com.github.pmerienne.trident.state.util

Class MapStateUtil

java.lang.Object

com.github.pmerienne.trident.state.util.MapStateUtil

public class MapStateUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
MapStateUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> T	getSingle(storm.trident.state.map.MapState<T> state, Object singleKey)
static <T> T	getSingle(storm.trident.state.map.MapState<T> state, Object key1, Object key2)
static <T> void	putSingle(storm.trident.state.map.MapState<T> state, Object key1, Object key2, T value)
static <T> void	putSingle(storm.trident.state.map.MapState<T> state, Object singleKey, T value)
static <T> T	singleValue(List<T> values)
static List<List<Object>>	toKeys(Object singleKey)

Methods inherited from class java.lang.Object

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

Constructor Detail

MapStateUtil

public MapStateUtil()

Method Detail

putSingle

public static <T> void putSingle(storm.trident.state.map.MapState<T> state,
                 Object singleKey,
                 T value)

putSingle

public static <T> void putSingle(storm.trident.state.map.MapState<T> state,
                 Object key1,
                 Object key2,
                 T value)

getSingle

public static <T> T getSingle(storm.trident.state.map.MapState<T> state,
              Object singleKey)

getSingle

public static <T> T getSingle(storm.trident.state.map.MapState<T> state,
              Object key1,
              Object key2)

singleValue

public static <T> T singleValue(List<T> values)

toKeys

public static List<List<Object>> toKeys(Object singleKey)