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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* 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. |
Exceptions
OBJ02MET18-EX1: Sometimes it is necessary to use finalizers especially when working with native code. This is because the garbage collector cannot re-claim memory used by code written in another language. Also, the lifetime of the object is often unknown. Again, the native process must not perform any critical jobs that require immediate resource deallocation.
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Guideline | Severity | Likelihood | Remediation Cost | Priority | Level |
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OBJ08 MET18-J | medium | probable | medium | P8 | L2 |
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