org.apache.hudi.common.model

Class OverwriteWithLatestAvroPayload

java.lang.Object

org.apache.hudi.common.model.BaseAvroPayload

org.apache.hudi.common.model.OverwriteWithLatestAvroPayload

All Implemented Interfaces:

Serializable, HoodieRecordPayload<OverwriteWithLatestAvroPayload>

Direct Known Subclasses:

AbstractDebeziumAvroPayload, AWSDmsAvroPayload, DefaultHoodieRecordPayload, OverwriteNonDefaultsWithLatestAvroPayload

public class OverwriteWithLatestAvroPayload
extends BaseAvroPayload
implements HoodieRecordPayload<OverwriteWithLatestAvroPayload>

1. preCombine - Picks the latest delta record for a key, based on an ordering field;
2. combineAndGetUpdateValue/getInsertValue - Simply overwrites storage with latest delta record

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.hudi.common.model.BaseAvroPayload

isDeletedRecord, orderingVal, recordBytes

Constructor Summary

Constructors

Constructor and Description
OverwriteWithLatestAvroPayload(org.apache.avro.generic.GenericRecord record, Comparable orderingVal)
OverwriteWithLatestAvroPayload(Option<org.apache.avro.generic.GenericRecord> record)

Method Summary

Modifier and Type	Method and Description
Option<org.apache.avro.generic.IndexedRecord>	combineAndGetUpdateValue(org.apache.avro.generic.IndexedRecord currentValue, org.apache.avro.Schema schema) This methods is deprecated.
Option<org.apache.avro.generic.IndexedRecord>	getInsertValue(org.apache.avro.Schema schema) This method is deprecated.
Comparable<?>	getOrderingValue() This method can be used to extract the ordering value of the payload for combining/merging, or 0 if no value is specified which means natural order(arrival time is used).
Boolean	overwriteField(Object value, Object defaultValue) Return true if value equals defaultValue otherwise false.
OverwriteWithLatestAvroPayload	preCombine(OverwriteWithLatestAvroPayload oldValue) This method is deprecated.

Methods inherited from class org.apache.hudi.common.model.BaseAvroPayload

canProduceSentinel, getOrderingVal, isDeleted, isDeleteRecord

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hudi.common.model.HoodieRecordPayload

combineAndGetUpdateValue, getInsertValue, getMetadata, preCombine, preCombine

Constructor Detail

OverwriteWithLatestAvroPayload

public OverwriteWithLatestAvroPayload(org.apache.avro.generic.GenericRecord record,
                                      Comparable orderingVal)

OverwriteWithLatestAvroPayload

public OverwriteWithLatestAvroPayload(Option<org.apache.avro.generic.GenericRecord> record)

Method Detail

preCombine

public OverwriteWithLatestAvroPayload preCombine(OverwriteWithLatestAvroPayload oldValue)

Description copied from interface: HoodieRecordPayload

This method is deprecated. Please use this HoodieRecordPayload.preCombine(HoodieRecordPayload, Properties) method.

Specified by:

preCombine in interface HoodieRecordPayload<OverwriteWithLatestAvroPayload>

combineAndGetUpdateValue

public Option<org.apache.avro.generic.IndexedRecord> combineAndGetUpdateValue(org.apache.avro.generic.IndexedRecord currentValue,
                                                                              org.apache.avro.Schema schema)
                                                                       throws IOException

Description copied from interface: HoodieRecordPayload

This methods is deprecated. Please refer to HoodieRecordPayload.combineAndGetUpdateValue(IndexedRecord, Schema, Properties) for java docs.

Specified by:

combineAndGetUpdateValue in interface HoodieRecordPayload<OverwriteWithLatestAvroPayload>

Throws:

IOException

getInsertValue

public Option<org.apache.avro.generic.IndexedRecord> getInsertValue(org.apache.avro.Schema schema)
                                                             throws IOException

Description copied from interface: HoodieRecordPayload

This method is deprecated. Refer to HoodieRecordPayload.getInsertValue(Schema, Properties) for java docs.

Specified by:

getInsertValue in interface HoodieRecordPayload<OverwriteWithLatestAvroPayload>

Parameters:

schema - Schema used for record

Returns:

the IndexedRecord to be inserted.

Throws:

IOException

overwriteField

public Boolean overwriteField(Object value,
                              Object defaultValue)

Return true if value equals defaultValue otherwise false.

getOrderingValue

public Comparable<?> getOrderingValue()

Description copied from interface: HoodieRecordPayload

This method can be used to extract the ordering value of the payload for combining/merging, or 0 if no value is specified which means natural order(arrival time is used).

Specified by:

getOrderingValue in interface HoodieRecordPayload<OverwriteWithLatestAvroPayload>

Returns:

the ordering value