org.apache.hudi.common.model

Class HoodieIndexMetadata

java.lang.Object

org.apache.hudi.common.model.HoodieIndexMetadata

All Implemented Interfaces:

Serializable

public class HoodieIndexMetadata
extends Object
implements Serializable

Represents the metadata for all functional and secondary indexes in Hudi.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
HoodieIndexMetadata()
HoodieIndexMetadata(Map<String,HoodieIndexDefinition> indexDefinitions)

Method Summary

Modifier and Type	Method and Description
static HoodieIndexMetadata	fromJson(String json) Deserialize from JSON string to create an instance of this class.
Map<String,HoodieIndexDefinition>	getIndexDefinitions()
void	setIndexDefinitions(Map<String,HoodieIndexDefinition> indexDefinitions)
String	toJson() Serialize this object to JSON string.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

HoodieIndexMetadata

public HoodieIndexMetadata()

HoodieIndexMetadata

public HoodieIndexMetadata(Map<String,HoodieIndexDefinition> indexDefinitions)

Method Detail

getIndexDefinitions

public Map<String,HoodieIndexDefinition> getIndexDefinitions()

setIndexDefinitions

public void setIndexDefinitions(Map<String,HoodieIndexDefinition> indexDefinitions)

toJson

public String toJson()
              throws com.fasterxml.jackson.core.JsonProcessingException

Serialize this object to JSON string.

Returns:

Serialized JSON string.

Throws:

com.fasterxml.jackson.core.JsonProcessingException - If any serialization errors occur.

fromJson

public static HoodieIndexMetadata fromJson(String json)
                                    throws IOException

Deserialize from JSON string to create an instance of this class.

Parameters:

json - Input JSON string.

Returns:

Deserialized instance of HoodieIndexesMetadata.

Throws:

IOException - If any deserialization errors occur.

toString

public String toString()

Overrides:

toString in class Object