alluxio.conf

Class DeprecatedKeyChecker

java.lang.Object

alluxio.conf.DeprecatedKeyChecker

public class DeprecatedKeyChecker
extends Object

This annotation checker should be used to determine whether a PropertyKey or PropertyKey.Template has a given annotation. The class is mainly useful to check for Deprecated annotations on property keys and return the associated message, if any.

Constructor Summary

Constructors

Constructor and Description
DeprecatedKeyChecker() Create a new instance of DeprecatedKeyChecker.

Method Summary

Modifier and Type	Method and Description
Deprecated	getAnnotation(PropertyKey key) Returns the annotation attached to the given property key.
boolean	hasAnnotation(PropertyKey key) Returns whether or not the given property key is marked by this class' annotation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DeprecatedKeyChecker

public DeprecatedKeyChecker()

Create a new instance of DeprecatedKeyChecker.

Method Detail

hasAnnotation

public boolean hasAnnotation(PropertyKey key)

Returns whether or not the given property key is marked by this class' annotation. It first checks if the specific key has the annotation, otherwise it will fall back to checking if the key's name matches any of the PropertyKey templates. If no keys or templates match, it will return false. This will only return true when the key is marked with a Deprecated annotation.

Parameters:

key - the property key to check

Returns:

if this property key is deprecated

See Also:

Deprecated, PropertyKey.getDeprecationMessage(PropertyKey)

getAnnotation

@Nullable
public Deprecated getAnnotation(PropertyKey key)

Returns the annotation attached to the given property key.

Parameters:

key - the key to get the annotation for

Returns:

the annotation if it exists, null otherwise