io.druid.query.dimension

Class LookupDimensionSpec

java.lang.Object

io.druid.query.dimension.LookupDimensionSpec

All Implemented Interfaces:

Cacheable, DimensionSpec

public class LookupDimensionSpec
extends Object
implements DimensionSpec

Constructor Summary

Constructors

Constructor and Description
LookupDimensionSpec(String dimension, String outputName, LookupExtractor lookup, boolean retainMissingValue, String replaceMissingValueWith, String name, LookupReferencesManager lookupReferencesManager, Boolean optimize)

Method Summary

Modifier and Type	Method and Description
DimensionSelector	decorate(DimensionSelector selector)
boolean	equals(Object o)
byte[]	getCacheKey() Get a byte array used as a cache key.
String	getDimension()
ExtractionFn	getExtractionFn()
LookupExtractor	getLookup()
String	getName()
String	getOutputName()
ValueType	getOutputType()
int	hashCode()
boolean	mustDecorate() Does this DimensionSpec require that decorate() be called to produce correct results?
boolean	preservesOrdering()

Methods inherited from class java.lang.Object

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

Constructor Detail

LookupDimensionSpec

public LookupDimensionSpec(String dimension,
                           String outputName,
                           LookupExtractor lookup,
                           boolean retainMissingValue,
                           String replaceMissingValueWith,
                           String name,
                           LookupReferencesManager lookupReferencesManager,
                           Boolean optimize)

Method Detail

getDimension

public String getDimension()

Specified by:

getDimension in interface DimensionSpec

getOutputName

public String getOutputName()

Specified by:

getOutputName in interface DimensionSpec

getOutputType

public ValueType getOutputType()

Specified by:

getOutputType in interface DimensionSpec

getLookup

@Nullable
public LookupExtractor getLookup()

getName

@Nullable
public String getName()

getExtractionFn

public ExtractionFn getExtractionFn()

Specified by:

getExtractionFn in interface DimensionSpec

decorate

public DimensionSelector decorate(DimensionSelector selector)

Specified by:

decorate in interface DimensionSpec

mustDecorate

public boolean mustDecorate()

Description copied from interface: DimensionSpec

Does this DimensionSpec require that decorate() be called to produce correct results?

Specified by:

mustDecorate in interface DimensionSpec

getCacheKey

public byte[] getCacheKey()

Description copied from interface: Cacheable

Get a byte array used as a cache key.

Specified by:

getCacheKey in interface Cacheable

Returns:

a cache key

preservesOrdering

public boolean preservesOrdering()

Specified by:

preservesOrdering in interface DimensionSpec

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object