net.sourceforge.anotherfsm

Class Helpers

java.lang.Object

net.sourceforge.anotherfsm.Helpers

public class Helpers
extends java.lang.Object

Helper functions.

Author:

Michal Turek

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CLASS_INSTANCE_DELIMITER The delimiter of class names and instances.

Constructor Summary

Constructors

Constructor and Description
Helpers()

Method Summary

Methods

Modifier and Type	Method and Description
static void	ensureNotNull(java.lang.Object object, java.lang.String objectName) Verify the passed object is not null.
static void	logExceptionInClientCallback(FsmLogger logger, java.lang.String message, java.lang.RuntimeException exception) Log runtime exception that occurred in client callback.
static void	logThreadUnexpectedlyFinished(FsmLogger logger, java.lang.String message, java.lang.Throwable exception) Log that a serious error occurred and the currently running thread is being unexpectedly terminated.

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_INSTANCE_DELIMITER

public static final java.lang.String CLASS_INSTANCE_DELIMITER

The delimiter of class names and instances.

See Also:

Constant Field Values

Constructor Detail

Helpers

public Helpers()

Method Detail

ensureNotNull

public static void ensureNotNull(java.lang.Object object,
                 java.lang.String objectName)
                          throws java.lang.NullPointerException

Verify the passed object is not null.

Parameters:

object - the object

objectName - the object name

Throws:

java.lang.NullPointerException - if the object is null

logExceptionInClientCallback

public static void logExceptionInClientCallback(FsmLogger logger,
                                java.lang.String message,
                                java.lang.RuntimeException exception)

Log runtime exception that occurred in client callback. Log everything what is possible for future analysis and re-throw the exception. Current thread may stop but it is better than hide a more serious error.

Parameters:

logger - the logger

message - the message to log

exception - the exception that occurred

See Also:

TimeoutStateMachine

logThreadUnexpectedlyFinished

public static void logThreadUnexpectedlyFinished(FsmLogger logger,
                                 java.lang.String message,
                                 java.lang.Throwable exception)

Log that a serious error occurred and the currently running thread is being unexpectedly terminated.

Parameters:

logger - the logger for logging

message - the message to log

exception - the exception that occurred