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Sanity4J was created to simplify running multiple static code analysis tools on the Java projects. It provides a single entry point to run all the selected tools and produce a consolidated report, which presents all findings in an easily accessible manner.

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UseNotifyAllInsteadOfNotify

UseNotifyAllInsteadOfNotify

Thread.notify() awakens a thread monitoring the object. If more than one thread is monitoring, then only one is chosen. The thread chosen is arbitrary; thus its usually safer to call notifyAll() instead.


    
//StatementExpression/PrimaryExpression
[PrimarySuffix/Arguments[@ArgumentCount = '0']]
[
PrimaryPrefix[./Name[@Image='notify' or ends-with(@Image,'.notify')]
or ../PrimarySuffix/@Image='notify'
or (./AllocationExpression and ../PrimarySuffix[@Image='notify'])
]
]
    

Example(s):



  void bar() {
    x.notify();
    // If many threads are monitoring x, only one (and you won't know which) will be notified.
    // use instead:
    x.notifyAll();
  }