io.netty.util

Class Signal

java.lang.Object

java.lang.Throwable

java.lang.Error

io.netty.util.Signal

All Implemented Interfaces:

Serializable

public final class Signal
extends Error

A special Error which is used to signal some state or request by throwing it. Signal has an empty stack trace and has no cause to save the instantiation overhead.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Signal(String name) Create a new instance

Method Summary

Methods

Modifier and Type	Method and Description
void	expect(Signal signal) Check if the given Signal is the same as this instance.
Throwable	fillInStackTrace()
Throwable	initCause(Throwable cause)
String	toString()

Methods inherited from class java.lang.Throwable

addSuppressed, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, printStackTrace, printStackTrace, printStackTrace, setStackTrace

Methods inherited from class java.lang.Object

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

Constructor Detail

Signal

public Signal(String name)

Create a new instance

Parameters:

name - the name under which it is registered

Method Detail

expect

public void expect(Signal signal)

Check if the given Signal is the same as this instance. If not an IllegalStateException will be thrown.

initCause

public Throwable initCause(Throwable cause)

Overrides:

initCause in class Throwable

fillInStackTrace

public Throwable fillInStackTrace()

Overrides:

fillInStackTrace in class Throwable

toString

public String toString()

Overrides:

toString in class Throwable