00001 /*========================================================================== 00002 * Copyright (c) 2005 University of Massachusetts. All Rights Reserved. 00003 * 00004 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval 00005 * is subject to the terms of the software license set forth in the LICENSE 00006 * file included with this software, and also available at 00007 * http://www.lemurproject.org/license.html 00008 * 00009 *========================================================================== 00010 */ 00011 00012 // 00013 // WriterLockable 00014 // 00015 // 31 January 2005 -- tds 00016 // 00017 // Lockable adaptor for ReadersWritersLocks 00018 // 00019 00020 #ifndef INDRI_WRITERLOCKABLE_HPP 00021 #define INDRI_WRITERLOCKABLE_HPP 00022 00023 #include "indri/ReadersWritersLock.hpp" 00024 namespace indri 00025 { 00026 namespace thread 00027 { 00028 00029 class WriterLockable : public Lockable { 00030 private: 00031 ReadersWritersLock& _lock; 00032 00033 public: 00034 WriterLockable( ReadersWritersLock& lock ) : 00035 _lock( lock ) 00036 { 00037 } 00038 00039 void lock() { 00040 _lock.lockWrite(); 00041 } 00042 00043 void unlock() { 00044 _lock.unlockWrite(); 00045 } 00046 }; 00047 } 00048 } 00049 00050 #endif // INDRI_WRITERLOCKABLE_HPP 00051 00052 00053