org.apache.flink.runtime.persistence

Class StringResourceVersion

java.lang.Object

org.apache.flink.runtime.persistence.StringResourceVersion

All Implemented Interfaces:

Serializable, Comparable<StringResourceVersion>, ResourceVersion<StringResourceVersion>

public class StringResourceVersion
extends Object
implements ResourceVersion<StringResourceVersion>

ResourceVersion implementation with String value. The resource version in Kubernetes is String. And they have same length, we could easily compare string.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
int	compareTo(StringResourceVersion other)
boolean	equals(Object obj)
String	getValue()
int	hashCode()
boolean	isExisting() Check whether the state handle is existing.
static StringResourceVersion	notExisting()
String	toString()
static StringResourceVersion	valueOf(String value)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

compareTo

public int compareTo(@Nonnull
                     StringResourceVersion other)

Specified by:

compareTo in interface Comparable<StringResourceVersion>

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

isExisting

public boolean isExisting()

Description copied from interface: ResourceVersion

Check whether the state handle is existing.

Specified by:

isExisting in interface ResourceVersion<StringResourceVersion>

Returns:

true if state handle exists with current ResourceVersion on external storage. Or false it does not exist.

toString

public String toString()

Overrides:

toString in class Object

getValue

public String getValue()

notExisting

public static StringResourceVersion notExisting()

valueOf

public static StringResourceVersion valueOf(String value)