Package 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:

java.io.Serializable

Direct Known Subclasses:

FileSystemAccessException, ServerException

@Private
public class XException
extends java.lang.Exception

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

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	XException.ERROR	Interface to define error codes.

Constructor Summary

Constructors

Constructor	Description
XException(XException cause)	Creates an XException using another XException as cause.
XException(XException.ERROR error, java.lang.Object... params)	Creates an XException using the specified error code.

Method Summary

Modifier and Type	Method	Description
XException.ERROR	getError()	Returns the error code of the exception.

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, 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,
                  java.lang.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.