Package io.activej.common.exception

Class FatalErrorHandlers

java.lang.Object

io.activej.common.exception.FatalErrorHandlers

public final class FatalErrorHandlers
extends Object

Utility methods that allow to handle fatal errors using thread-specific handlers

Constructor Summary

Constructors

Constructor	Description
FatalErrorHandlers()

Method Summary

Modifier and Type	Method	Description
static @NotNull Exception	getExceptionOrThrowError(@NotNull Throwable t)
static @NotNull FatalErrorHandler	getFatalErrorHandler()	Returns a thread fatal error handler.
static void	handleError(@NotNull FatalErrorHandler fatalErrorHandler, @NotNull Throwable e, @Nullable Object context)	Uses a given fatal error handler to handle a received Throwable
static void	handleError(@NotNull Throwable e)	Uses current thread's fatal error handler to handle a received Throwable
static void	handleError(@NotNull Throwable e, @Nullable Object context)	Uses current thread's fatal error handler to handle a received Throwable
static void	setGlobalFatalErrorHandler(@NotNull FatalErrorHandler handler)	Sets a global fatal error handler.
static void	setThreadFatalErrorHandler(@Nullable FatalErrorHandler handler)	Sets a fatal error handler for a current thread

Methods inherited from class java.lang.Object

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

Constructor Details

FatalErrorHandlers

public FatalErrorHandlers()

Method Details

setThreadFatalErrorHandler

public static void setThreadFatalErrorHandler(@Nullable
 @Nullable FatalErrorHandler handler)

Sets a fatal error handler for a current thread

Parameters:

handler - a global fatal error handler

setGlobalFatalErrorHandler

public static void setGlobalFatalErrorHandler(@NotNull
 @NotNull FatalErrorHandler handler)

Sets a global fatal error handler. This handler will be used if no other handler was set for a handling thread using setThreadFatalErrorHandler(FatalErrorHandler)

Parameters:

handler - a global fatal error handler

getFatalErrorHandler

@NotNull
public static @NotNull FatalErrorHandler getFatalErrorHandler()

Returns a thread fatal error handler. If no thread fatal error handler was set using setThreadFatalErrorHandler(FatalErrorHandler), a global fatal error handler will be returned

Returns:

a thread fatal error handler or a global fatal error handler if thread's handler was not set

handleError

public static void handleError(@NotNull
 @NotNull FatalErrorHandler fatalErrorHandler,
 @NotNull
 @NotNull Throwable e,
 @Nullable
 @Nullable Object context)

Uses a given fatal error handler to handle a received Throwable

If an error is a checked exception, no handling will be performed

An optional context may be passed for debug purposes

Parameters:

fatalErrorHandler - a fatal error handler

e - an error to be handled

context - an optional context that provides additional debug information

See Also:

• getFatalErrorHandler()

handleError

public static void handleError(@NotNull
 @NotNull Throwable e,
 @Nullable
 @Nullable Object context)

Uses current thread's fatal error handler to handle a received Throwable

If no error handler is set for the current thread, uses a global fatal error handler

If an error is a checked exception, no handling will be performed

An optional context may be passed for debug purposes

Parameters:

e - an error to be handled

context - an optional context that provides additional debug information

See Also:

• getFatalErrorHandler()

handleError

public static void handleError(@NotNull
 @NotNull Throwable e)

Uses current thread's fatal error handler to handle a received Throwable

See Also:

• handleError(Throwable, Object)

getExceptionOrThrowError

@NotNull
public static @NotNull Exception getExceptionOrThrowError(@NotNull
 @NotNull Throwable t)