PrivilegedAction (Java Platform SE 8 ) (original) (raw)

public interface PrivilegedAction
A computation to be performed with privileges enabled. The computation is performed by invoking AccessController.doPrivileged on thePrivilegedAction object. This interface is used only for computations that do not throw checked exceptions; computations that throw checked exceptions must use PrivilegedExceptionAction instead.
See Also:
AccessController, AccessController.doPrivileged(PrivilegedAction), PrivilegedExceptionAction

• • Method Summary

  All Methods Instance Methods Abstract Methods

  Modifier and Type	Method	Description
  T	run()	Performs the computation.

• • Method Detail

     * #### run  
     [T](../../java/security/PrivilegedAction.html "type parameter in PrivilegedAction") run()  
     Performs the computation. This method will be called by`AccessController.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)](../../java/security/AccessController.html#doPrivileged-java.security.PrivilegedAction-), [AccessController.doPrivileged(PrivilegedAction, AccessControlContext)](../../java/security/AccessController.html#doPrivileged-java.security.PrivilegedAction-java.security.AccessControlContext-)

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