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 }