PrivilegedAction (Java Platform SE 6) (original) (raw)
java.security
Interface PrivilegedAction
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 | |
|---|---|
| T | run() Performs the computation. |
| Method Detail |
|---|
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 implementsPrivilegedAction should document what (if anything) this value represents.
See Also:
AccessController.doPrivileged(PrivilegedAction), [AccessController.doPrivileged(PrivilegedAction, AccessControlContext)](../../java/security/AccessController.html#doPrivileged%28java.security.PrivilegedAction, java.security.AccessControlContext%29)
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