Package org.apache.druid.query.context

Class ResponseContext.CounterKey

java.lang.Object

org.apache.druid.query.context.ResponseContext.AbstractKey

org.apache.druid.query.context.ResponseContext.CounterKey

All Implemented Interfaces:

ResponseContext.Key

Enclosing class:

ResponseContext

public static class ResponseContext.CounterKey
extends ResponseContext.AbstractKey

Long valued attribute that holds the accumulation of values assigned.

Method Summary

Modifier and Type	Method	Description
Object	mergeValues(Object oldValue, Object newValue)	Merges two values of type T.

Methods inherited from class org.apache.druid.query.context.ResponseContext.AbstractKey

canDrop, getName, includeInHeader, readValue, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

mergeValues

public Object mergeValues(Object oldValue,
                          Object newValue)

Description copied from interface: ResponseContext.Key

Merges two values of type T.

This method may modify "oldValue" but must not modify "newValue".