/// <summary>
/// Pops the top most stack frame from the scope calling stack and drops
/// its content because it's no longer needed.
/// </summary>
/// <remarks>
/// This won't necessarily exchange the <c>LightweightedTransactionScope.Current</c>.
/// </remarks>
private void PopAndDropScope()
{
s_currentScope = m_savedScope;
}
/// <summary>
/// Add <c>scope</c> on top of the scope calling stack. Will be removed during
/// <c>Dispose()</c>.
/// </summary>
/// <param name="scope">
/// Scope to be pushed on the calling stack.
/// </param>
/// <remarks>
/// Stack structure may contain redundant frames, but this keeps a consistent
/// stack access in the code.
/// Call stack: | scopeA | scopeB | scopeB1 | scopeC | scodeD | scopeE
/// Saved value: | null | scopeA | scopeB | scopeB | null | scopeD
/// Current val: | scopeA | scopeB | scopeB | null | scopeD | scopeE
/// </remarks>
private void PushScope(NhTransactionScope scope)
{
m_savedScope = s_currentScope;
s_currentScope = scope;
}