Added in API level 1

RetentionPolicy

class RetentionPolicy

kotlin.Any
↳	kotlin.Enum<java.lang.annotation.RetentionPolicy>
	↳	java.lang.annotation.RetentionPolicy

Known Direct Subclasses RetentionPolicy.CLASS, RetentionPolicy.RUNTIME, RetentionPolicy.SOURCE RetentionPolicy.CLASS Annotations are to be recorded in the class file by the compiler but need not be retained by the VM at run time. RetentionPolicy.RUNTIME Annotations are to be recorded in the class file by the compiler and retained by the VM at run time, so they may be read reflectively. RetentionPolicy.SOURCE Annotations are to be discarded by the compiler.

Annotation retention policy. The constants of this enumerated class describe the various policies for retaining annotations. They are used in conjunction with the Retention meta-annotation interface to specify how long annotations are to be retained.

Summary

Enum values
CLASS Annotations are to be recorded in the class file by the compiler but need not be retained by the VM at run time.
RUNTIME Annotations are to be recorded in the class file by the compiler and retained by the VM at run time, so they may be read reflectively.
SOURCE Annotations are to be discarded by the compiler.

Enum values

CLASS

Added in API level 1

enum val CLASS : RetentionPolicy

Annotations are to be recorded in the class file by the compiler but need not be retained by the VM at run time. This is the default behavior.

RUNTIME

Added in API level 1

enum val RUNTIME : RetentionPolicy

Annotations are to be recorded in the class file by the compiler and retained by the VM at run time, so they may be read reflectively.

See Also

• java.lang.reflect.AnnotatedElement

SOURCE

Added in API level 1

enum val SOURCE : RetentionPolicy

Annotations are to be discarded by the compiler.