/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with 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 the License.
 * You may obtain a copy of the License at
 *
 *     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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#if !defined(XERCESLIAISONXALANDOMSTRINGPOOL_HEADER_GUARD_1357924680)
#define XERCESLIAISONXALANDOMSTRINGPOOL_HEADER_GUARD_1357924680


// Base include file.  Must be first.
#include <xalanc/XercesParserLiaison/XercesParserLiaisonDefinitions.hpp>


#include <xalanc/PlatformSupport/XalanDOMStringPool.hpp>


#include <xercesc/util/Mutexes.hpp>


XALAN_CPP_NAMESPACE_BEGIN


// A version of XalanDOMStringPool which is synchronized using a Xerces Mutex.
class XALAN_XERCESPARSERLIAISON_EXPORT XercesLiaisonXalanDOMStringPool : public XalanDOMStringPool
{
public:

	typedef XalanDOMStringPool	ParentType;
	typedef XERCES_CPP_NAMESPACE_QUALIFIER XMLMutex			XMLMutexType;
	typedef XERCES_CPP_NAMESPACE_QUALIFIER XMLMutexLock		XMLMutexLockType;

	explicit
	XercesLiaisonXalanDOMStringPool(MemoryManagerType& theManager);

    static XercesLiaisonXalanDOMStringPool*
    create(MemoryManagerType& theManager);

	virtual
	~XercesLiaisonXalanDOMStringPool();

	// These are inherited from XalanDOMStringPool...

	virtual void
	clear();

	virtual size_t
	size() const;

	virtual const XalanDOMString&
	get(const XalanDOMString&	theString);

	virtual const XalanDOMString&
	get(
			const XalanDOMChar*			theString,
			XalanDOMString::size_type	theLength = XalanDOMString::npos);

private:

	// Not implemented, for now...
	XercesLiaisonXalanDOMStringPool(const XercesLiaisonXalanDOMStringPool&);

	XercesLiaisonXalanDOMStringPool&
	operator=(const XercesLiaisonXalanDOMStringPool&);

	bool
	operator==(const XercesLiaisonXalanDOMStringPool&) const;

	// Data members...
	mutable XMLMutexType	m_mutex;
};


XALAN_CPP_NAMESPACE_END


#endif	// !defined(XERCESLIAISONXALANDOMSTRINGPOOL_HEADER_GUARD_1357924680)