state, condition也行。我觉得既然有state machine structure，标志位就应该是state。
===以下来源于网络===
以 Recordset 为例
Recordset 具有 Status 和 State 属性，说明二者还是有区别的。
Recordset.Status 表示进行批处理后，当前记录的情况。结果有：操作被取消，结果未被保存；记录被锁无法保存……
Recordset.State 表示 Recordset 对象是打开的，还是关闭的，还是正在执行异步操作。
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State generally refers to the entire state of an entity - all its values and relationships at a particular point in time (usually, current)
Status is more of a time-point, say, where something is at in a process or workflow - is it dirty (therefore requiring saving), is it complete, is it pending input, etc
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Typically I will use State to mean the current condition of an object or the system as a whole. I use status to represent the outcome of some action. For example, the state of an object may be saved/unsaved, valid/invalid. The status (outcome) of a method is successful/unsuccessful/error.
