Package org.apache.druid.query.lookup

Class MapLookupExtractorFactory

java.lang.Object

org.apache.druid.query.lookup.MapLookupExtractorFactory

All Implemented Interfaces:

com.google.common.base.Supplier<LookupExtractor>, Supplier<LookupExtractor>, LookupExtractorFactory

public class MapLookupExtractorFactory
extends Object
implements LookupExtractorFactory

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MapLookupExtractorFactory.MapLookupIntrospectionHandler

Constructor Summary

Constructors

Constructor	Description
MapLookupExtractorFactory(Map<String,String> map, boolean isOneToOne)

Method Summary

Modifier and Type	Method	Description
void	awaitInitialization()
boolean	close()
boolean	equals(Object o)
LookupExtractor	get()
LookupIntrospectHandler	getIntrospectHandler()
int	hashCode()
boolean	isInitialized()
boolean	replaces(LookupExtractorFactory other)	For MapLookups, the replaces consideration is very easy, it simply considers if the other is the same as this one
boolean	start()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.query.lookup.LookupExtractorFactory

destroy

Constructor Details

MapLookupExtractorFactory

public MapLookupExtractorFactory(Map<String,String> map,
 boolean isOneToOne)

Method Details

start

public boolean start()

Specified by:

start in interface LookupExtractorFactory

close

public boolean close()

Specified by:

close in interface LookupExtractorFactory

replaces

public boolean replaces(@Nullable
 LookupExtractorFactory other)

For MapLookups, the replaces consideration is very easy, it simply considers if the other is the same as this one

Specified by:

replaces in interface LookupExtractorFactory

Parameters:

other - Some other LookupExtractorFactory which might need replaced

Returns:

true - should replace, false - should not replace

getIntrospectHandler

@Nullable
public LookupIntrospectHandler getIntrospectHandler()

Specified by:

getIntrospectHandler in interface LookupExtractorFactory

awaitInitialization

public void awaitInitialization()

Specified by:

awaitInitialization in interface LookupExtractorFactory

isInitialized

public boolean isInitialized()

Specified by:

isInitialized in interface LookupExtractorFactory

get

public LookupExtractor get()

Specified by:

get in interface com.google.common.base.Supplier<LookupExtractor>

Specified by:

get in interface Supplier<LookupExtractor>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object