Package org.apache.druid.query.context

Interface Summary

Interface	Description
ResponseContext.Key	The base interface of a response context key.

Class Summary

Class	Description
ConcurrentResponseContext	The implementation of ResponseContext with a ConcurrentHashMap as a delegate
DefaultResponseContext	The implementation of ResponseContext with a HashMap as a delegate
ResponseContext	The context for storing and passing data between chains of QueryRunners.
ResponseContext.AbstractKey	Abstract key class which provides most functionality except the type-specific merge logic.
ResponseContext.BooleanKey	Boolean valued attribute with the semantics that once the flag is set true, it stays true.
ResponseContext.CounterKey	Long valued attribute that holds the accumulation of values assigned.
ResponseContext.Keys	Global registry of response context keys.
ResponseContext.LongKey	Long valued attribute that holds the latest value assigned.
ResponseContext.SerializationResult	Serialization result of ResponseContext.
ResponseContext.StringKey	String valued attribute that holds the latest value assigned.
ResponseContextDeserializer	Deserialize a response context.