de.esprit.common.util

Class SingleAccess

java.lang.Object

de.esprit.common.util.SingleAccess

All Implemented Interfaces:

Resettable

public class SingleAccess
extends java.lang.Object
implements Resettable

This class implements a access point that can only be accessed once. Any second call to access() will throw an IllegalStateException with the given error message.

Author:

Rainer Buesch

Constructor Summary

Constructors

Constructor and Description
SingleAccess()
SingleAccess(java.lang.String errMsg)

Method Summary

Methods

Modifier and Type	Method and Description
void	access() Can only be called once.
void	reset() Undoes the last access.
boolean	wasAccessed() Tells whether this access point has been accessed already.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SingleAccess

public SingleAccess()

SingleAccess

public SingleAccess(java.lang.String errMsg)

Method Detail

access

public void access()

Can only be called once. Any further access will throw an IllegalStateException.

wasAccessed

public boolean wasAccessed()

Tells whether this access point has been accessed already.

reset

public void reset()

Undoes the last access.

Specified by:

reset in interface Resettable