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public interface PrivilegedAction<T>
A computation to be performed with privileges enabled. The computation is performed by invokingAccessController.doPrivileged
on thePrivilegedAction
object. This interface is used only for computations that do not throw checked exceptions; computations that throw checked exceptions must usePrivilegedExceptionAction
instead.
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Method Detail
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run
T run()
Performs the computation. This method will be called byAccessController.doPrivileged
after enabling privileges.- Returns:
- a class-dependent value that may represent the results of the
computation. Each class that implements
PrivilegedAction
should document what (if anything) this value represents. - See Also:
AccessController.doPrivileged(PrivilegedAction)
,AccessController.doPrivileged(PrivilegedAction, AccessControlContext)
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Steph