SynchronizedStringPool.hpp
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* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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/*
* $Id$
*/
#if !defined(XERCESC_INCLUDE_GUARD_SYNCHRONIZEDSTRINGPOOL_HPP)
#define XERCESC_INCLUDE_GUARD_SYNCHRONIZEDSTRINGPOOL_HPP
#include <xercesc/framework/MemoryManager.hpp>
#include <xercesc/util/StringPool.hpp>
#include <xercesc/util/Mutexes.hpp>
XERCES_CPP_NAMESPACE_BEGIN
//
// This class provides a synchronized string pool implementation.
// This will necessarily be slower than the regular XMLStringPool, so it
// should only be used when updates need to be made in a thread-safe
// way. Updates will be made on datastructures local to this object;
// all queries that don't involve mutation will first be directed at
// the XMLStringPool implementation with which this object is
// constructed.
class XMLUTIL_EXPORT XMLSynchronizedStringPool : public XMLStringPool
{
public :
// -----------------------------------------------------------------------
// Constructors and Destructor
// -----------------------------------------------------------------------
XMLSynchronizedStringPool
(
const XMLStringPool * constPool
, const unsigned int modulus = 109
, MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager
);
virtual ~XMLSynchronizedStringPool();
// -----------------------------------------------------------------------
// Pool management methods
// -----------------------------------------------------------------------
virtual unsigned int addOrFind(const XMLCh* const newString);
virtual bool exists(const XMLCh* const newString) const;
virtual bool exists(const unsigned int id) const;
virtual void flushAll();
virtual unsigned int getId(const XMLCh* const toFind) const;
virtual const XMLCh* getValueForId(const unsigned int id) const;
virtual unsigned int getStringCount() const;
private :
// -----------------------------------------------------------------------
// Unimplemented constructors and operators
// -----------------------------------------------------------------------
XMLSynchronizedStringPool(const XMLSynchronizedStringPool&);
XMLSynchronizedStringPool& operator=(const XMLSynchronizedStringPool&);
// -----------------------------------------------------------------------
// private data members
// fConstPool
// the pool whose immutability we're protecting
// fMutex
// mutex to permit synchronous updates of our StringPool
const XMLStringPool* fConstPool;
XMLMutex fMutex;
};
XERCES_CPP_NAMESPACE_END
#endif
MemoryManager.hpp
XERCES_CPP_NAMESPACE_BEGIN
#define XERCES_CPP_NAMESPACE_BEGIN
Definition XercesDefs.hpp:112
XMLUTIL_EXPORT
#define XMLUTIL_EXPORT
Definition XercesDefs.hpp:162
XERCES_CPP_NAMESPACE_END
#define XERCES_CPP_NAMESPACE_END
Definition XercesDefs.hpp:113
XMLCh
char16_t XMLCh
Definition Xerces_autoconf_config.hpp:120
MemoryManager
Configurable memory manager.
Definition MemoryManager.hpp:40
XMLPlatformUtils::fgMemoryManager
static MemoryManager * fgMemoryManager
The configurable memory manager.
Definition PlatformUtils.hpp:121
XMLSynchronizedStringPool
Definition SynchronizedStringPool.hpp:40
XMLSynchronizedStringPool::flushAll
virtual void flushAll()
XMLSynchronizedStringPool::XMLSynchronizedStringPool
XMLSynchronizedStringPool(const XMLStringPool *constPool, const unsigned int modulus=109, MemoryManager *const manager=XMLPlatformUtils::fgMemoryManager)
XMLSynchronizedStringPool::getValueForId
virtual const XMLCh * getValueForId(const unsigned int id) const
XMLSynchronizedStringPool::getId
virtual unsigned int getId(const XMLCh *const toFind) const
XMLSynchronizedStringPool::exists
virtual bool exists(const XMLCh *const newString) const
XMLSynchronizedStringPool::~XMLSynchronizedStringPool
virtual ~XMLSynchronizedStringPool()
XMLSynchronizedStringPool::exists
virtual bool exists(const unsigned int id) const
XMLSynchronizedStringPool::getStringCount
virtual unsigned int getStringCount() const
XMLSynchronizedStringPool::addOrFind
virtual unsigned int addOrFind(const XMLCh *const newString)