org.apache.shiro.authc
Class ConcurrentAccessException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.RuntimeException
              org.apache.shiro.ShiroException
                  org.apache.shiro.authc.AuthenticationException
                      org.apache.shiro.authc.AccountException
                          org.apache.shiro.authc.ConcurrentAccessException

All Implemented Interfaces:

Serializable

public class ConcurrentAccessException
extends AccountException

Thrown when an authentication attempt has been received for an account that has already been authenticated (i.e. logged-in), and the system is configured to prevent such concurrent access.

This is useful when an application must ensure that only one person is logged-in to a single account at any given time.

Sometimes account names and passwords are lazily given away to many people for easy access to a system. Such behavior is undesirable in systems where users are accountable for their actions, such as in government applications, or when licensing agreements must be maintained, such as those which only allow 1 user per paid license.

By disallowing concurrent access, such systems can ensure that each authenticated session corresponds to one and only one user at any given time.

Since:

0.1

See Also:

Serialized Form

Constructor Summary

ConcurrentAccessException()
Creates a new ConcurrentAccessException.

ConcurrentAccessException(String message)
Constructs a new ConcurrentAccessException.

ConcurrentAccessException(String message, Throwable cause)
Constructs a new ConcurrentAccessException.

ConcurrentAccessException(Throwable cause)
Constructs a new ConcurrentAccessException.

Method Summary

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ConcurrentAccessException

public ConcurrentAccessException()

Creates a new ConcurrentAccessException.

ConcurrentAccessException

public ConcurrentAccessException(String message)

Constructs a new ConcurrentAccessException.

Parameters:

message - the reason for the exception

ConcurrentAccessException

public ConcurrentAccessException(Throwable cause)

Constructs a new ConcurrentAccessException.

Parameters:

cause - the underlying Throwable that caused this exception to be thrown.

ConcurrentAccessException

public ConcurrentAccessException(String message,
                                 Throwable cause)

Constructs a new ConcurrentAccessException.

Parameters:

message - the reason for the exception

cause - the underlying Throwable that caused this exception to be thrown.