StateBackend.KeyedStateBackendParameters (Flink : 2.0-SNAPSHOT API)

Type Parameters:

K - The type of the keys by which the state is organized.

All Known Implementing Classes:

KeyedStateBackendParametersImpl

Enclosing interface:

StateBackend
```
@PublicEvolving
public static interface StateBackend.KeyedStateBackendParameters<K>
```
Parameters passed to StateBackend.createKeyedStateBackend(KeyedStateBackendParameters).

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CloseableRegistry`	`getCancelStreamRegistry()`
`StateBackend.CustomInitializationMetrics`	`getCustomInitializationMetrics()`
`Environment`	`getEnv()`
`JobID`	`getJobID()`
`KeyGroupRange`	`getKeyGroupRange()`
`TypeSerializer<K>`	`getKeySerializer()`
`TaskKvStateRegistry`	`getKvStateRegistry()`
`double`	`getManagedMemoryFraction()`
`MetricGroup`	`getMetricGroup()`
`int`	`getNumberOfKeyGroups()`
`String`	`getOperatorIdentifier()`
`Collection<KeyedStateHandle>`	`getStateHandles()`
`TtlTimeProvider`	`getTtlTimeProvider()`

- Method Detail
  - getEnv
```
Environment getEnv()
```
    Returns:
    
    The runtime environment of the executing task.
  - getJobID
```
JobID getJobID()
```
  - getOperatorIdentifier
```
String getOperatorIdentifier()
```
  - getKeySerializer
```
TypeSerializer<K> getKeySerializer()
```
  - getNumberOfKeyGroups
```
int getNumberOfKeyGroups()
```
  - getKeyGroupRange
```
KeyGroupRange getKeyGroupRange()
```
    Returns:
    
    Range of key-groups for which the to-be-created backend is responsible.
  - getKvStateRegistry
```
TaskKvStateRegistry getKvStateRegistry()
```
  - getTtlTimeProvider
```
TtlTimeProvider getTtlTimeProvider()
```
    Returns:
    
    Provider for TTL logic to judge about state expiration.
  - getMetricGroup
```
MetricGroup getMetricGroup()
```
  - getStateHandles
```
@Nonnull
Collection<KeyedStateHandle> getStateHandles()
```
  - getCancelStreamRegistry
```
CloseableRegistry getCancelStreamRegistry()
```
    Returns:
    
    The registry to which created closeable objects will be * registered during restore.
  - getManagedMemoryFraction
```
double getManagedMemoryFraction()
```
  - getCustomInitializationMetrics
```
StateBackend.CustomInitializationMetrics getCustomInitializationMetrics()
```