public class MapStateUtil extends Object
| Constructor and Description |
|---|
MapStateUtil() |
| 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) |
public static <T> void putSingle(storm.trident.state.map.MapState<T> state,
Object singleKey,
T value)
public static <T> void putSingle(storm.trident.state.map.MapState<T> state,
Object key1,
Object key2,
T value)
public static <T> T getSingle(storm.trident.state.map.MapState<T> state,
Object singleKey)
public static <T> T getSingle(storm.trident.state.map.MapState<T> state,
Object key1,
Object key2)
public static <T> T singleValue(List<T> values)
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