Package org.apache.dubbo.common.lang

Interface ShutdownHookCallback

All Superinterfaces:

Comparable<Prioritized>, Prioritized

@SPI(scope=APPLICATION)
public interface ShutdownHookCallback
extends Prioritized

A callback interface invoked when Dubbo application is stopped.

Note: This class is not directly related to Java ShutdownHook.

Call chains:

1. Java Shutdown Hook -> ApplicationDeployer.destroy() -> execute ShutdownHookCallback
2. Stop dubbo application -> ApplicationDeployer.destroy() -> execute ShutdownHookCallback

Since:

2.7.5

See Also:

• ApplicationDeployListener
• ScopeModelDestroyListener

Field Summary

Fields inherited from interface org.apache.dubbo.common.lang.Prioritized

COMPARATOR, MAX_PRIORITY, MIN_PRIORITY, NORMAL_PRIORITY

Method Summary

Modifier and Type	Method	Description
void	callback()	Callback execution

Methods inherited from interface org.apache.dubbo.common.lang.Prioritized

compareTo, getPriority

Method Details

callback

void callback()
       throws Throwable

Callback execution

Throws:

Throwable - if met with some errors