compact1, compact2, compact3
java.security
Interface PrivilegedExceptionAction<T>
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public interface PrivilegedExceptionAction<T>A computation to be performed with privileges enabled, that throws one or more checked exceptions. The computation is performed by invokingAccessController.doPrivilegedon thePrivilegedExceptionActionobject. This interface is used only for computations that throw checked exceptions; computations that do not throw checked exceptions should usePrivilegedActioninstead.
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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() throws Exception
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
PrivilegedExceptionActionshould document what (if anything) this value represents. - Throws:
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Exception- an exceptional condition has occurred. Each class that implementsPrivilegedExceptionActionshould document the exceptions that its run method can throw. - See Also:
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AccessController.doPrivileged(PrivilegedExceptionAction),AccessController.doPrivileged(PrivilegedExceptionAction,AccessControlContext)
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