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Joshua Bloch \[[Bloch 2008|AA. Bibliography#Bloch 08]\] suggests implementing a {{stop()}} method explicitly such that it leaves the class in an unusable state beyond its lifetime. A {{private}} field within the class can signal whether the class is unusable. All the class methods must check this field prior to operating on the class. This is akin to *[OBJ04-EX1*J. Do not allow access to partially initialized objects#OBJ04-EX1|the first exception] discussed in guideline [OBJ04-J. Do not allow access to partially initialized objects]. As always, a good place to call the termination logic is in the {{finally}} block. |
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