java.security
Interface PrivilegedAction

public interface PrivilegedAction

A computation to be performed with privileges enabled. The computation is performed by invoking AccessController.doPrivileged on the PrivilegedAction object. 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
Object	run()     Performs the computation.

 

Method Detail

 

run

public Object 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), AccessController.doPrivileged(PrivilegedAction, AccessControlContext)