/// <summary>
/// 状態設定
/// </summary>
protected void SetState(EngineStatus next)
{
var prev = m_state.State;
if (prev == next)
{
return;
}
// end
m_state.End(m_current, this);
// next
m_state = m_jobStateTable[next];
m_state.Begin(m_current, this);
}