org.seedstack.netflix.hystrix

Annotation Type HystrixCommand

@Target(value=METHOD)
 @Retention(value=RUNTIME)
 @Documented
public @interface HystrixCommand

This annotation is used to specify some methods which should be processed as hystrix commands.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
String	commandKey The Hystrix command key is used to identify a command instance for statistics, circuit-breaker, properties, etc.
String	fallbackMethod Specifies a method to process fallback logic.
String	groupKey The command group key is used for grouping together commands such as for reporting, alerting, dashboards or team/library ownership.

Element Detail

fallbackMethod

public abstract String fallbackMethod

Specifies a method to process fallback logic. A fallback method should be defined in the same class where is HystrixCommand. Also a fallback method should have the same signature to a method which was invoked as hystrix command. For example:

@HystrixCommand(fallbackMethod = "getByIdFallback")
public String getById(String id) {...}

private String getByIdFallback(String id) {...}

Also a fallback method can be annotated with HystrixCommand.

Returns:

method name

Default:

""

groupKey

public abstract String groupKey

The command group key is used for grouping together commands such as for reporting, alerting, dashboards or team/library ownership. Defaults to the runtime name of annotated method Method.getName().

Returns:

group key

See Also:

HystrixCommandGroupKey

Default:

""

commandKey

public abstract String commandKey

The Hystrix command key is used to identify a command instance for statistics, circuit-breaker, properties, etc. Defaults to the runtime name of annotated method Method.getName().

Returns:

command key

See Also:

HystrixCommandKey

Default:

""