net.eduvax.util

Class ChainedErrHandler

java.lang.Object

net.eduvax.util.ChainedErrHandler

All Implemented Interfaces:

ErrorHandler, Handler<Error>

public class ChainedErrHandler
extends java.lang.Object
implements ErrorHandler

Handle error with two chained error handler. One is "main", the other is the next to be chained. handle() methods of both handlers are invoke in sequence from the same thread : the one call ChainedErrHandler.handle(). First , main.handle(), then chained.handle(). So beware when handle() is to long from main or chained.

Field Summary

Fields

Modifier and Type	Field and Description
private ErrorHandler	_chained chained error handler.
private ErrorHandler	_main main error handler.

Constructor Summary

Constructors

Constructor and Description
ChainedErrHandler(ErrorHandler main, ErrorHandler chained) Create new chained error handler.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	checkAndReset() Checks for error and reset handler.
boolean	checkOnly() Checks for error.
void	handle(Error e) handling one object

Methods inherited from class java.lang.Object

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

Field Detail

_main

private ErrorHandler _main

main error handler. The first to handle errors.

_chained

private ErrorHandler _chained

chained error handler. The second to handle errors, no matters how the first handles errors.

Constructor Detail

ChainedErrHandler

public ChainedErrHandler(ErrorHandler main,
                 ErrorHandler chained)

Create new chained error handler.

Parameters:

main - first error handler.

chained - next error handler (may be itself a ChainedErrorHandler...).

Method Detail

handle

public void handle(Error e)

Description copied from interface: Handler

handling one object

Specified by:

handle in interface Handler<Error>

Parameters:

e - object to handle

checkOnly

public boolean checkOnly()

Description copied from interface: ErrorHandler

Checks for error. Only checks. This method doesn't change the handler status.

Specified by:

checkOnly in interface ErrorHandler

Returns:

- true if no error handled since last check(). - any other depending of error handling and user interaction.

checkAndReset

public boolean checkAndReset()

Description copied from interface: ErrorHandler

Checks for error and reset handler. After checking, the handler is reset to its no error state.

Specified by:

checkAndReset in interface ErrorHandler