org.apache.hadoop.lib.lang
Class XException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          org.apache.hadoop.lib.lang.XException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

DelegationTokenManagerException, FileSystemAccessException, ServerException

@InterfaceAudience.Private
public class XException
extends Exception

Generic exception that requires error codes and uses the a message template from the error code.

See Also:

Serialized Form

Nested Class Summary

static interface

XException.ERROR Interface to define error codes.

Constructor Summary

XException(XException.ERROR error, Object... params)
Creates an XException using the specified error code.

XException(XException cause)
Creates an XException using another XException as cause.

Method Summary

XException.ERROR

getError() Returns the error code of the exception.

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

XException

public XException(XException cause)

Creates an XException using another XException as cause.

The error code and error message are extracted from the cause.

Parameters:

cause - exception cause.

XException

public XException(XException.ERROR error,
                  Object... params)

Creates an XException using the specified error code. The exception message is resolved using the error code template and the passed parameters.

Parameters:

error - error code for the XException.

params - parameters to use when creating the error message with the error code template.

Method Detail

getError

public XException.ERROR getError()

Returns the error code of the exception.

Returns:

the error code of the exception.