io.druid.query.extraction

Class SearchQuerySpecDimExtractionFn

java.lang.Object

io.druid.query.extraction.DimExtractionFn

io.druid.query.extraction.SearchQuerySpecDimExtractionFn

All Implemented Interfaces:

ExtractionFn

public class SearchQuerySpecDimExtractionFn
extends DimExtractionFn

Constructor Summary

Constructors

Constructor and Description
SearchQuerySpecDimExtractionFn(SearchQuerySpec searchQuerySpec)

Method Summary

Methods

Modifier and Type	Method and Description
String	apply(String dimValue)
boolean	equals(Object o)
byte[]	getCacheKey() Returns a byte[] unique to all concrete implementations of DimExtractionFn.
SearchQuerySpec	getSearchQuerySpec()
int	hashCode()
boolean	preservesOrdering() Offers information on whether the extraction will preserve the original ordering of the values.
String	toString()

Methods inherited from class io.druid.query.extraction.DimExtractionFn

apply, apply

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SearchQuerySpecDimExtractionFn

public SearchQuerySpecDimExtractionFn(SearchQuerySpec searchQuerySpec)

Method Detail

getSearchQuerySpec

public SearchQuerySpec getSearchQuerySpec()

getCacheKey

public byte[] getCacheKey()

Description copied from interface: ExtractionFn

Returns a byte[] unique to all concrete implementations of DimExtractionFn. This byte[] is used to generate a cache key for the specific query.

Returns:

a byte[] unit to all concrete implements of DimExtractionFn

apply

public String apply(String dimValue)

preservesOrdering

public boolean preservesOrdering()

Description copied from interface: ExtractionFn

Offers information on whether the extraction will preserve the original ordering of the values. Some optimizations of queries is possible if ordering is preserved. Null values *do* count towards ordering.

Returns:

true if ordering is preserved, false otherwise

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object