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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
* Copyright (C) 2014, International Business Machines
* Corporation and others. All Rights Reserved.
******************************************************************************
* sharedbreakiterator.h
*/
#ifndef __SHARED_BREAKITERATOR_H__
#define __SHARED_BREAKITERATOR_H__
#include "unicode/utypes.h"
#include "sharedobject.h"
#if !UCONFIG_NO_BREAK_ITERATION
U_NAMESPACE_BEGIN
class BreakIterator;
// SharedBreakIterator encapsulates a shared BreakIterator. Because
// BreakIterator has mutable semantics, clients must ensure that all uses
// of a particular shared BreakIterator is protected by the same mutex
// ensuring that only one thread at a time gets access to that shared
// BreakIterator. Clients can accomplish this by creating a mutex for all
// uses of break iterator within a particular class. Then objects of that
// class may then freely share break iterators among themselves. However,
// these shared break iterators must never be exposed outside of that class.
class U_I18N_API SharedBreakIterator : public SharedObject {
public:
SharedBreakIterator(BreakIterator *biToAdopt);
virtual ~SharedBreakIterator();
BreakIterator *get() const { return ptr; }
BreakIterator *operator->() const { return ptr; }
BreakIterator &operator*() const { return *ptr; }
private:
BreakIterator *ptr;
SharedBreakIterator(const SharedBreakIterator &);
SharedBreakIterator &operator=(const SharedBreakIterator &);
};
U_NAMESPACE_END
#endif
#endif
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