Package org.apache.druid.query.lookup

Class LookupUtils

java.lang.Object

org.apache.druid.query.lookup.LookupUtils

public class LookupUtils
extends Object

Utility class for lookup related things

Method Summary

Modifier and Type	Method	Description
static Map<String,LookupExtractorFactoryContainer>	tryConvertObjectMapToLookupConfigMap(Map<String,Object> lookupNameToGenericConfig, com.fasterxml.jackson.databind.ObjectMapper objectMapper)	Takes a map of String to Object, representing lookup name to generic lookup config, and attempts to construct a map from String to LookupExtractorFactoryContainer.

Methods inherited from class java.lang.Object

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

Method Details

tryConvertObjectMapToLookupConfigMap

public static Map<String,LookupExtractorFactoryContainer> tryConvertObjectMapToLookupConfigMap(Map<String,Object> lookupNameToGenericConfig,
 com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Takes a map of String to Object, representing lookup name to generic lookup config, and attempts to construct a map from String to LookupExtractorFactoryContainer. Any lookup configs that are not able to be converted to LookupExtractorFactoryContainer, will be logged as warning, and will not be included in the map returned.

Parameters:

lookupNameToGenericConfig - The lookup generic config map.

objectMapper - The object mapper to use to convert bytes to LookupExtractorFactoryContainer

Returns: