 noCache,
27
28 /**
29 * Does not cache expressions on these cases:
30 * - A c:set tag with only var and value properties was used on the current page.
31 * - ui:param was used on the current template context
32 * - Inside user tags
33 * - An expression uses a variable resolved through VariableMapper
34 */
35 strict,
36
37 /**
38 * Does not cache expressions on these cases:
39 * - ui:param was used on the current template context
40 * - Inside user tags
41 * - An expression uses a variable resolved through VariableMapper
42 *
43 * In this case, c:set is assumed to be always on the parent node.
44 */
45 allowCset,
46
47 /**
48 * Does not cache expressions on these cases:
49 * - Inside user tags
50 * - An expression uses a variable resolved through VariableMapper
51 *
52 * Note if ui:param is used, each template call should define the same
53 * param count, even if only just a few are used.
54 */
55 always,
56
57 /**
58 * Does not cache expressions on these cases:
59 * - An expression uses a variable resolved through VariableMapper
60 *
61 * It uses an alternate FaceletCache that implements AbstractFaceletCache
62 * contract and force recompile the facelet in case additional ui:param
63 * instances are detected.
64 *
65 */
66 alwaysRecompile,
67 }