Index: source/i18n/sharedbreakiterator.h |
diff --git a/source/i18n/sharedbreakiterator.h b/source/i18n/sharedbreakiterator.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..09ba4312a3995ada41e7e428a4e2d90f56c1b032 |
--- /dev/null |
+++ b/source/i18n/sharedbreakiterator.h |
@@ -0,0 +1,47 @@ |
+/* |
+****************************************************************************** |
+* 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 |