Interface ValueColumn<K,T>
- Type Parameters:
K- eitherLong(for rows) orItemIdentityfor itemsT- type of value
@PublicApi
public interface ValueColumn<K,T>
Represents a map of values, with one value per key.
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Method Summary
Modifier and TypeMethodDescriptionstatic <K,T> ValueColumn<K, T> empty()Returns the value for the given key.
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Method Details
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getValue
Returns the value for the given key.- Parameters:
key- the key- Returns:
- value or
nullif the value has not been calculated
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empty
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