com.github.pmerienne.trident.state.memory

Class MemoryMapMultimapState<K1,K2,V>

java.lang.Object

com.github.pmerienne.trident.state.memory.TransactionalMemoryMapState<Map<K2,V>>

com.github.pmerienne.trident.state.memory.MemoryMapMultimapState<K1,K2,V>

All Implemented Interfaces:

ExtendedState<V>, MapMultimapState<K1,K2,V>, storm.trident.state.ITupleCollection, storm.trident.state.map.MapState<Map<K2,V>>, storm.trident.state.map.ReadOnlyMapState<Map<K2,V>>, storm.trident.state.snapshot.ReadOnlySnapshottable<Map<K2,V>>, storm.trident.state.snapshot.Snapshottable<Map<K2,V>>, storm.trident.state.State

public class MemoryMapMultimapState<K1,K2,V>
extends TransactionalMemoryMapState<Map<K2,V>>
implements MapMultimapState<K1,K2,V>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MemoryMapMultimapState.Factory<K1,K2,V>

Nested classes/interfaces inherited from class com.github.pmerienne.trident.state.memory.TransactionalMemoryMapState

TransactionalMemoryMapState.MemoryMapStateBacking<T>

Constructor Summary

Constructors

Constructor and Description
MemoryMapMultimapState(String id)

Method Summary

Methods

Modifier and Type	Method and Description
V	get(K1 key, K2 subkey) Get the value stored at key, subkey.
Map<K2,V>	getAll(K1 key) Returns the nested map at key.
boolean	put(K1 key, K2 subkey, V value) Add a given value at key, subkey.

Methods inherited from class com.github.pmerienne.trident.state.memory.TransactionalMemoryMapState

beginCommit, commit, get, getTuples, multiGet, multiPut, multiUpdate, set, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface storm.trident.state.State

beginCommit, commit

Constructor Detail

MemoryMapMultimapState

public MemoryMapMultimapState(String id)

Method Detail

put

public boolean put(K1 key,
          K2 subkey,
          V value)

Description copied from interface: MapMultimapState

Add a given value at key, subkey.

Specified by:

put in interface MapMultimapState<K1,K2,V>

Returns:

get

public V get(K1 key,
    K2 subkey)

Description copied from interface: MapMultimapState

Get the value stored at key, subkey.

Specified by:

get in interface MapMultimapState<K1,K2,V>

Returns:

the stored value or null if there's no mappings

getAll

public Map<K2,V> getAll(K1 key)

Description copied from interface: MapMultimapState

Returns the nested map at key. If there's no mappings, an empty Map is returned.

Specified by:

getAll in interface MapMultimapState<K1,K2,V>

Returns: