io.ray.streaming.state.store.impl

Class MemoryKeyMapStore<K,S,T>

java.lang.Object

io.ray.streaming.state.store.impl.MemoryKeyMapStore<K,S,T>

All Implemented Interfaces:

KeyMapStore<K,S,T>, KeyValueStore<K,Map<S,T>>, Serializable

public class MemoryKeyMapStore<K,S,T>
extends Object
implements KeyMapStore<K,S,T>

Memory Key Map Store.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MemoryKeyMapStore()

Method Summary

Modifier and Type	Method and Description
void	clearCache() clear all cache.
void	close() close the store.
void	flush() flush to disk.
Map<S,T>	get(K key) get value from store.
T	get(K key, S subKey) get subValue from store.
void	put(K key, Map<S,T> value) put key value into store.
void	put(K key, S subKey, T value) put sub key value into the store incrementally.
void	remove(K key) remove key in the store.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryKeyMapStore

public MemoryKeyMapStore()

Method Detail

put

public void put(K key,
                Map<S,T> value)
         throws IOException

Description copied from interface: KeyValueStore

put key value into store.

Specified by:

put in interface KeyValueStore<K,Map<S,T>>

Throws:

IOException

put

public void put(K key,
                S subKey,
                T value)
         throws IOException

Description copied from interface: KeyMapStore

put sub key value into the store incrementally.

Specified by:

put in interface KeyMapStore<K,S,T>

Throws:

IOException

get

public Map<S,T> get(K key)
             throws IOException

Description copied from interface: KeyValueStore

get value from store.

Specified by:

get in interface KeyValueStore<K,Map<S,T>>

Throws:

IOException

get

public T get(K key,
             S subKey)
      throws IOException

Description copied from interface: KeyMapStore

get subValue from store.

Specified by:

get in interface KeyMapStore<K,S,T>

Throws:

IOException

remove

public void remove(K key)
            throws IOException

Description copied from interface: KeyValueStore

remove key in the store.

Specified by:

remove in interface KeyValueStore<K,Map<S,T>>

Throws:

IOException

flush

public void flush()
           throws IOException

Description copied from interface: KeyValueStore

flush to disk.

Specified by:

flush in interface KeyValueStore<K,Map<S,T>>

Throws:

IOException

clearCache

public void clearCache()

Description copied from interface: KeyValueStore

clear all cache.

Specified by:

clearCache in interface KeyValueStore<K,Map<S,T>>

close

public void close()
           throws IOException

Description copied from interface: KeyValueStore

close the store.

Specified by:

close in interface KeyValueStore<K,Map<S,T>>

Throws:

IOException