1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 25 #ifndef _SALHELPER_CONDITION_HXX_ 26 #define _SALHELPER_CONDITION_HXX_ 27 28 29 #include <osl/conditn.h> 30 #include <osl/mutex.hxx> 31 32 33 namespace salhelper 34 { 35 class ConditionModifier; 36 class ConditionWaiter; 37 38 39 class Condition 40 { 41 friend class ConditionModifier; 42 friend class ConditionWaiter; 43 44 public: 45 46 Condition(osl::Mutex& aMutex); 47 48 virtual ~Condition(); 49 50 51 protected: 52 53 virtual bool applies() const = 0; 54 55 56 private: 57 Condition(Condition &); // not defined 58 void operator =(Condition &); // not defined 59 60 osl::Mutex& m_aMutex; 61 oslCondition m_aCondition; 62 }; 63 64 65 66 class ConditionModifier 67 { 68 public: 69 70 ConditionModifier(Condition& aCond); 71 72 ~ConditionModifier(); 73 74 75 private: 76 ConditionModifier(ConditionModifier &); // not defined 77 void operator =(ConditionModifier &); // not defined 78 79 Condition& m_aCond; 80 }; 81 82 83 84 class ConditionWaiter 85 { 86 public: 87 88 ConditionWaiter(Condition& aCond); 89 90 struct timedout { 91 timedout(); 92 93 timedout(timedout const &); 94 95 virtual ~timedout(); 96 97 timedout & operator =(timedout const &); 98 }; 99 100 ConditionWaiter(Condition& aCond,sal_uInt32 milliSec) 101 throw( 102 timedout 103 ); 104 105 106 ~ConditionWaiter(); 107 108 109 private: 110 ConditionWaiter(ConditionWaiter &); // not defined 111 void operator =(ConditionWaiter &); // not defined 112 113 Condition& m_aCond; 114 }; 115 116 117 } // namespace salhelper 118 119 120 #endif 121