Type: info
Title: comphelper/weakbag.hxx
Posted by: [EMAIL PROTECTED]
Affected: -
Effective from: SRC680 CWS sb71
*Summary*
--------
+ comphelper/weakbag.hxx
*Description*
-------------
namespace comphelper {
/**
A bag of UNO weak references.
*/
template< typename T > class WeakBag {
public:
/**
Add a new weak reference.
The implementation keeps the amount of memory consumed linear
in the
number of living references added, not linear in the number of
total
references added.
@param e
a non-null reference.
*/
void add(com::sun::star::uno::Reference< T > const & e) {
OSL_ASSERT(e.is());
for (typename List::iterator i(m_list.begin()); i !=
m_list.end();) {
if (com::sun::star::uno::Reference< T >(*i).is()) {
++i;
} else {
i = m_list.erase(i);
}
}
m_list.push_back(com::sun::star::uno::WeakReference< T >(e));
}
/**
Remove a living reference.
@return
a living reference, or null if there are none.
*/
com::sun::star::uno::Reference< T > remove() {
while (!m_list.empty()) {
com::sun::star::uno::Reference< T > r(m_list.front());
m_list.pop_front();
if (r.is()) {
return r;
}
}
return com::sun::star::uno::Reference< T >();
}
private:
typedef std::list< com::sun::star::uno::WeakReference< T > > List;
List m_list;
};
}
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