public IConnectionHandle Acquire()
{
IProtoBufConnection connection = null;
do
{
AvailableLock.EnterUpgradeableReadLock();
if (AvailableConnections.Count > 0)
{
AvailableLock.EnterWriteLock();
connection = AvailableConnections.Dequeue();
AvailableLock.ExitWriteLock();
}
AvailableLock.ExitUpgradeableReadLock();
if (connection == null)
{
continue;
}
ReservedLock.EnterWriteLock();
ReservedConnections.Add(connection);
ReservedLock.ExitWriteLock();
} while (connection == null);
return(new PooledConnectionHandle(this, connection));
}