HashMapStateBackendFactory (Flink : Runtime 2.0.0 API)

java.lang.Object
- org.apache.flink.runtime.state.hashmap.HashMapStateBackendFactory

All Implemented Interfaces:

StateBackendFactory<HashMapStateBackend>
```
@PublicEvolving
public class HashMapStateBackendFactory
extends Object
implements StateBackendFactory<HashMapStateBackend>
```
A factory that creates an HashMapStateBackend from a configuration.

Constructor Summary

Constructors
Constructor Description

HashMapStateBackendFactory()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`HashMapStateBackend`	`createFromConfig(org.apache.flink.configuration.ReadableConfig config, ClassLoader classLoader)`	Creates the state backend, optionally using the given configuration.

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

- Constructor Detail
  - HashMapStateBackendFactory
```
public HashMapStateBackendFactory()
```
- Method Detail
  - createFromConfig
```
public HashMapStateBackend createFromConfig(org.apache.flink.configuration.ReadableConfig config,
                                            ClassLoader classLoader)
                                     throws org.apache.flink.configuration.IllegalConfigurationException
```
    Description copied from interface: StateBackendFactory
    
    Creates the state backend, optionally using the given configuration.
    
    Specified by:
    
    createFromConfig in interface StateBackendFactory<HashMapStateBackend>
    
    Parameters:
    
    config - The Flink configuration (loaded by the TaskManager).
    
    classLoader - The class loader that should be used to load the state backend.
    
    Returns:
    
    The created state backend.
    
    Throws:
    
    org.apache.flink.configuration.IllegalConfigurationException - If the configuration misses critical values, or specifies invalid values