Class Overview
Utility class to be used by the method AccessControler.doPrivileged
to get a system property.
Summary
Public Methods |
String
|
run()
Performs the computation.
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[Expand]
Inherited Methods |
From class
java.lang.Object
Object
|
clone()
Creates and returns a copy of this object.
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boolean
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equals(Object obj)
Indicates whether some other object is "equal to" this one.
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void
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finalize()
Called by the garbage collector on an object when garbage collection
determines that there are no more references to the object.
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final
Class<?>
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getClass()
Returns the runtime class of this Object .
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int
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hashCode()
Returns a hash code value for the object.
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final
void
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notify()
Wakes up a single thread that is waiting on this object's
monitor.
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final
void
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notifyAll()
Wakes up all threads that are waiting on this object's monitor.
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String
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toString()
Returns a string representation of the object.
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final
void
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wait()
Causes the current thread to wait until another thread invokes the
notify() method or the
notifyAll() method for this object.
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final
void
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wait(long timeout, int nanos)
Causes the current thread to wait until another thread invokes the
notify() method or the
notifyAll() method for this object, or
some other thread interrupts the current thread, or a certain
amount of real time has elapsed.
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final
void
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wait(long timeout)
Causes the current thread to wait until either another thread invokes the
notify() method or the
notifyAll() method for this object, or a
specified amount of time has elapsed.
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From interface
java.security.PrivilegedAction
abstract
T
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run()
Performs the computation.
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Public Constructors
public
GetPropertyAction
(String key)
Public Methods
public
String
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.