org.apache.hudi.secondary.index

Class SecondaryIndexUtils

java.lang.Object

org.apache.hudi.secondary.index.SecondaryIndexUtils

public class SecondaryIndexUtils
extends Object

Utils for secondary index.

Constructor Summary

Constructors

Constructor and Description
SecondaryIndexUtils()

Method Summary

Modifier and Type	Method and Description
static List<HoodieSecondaryIndex>	fromJsonString(String jsonStr) Parse secondary index str to List
static <T> T	fromJsonString(String jsonStr, com.fasterxml.jackson.core.type.TypeReference<T> type)
static com.fasterxml.jackson.databind.ObjectMapper	getObjectMapper()
static Option<List<HoodieSecondaryIndex>>	getSecondaryIndexes(HoodieTableMetaClient metaClient) Get secondary index metadata for this table
static String	toJsonString(Object value)

Methods inherited from class java.lang.Object

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

Constructor Detail

SecondaryIndexUtils

public SecondaryIndexUtils()

Method Detail

getSecondaryIndexes

public static Option<List<HoodieSecondaryIndex>> getSecondaryIndexes(HoodieTableMetaClient metaClient)

Get secondary index metadata for this table

Parameters:

metaClient - HoodieTableMetaClient

Returns:

HoodieSecondaryIndex List

fromJsonString

public static List<HoodieSecondaryIndex> fromJsonString(String jsonStr)

Parse secondary index str to List

Parameters:

jsonStr - Secondary indexes with json format

Returns:

List

toJsonString

public static String toJsonString(Object value)

fromJsonString

public static <T> T fromJsonString(String jsonStr,
                                   com.fasterxml.jackson.core.type.TypeReference<T> type)
                            throws Exception

Throws:

Exception

getObjectMapper

public static com.fasterxml.jackson.databind.ObjectMapper getObjectMapper()