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Interface KeyExtractor (1.13.6)
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public interface KeyExtractor
A KeyExtractor can extract the Pub/Sub Lite 'key' field used for message routing from a
PubsubMessage. It will by default use the ordering_key field directly for this if it exists.
An empty ByteString implies that the message should have no ordering key.
Static Fields
public static final KeyExtractor DEFAULT
An extractor that gets the routing key from the ordering key field.
Methods
public abstract ByteString extractKey(PubsubMessage message)
Extract the ByteString routing key from a PubsubMessage.
Parameter
Name Description
messagecom.google.pubsub.v1.PubsubMessage
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Last updated 2024-05-30 UTC.
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