public void Refresh()
{
// If there are already waiting writes/refreshes, just bail out, as there's no point in queuing another.
if (_searcherLock.WaitingWriteCount > 0)
{
ADXTrace.Instance.TraceInfo(TraceCategory.Application, "There are existing waiting writes to the shared index searcher, exiting.");
return;
}
if (!_searcherLock.TryEnterWriteLock(_searcherLockTimeout))
{
throw new TimeoutException("A write lock couldn't be acquired on the shared index searcher instance.");
}
var staleSearcher = _searcher;
try
{
_searcher = _searcherFactory();
}
finally
{
_searcherLock.ExitWriteLock();
}
staleSearcher.Dispose();
}
public ExtendedAttributeIndexSearcher(ICrmEntityIndexSearcher searcher, string dataContextName)
{
if (searcher == null)
{
throw new ArgumentNullException("searcher");
}
_searcher = searcher;
_dataContextName = dataContextName;
}
public SharedIndexSearcher(Func <ICrmEntityIndexSearcher> searcherFactory)
{
if (searcherFactory == null)
{
throw new ArgumentNullException("searcherFactory");
}
_searcherFactory = searcherFactory;
_searcher = _searcherFactory();
double timeoutSecondsSetting;
_searcherLockTimeout = double.TryParse(ConfigurationManager.AppSettings[LockTimeoutAppSettingName], out timeoutSecondsSetting)
? TimeSpan.FromSeconds(timeoutSecondsSetting)
: DefaultSearcherLockTimeout;
}
