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 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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 */

package java.security;


/**
 * A computation to be performed with privileges enabled. The computation is
 * performed by invoking {@code AccessController.doPrivileged} on the
 * {@code PrivilegedAction} object. This interface is used only for
 * computations that do not throw checked exceptions; computations that
 * throw checked exceptions must use {@code PrivilegedExceptionAction}
 * instead.
 *
 * @since 1.2
 * @see AccessController
 * @see AccessController#doPrivileged(PrivilegedAction)
 * @see PrivilegedExceptionAction
 */

public interface PrivilegedAction<T> {
 /**
 * Performs the computation. This method will be called by
 * {@code AccessController.doPrivileged} after enabling privileges.
 *
 * @return a class-dependent value that may represent the results of the
 * computation. Each class that implements
 * {@code PrivilegedAction}
 * should document what (if anything) this value represents.
 * @see AccessController#doPrivileged(PrivilegedAction)
 * @see AccessController#doPrivileged(PrivilegedAction,
 * AccessControlContext)
 */
 T run();
}