Package io.siddhi.annotation

Annotation Type ReturnAttribute

@Retention(RUNTIME)
@Target({})
public @interface ReturnAttribute

Annotation for storing additional attributes returned by a stream processor. This should not be directly applied to any classes.

 eg:-
      @Extension(
                     ...
                      returnAttributes = {@ReturnAttribute( name = "attribute1",
                                                                      type = {DataType.INT, DataType.LONG},
                                                                      description="Description of attribute1"),
                                          {@ReturnAttribute( name = "attribute2",
                                                                      type = {DataType.INT},
                                                                      description="Description of attribute2")},
                     ...
      )
      public CustomExtension extends ExtensionSuperClass {
          ...
      }
 

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
String	description
String	name
DataType[]	type

Element Detail

name

String name

Default:

""

type

DataType[] type

Default:

{}

description

String description

Default:

""