compact1, compact2, compact3
java.security
Interface PrivilegedAction<T>
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public interface PrivilegedAction<T>A computation to be performed with privileges enabled. The computation is performed by invokingAccessController.doPrivilegedon thePrivilegedActionobject. This interface is used only for computations that do not throw checked exceptions; computations that throw checked exceptions must usePrivilegedExceptionActioninstead.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method and Description Trun()Performs the computation.
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Method Detail
run
T run()
Performs the computation. This method will be called byAccessController.doPrivilegedafter enabling privileges.- Returns:
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a class-dependent value that may represent the results of the computation. Each class that implements
PrivilegedActionshould document what (if anything) this value represents. - See Also:
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AccessController.doPrivileged(PrivilegedAction),AccessController.doPrivileged(PrivilegedAction, AccessControlContext)
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