NobodyPrincipal (JBoss Server API) - JBoss 4.0.1 sp1 server API Documentation 英文版文档

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org.jboss.security
Class NobodyPrincipal

java.lang.Object
  org.jboss.security.NobodyPrincipal

All Implemented Interfaces:: Comparable, Principal

public class NobodyPrincipal
extends Object
implements Comparable, Principal

An implementation of Principal and Comparable that represents no role. Any Principal or name of a Principal when compared to an NobodyPrincipal using equals or compareTo will always be found not equal to the NobodyPrincipal. Note that this class is not likely to operate correctly in a collection since the hashCode() and equals() methods are not correlated.

Version:: $Revision: 1.5 $
Author:: Scott.Stark@jboss.org

Field Summary

static String NOBODY


static NobodyPrincipal NOBODY_PRINCIPAL


Constructor Summary

NobodyPrincipal()


Method Summary

int compareTo(Object o)
          This method always returns 1 to indicate inequality for any argument.

boolean equals(Object another)
          This method always returns 0 to indicate equality for any argument.

String getName()


int hashCode()


String toString()


Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

NOBODY

public static final String NOBODY

See Also:: Constant Field Values

NOBODY_PRINCIPAL

public static final NobodyPrincipal NOBODY_PRINCIPAL

Constructor Detail

NobodyPrincipal

public NobodyPrincipal()

Method Detail

hashCode

public int hashCode()

Specified by:: hashCode in interface Principal

getName

public String getName()

Specified by:: getName in interface Principal

Returns:: ""

toString

public String toString()

Specified by:: toString in interface Principal

equals

public boolean equals(Object another)

This method always returns 0 to indicate equality for any argument. This is only meaningful when comparing against other Principal objects or names of Principals.

Specified by:: equals in interface Principal

Returns:: false to indicate inequality for any argument.

compareTo

public int compareTo(Object o)

This method always returns 1 to indicate inequality for any argument. This is only meaningful when comparing against other Principal objects or names of Principals.

Specified by:: compareTo in interface Comparable

Returns:: 1 to indicate inequality for any argument.