PCollection<V> and produces a
PCollection<KV<K, V>> by associating
each input element with a key.
There are two versions of
WithKeys, depending on how the key should be determined:
WithKeys.of(SerializableFunction<V, K> fn)takes a function to compute the key from each value.
WithKeys.of(K key)associates each value with the specified key.
- Keys for extracting the key of each component.
- Values for extracting the value of each element.
- KvSwap swaps key-value pair values.
Last updated on 2023/05/31
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