JobMasterId (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.util.AbstractID
- - org.apache.flink.runtime.jobmaster.JobMasterId

All Implemented Interfaces:

Serializable, Comparable<AbstractID>
```
public class JobMasterId
extends AbstractID
```
The JobMaster fencing token.

See Also:

Serialized Form

Field Summary
- Fields inherited from class org.apache.flink.util.AbstractID
  lowerPart, SIZE, upperPart

Constructor Summary

Constructors
Constructor Description

JobMasterId(UUID uuid)
Creates a JobMasterId that takes the bits from the given UUID.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static JobMasterId`	`fromUuidOrNull(UUID uuid)`	If the given uuid is null, this returns null, otherwise a JobMasterId that corresponds to the UUID, via `JobMasterId(UUID)`.
`static JobMasterId`	`generate()`	Generates a new random JobMasterId.
`UUID`	`toUUID()`	Creates a UUID with the bits from this JobMasterId.

Methods inherited from class org.apache.flink.util.AbstractID
compareTo, equals, getBytes, getLowerPart, getUpperPart, hashCode, toHexString, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - JobMasterId
```
public JobMasterId(UUID uuid)
```
    Creates a JobMasterId that takes the bits from the given UUID.
- Method Detail
  - toUUID
```
public UUID toUUID()
```
    Creates a UUID with the bits from this JobMasterId.
  - generate
```
public static JobMasterId generate()
```
    Generates a new random JobMasterId.
  - fromUuidOrNull
```
public static JobMasterId fromUuidOrNull(@Nullable
                                         UUID uuid)
```
    If the given uuid is null, this returns null, otherwise a JobMasterId that corresponds to the UUID, via JobMasterId(UUID).