io.druid.query

Interface CacheStrategy<T,CacheType,QueryType extends Query<T>>

public interface CacheStrategy<T,CacheType,QueryType extends Query<T>>

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	computeCacheKey(QueryType query)
com.fasterxml.jackson.core.type.TypeReference<CacheType>	getCacheObjectClazz()
com.metamx.common.guava.Sequence<T>	mergeSequences(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<T>> seqOfSequences)
com.google.common.base.Function<T,CacheType>	prepareForCache()
com.google.common.base.Function<CacheType,T>	pullFromCache()

Method Detail

computeCacheKey

byte[] computeCacheKey(QueryType query)

getCacheObjectClazz

com.fasterxml.jackson.core.type.TypeReference<CacheType> getCacheObjectClazz()

prepareForCache

com.google.common.base.Function<T,CacheType> prepareForCache()

pullFromCache

com.google.common.base.Function<CacheType,T> pullFromCache()

mergeSequences

com.metamx.common.guava.Sequence<T> mergeSequences(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<T>> seqOfSequences)