/// <summary>
/// Check the state of this instance.
///
/// Exception will be raised if state is not as expected.
/// </summary>
/// <param name="state">Expected state</param>
protected void CheckState(EEnvState state)
{
this.state.CheckState(state);
}
/// <summary>
/// Update the state of this instance.
/// </summary>
/// <param name="state">Updated State</param>
protected void UpdateState(EEnvState state)
{
this.state.State = state;
}