org.apache.flink.runtime.persistence

Class IntegerResourceVersion

java.lang.Object

org.apache.flink.runtime.persistence.IntegerResourceVersion

All Implemented Interfaces:

Serializable, Comparable<IntegerResourceVersion>, ResourceVersion<IntegerResourceVersion>

public class IntegerResourceVersion
extends Object
implements ResourceVersion<IntegerResourceVersion>

ResourceVersion implementation with Integer value. The resource version in ZooKeeper is Integer.

See Also:

Serialized Form

Method Summary

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

Methods inherited from class java.lang.Object

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

Method Detail

compareTo

public int compareTo(@Nonnull
                     IntegerResourceVersion other)

Specified by:

compareTo in interface Comparable<IntegerResourceVersion>

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<IntegerResourceVersion>

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 int getValue()

notExisting

public static IntegerResourceVersion notExisting()

valueOf

public static IntegerResourceVersion valueOf(int value)

Create a IntegerResourceVersion with given integer value.

Parameters:

value - resource version integer value. The value should not be negative.

Returns:

IntegerResourceVersion with given value.