org.apache.flink.contrib.streaming.state

Class RocksDBStateBackendFactory

java.lang.Object

org.apache.flink.contrib.streaming.state.RocksDBStateBackendFactory

All Implemented Interfaces:

Serializable, org.apache.flink.runtime.state.StateBackendFactory<RocksDBStateBackend>

public class RocksDBStateBackendFactory
extends Object
implements org.apache.flink.runtime.state.StateBackendFactory<RocksDBStateBackend>

A factory that creates an RocksDBStateBackend from a configuration.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	CHECKPOINT_DIRECTORY_URI_CONF_KEY The key under which the config stores the directory where checkpoints should be stored
protected static org.slf4j.Logger	LOG
static String	ROCKSDB_CHECKPOINT_DIRECTORY_URI_CONF_KEY The key under which the config stores the directory where RocksDB should be stored

Constructor Summary

Constructors

Constructor and Description
RocksDBStateBackendFactory()

Method Summary

Modifier and Type	Method and Description
RocksDBStateBackend	createFromConfig(org.apache.flink.configuration.Configuration config)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

protected static final org.slf4j.Logger LOG

CHECKPOINT_DIRECTORY_URI_CONF_KEY

public static final String CHECKPOINT_DIRECTORY_URI_CONF_KEY

The key under which the config stores the directory where checkpoints should be stored

See Also:

Constant Field Values

ROCKSDB_CHECKPOINT_DIRECTORY_URI_CONF_KEY

public static final String ROCKSDB_CHECKPOINT_DIRECTORY_URI_CONF_KEY

The key under which the config stores the directory where RocksDB should be stored

See Also:

Constant Field Values

Constructor Detail

RocksDBStateBackendFactory

public RocksDBStateBackendFactory()

Method Detail

createFromConfig

public RocksDBStateBackend createFromConfig(org.apache.flink.configuration.Configuration config)
                                     throws org.apache.flink.configuration.IllegalConfigurationException,
                                            IOException

Specified by:

createFromConfig in interface org.apache.flink.runtime.state.StateBackendFactory<RocksDBStateBackend>

Throws:

org.apache.flink.configuration.IllegalConfigurationException

IOException