Type Parameters:

V - value type

Enclosing class:

CommandMeta
```
public static interface CommandMeta.Key<V>
```
A key into the metadata map.

Since:

1.3.0

Method Summary

Modifier and Type	Method	Description
`@Nullable java.util.function.Function<@NonNull CommandMeta,@Nullable V>`	`getFallbackDerivation()`	Get a function that can be used to compute a fallback based on existing meta.
`@NonNull java.lang.String`	`getName()`	Get the name of this key
`@NonNull io.leangen.geantyref.TypeToken<V>`	`getValueType()`	Get a representation of the type of value this key holds.
`static <T> @NonNull CommandMeta.Key<T>`	`of(@NonNull io.leangen.geantyref.TypeToken<T> type, @NonNull java.lang.String key)`	Create a new metadata key.
`static <T> @NonNull CommandMeta.Key<T>`	`of(@NonNull io.leangen.geantyref.TypeToken<T> type, @NonNull java.lang.String key, @NonNull java.util.function.Function<@NonNull CommandMeta,@Nullable T> fallbackDerivation)`	Create a new metadata key.
`static <T> @NonNull CommandMeta.Key<T>`	`of(@NonNull java.lang.Class<T> type, @NonNull java.lang.String key)`	Create a new metadata key.
`static <T> @NonNull CommandMeta.Key<T>`	`of(@NonNull java.lang.Class<T> type, @NonNull java.lang.String key, @NonNull java.util.function.Function<@NonNull CommandMeta,@Nullable T> fallbackDerivation)`	Create a new metadata key.

Method Detail

of

static <T> @NonNull CommandMeta.Key<T> of(@NonNull java.lang.Class<T> type,
                                          @NonNull java.lang.String key)

Create a new metadata key.

Type Parameters:: T - the value type
Parameters:: type - the value type; key - the name for the key
Returns:: a new key

of

static <T> @NonNull CommandMeta.Key<T> of(@NonNull io.leangen.geantyref.TypeToken<T> type,
                                          @NonNull java.lang.String key)

Create a new metadata key.

Type Parameters:: T - the value type
Parameters:: type - the value type; key - the name for the key
Returns:: a new key

of

static <T> @NonNull CommandMeta.Key<T> of(@NonNull java.lang.Class<T> type,
                                          @NonNull java.lang.String key,
                                          @NonNull java.util.function.Function<@NonNull CommandMeta,@Nullable T> fallbackDerivation)

Create a new metadata key.

Type Parameters:: T - the value type
Parameters:: type - the value type; key - the name for the key; fallbackDerivation - A function that will be called if no value is present for the key
Returns:: a new key

of

static <T> @NonNull CommandMeta.Key<T> of(@NonNull io.leangen.geantyref.TypeToken<T> type,
                                          @NonNull java.lang.String key,
                                          @NonNull java.util.function.Function<@NonNull CommandMeta,@Nullable T> fallbackDerivation)

Create a new metadata key.

Type Parameters:: T - the value type
Parameters:: type - the value type; key - the name for the key; fallbackDerivation - A function that will be called if no value is present for the key
Returns:: a new key

getValueType
```
@NonNull io.leangen.geantyref.TypeToken<V> getValueType()
```
Get a representation of the type of value this key holds.

Returns:

the value type

getName
```
@NonNull java.lang.String getName()
```
Get the name of this key

Returns:

the key type

getFallbackDerivation
```
@Nullable java.util.function.Function<@NonNull CommandMeta,@Nullable V> getFallbackDerivation()
```
Get a function that can be used to compute a fallback based on existing meta.
This function will only be used if no value is directly for the key.

Returns:

the fallback derivation

Interface CommandMeta.Key<V>

Method Summary

Method Detail

of

of

of

of

getValueType

getName

getFallbackDerivation