com.alibaba.csp.sentinel.annotation

Annotation Type SentinelResource

@Target(value=METHOD)
 @Retention(value=RUNTIME)
 @Inherited
public @interface SentinelResource

The annotation indicates a definition of Sentinel resource.

Since:

0.1.1

Author:

Eric Zhao

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
String	blockHandler
Class<?>[]	blockHandlerClass The blockHandler is located in the same class with the original method by default.
EntryType	entryType
Class<? extends Throwable>[]	exceptionsToTrace
String	fallback
String	value

Element Detail

value

public abstract String value

Returns:

name of the Sentinel resource

Default:

""

entryType

public abstract EntryType entryType

Returns:

the entry type (inbound or outbound), outbound by default

Default:

com.alibaba.csp.sentinel.EntryType.OUT

blockHandler

public abstract String blockHandler

Returns:

name of the block exception function, empty by default

Default:

""

blockHandlerClass

public abstract Class<?>[] blockHandlerClass

The blockHandler is located in the same class with the original method by default. However, if some methods share the same signature and intend to set the same block handler, then users can set the class where the block handler exists. Note that the block handler method must be static.

Returns:

the class where the block handler exists, should not provide more than one classes

Default:

{}

fallback

public abstract String fallback

Returns:

name of the fallback function, empty by default

Default:

""

exceptionsToTrace

public abstract Class<? extends Throwable>[] exceptionsToTrace

Returns:

the list of exception classes to trace, Throwable by default

Since:

1.5.1

Default:

java.lang.Throwable.class