Package org.apache.cassandra.cdc.avro

Class AvroBaseRecordTransformer<T extends AvroBaseRecordTransformer.BaseSerializedEvent<P>,P>

java.lang.Object

org.apache.cassandra.cdc.avro.CdcEventAvroEncoder

org.apache.cassandra.cdc.avro.AvroBaseRecordTransformer<T,P>

All Implemented Interfaces:

CdcEventTransformer<org.apache.avro.generic.GenericData.Record>

Direct Known Subclasses:

AvroByteRecordTransformer, AvroGenericRecordTransformer

public abstract class AvroBaseRecordTransformer<T extends AvroBaseRecordTransformer.BaseSerializedEvent<P>,P>
extends CdcEventAvroEncoder

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AvroBaseRecordTransformer.BaseSerializedEvent<P>	POJO of a serialized event

Field Summary

Fields

Modifier and Type	Field	Description
static int	DEFAULT_TRUNCATE_THRESHOLD
protected int	truncateThreshold

Fields inherited from class org.apache.cassandra.cdc.avro.CdcEventAvroEncoder

cdcSchema, encoder, rangeSchema, store, ttlSchema, typeLookup

Constructor Summary

Constructors

Constructor	Description
AvroBaseRecordTransformer(SchemaStore store, java.util.function.Function<org.apache.cassandra.cdc.api.KeyspaceTypeKey,org.apache.cassandra.spark.data.CqlField.CqlType> typeLookup, int truncateThreshold, java.lang.String templatePath)
AvroBaseRecordTransformer(SchemaStore store, java.util.function.Function<org.apache.cassandra.cdc.api.KeyspaceTypeKey,org.apache.cassandra.spark.data.CqlField.CqlType> typeLookup, java.lang.String templatePath)

Method Summary

Modifier and Type	Method	Description
abstract org.apache.avro.generic.GenericData.Record	buildRecordWithPayload(T serializedEvent)
abstract T	serializeEvent(org.apache.cassandra.cdc.msg.CdcEvent event)
org.apache.avro.generic.GenericData.Record	transform(org.apache.cassandra.cdc.msg.CdcEvent event)	Transform CdcEvent into Avro record.

Methods inherited from class org.apache.cassandra.cdc.avro.CdcEventAvroEncoder

applyCommonFields, encode

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TRUNCATE_THRESHOLD

public static final int DEFAULT_TRUNCATE_THRESHOLD

See Also:

Constant Field Values

truncateThreshold

protected final int truncateThreshold

Constructor Detail

AvroBaseRecordTransformer

public AvroBaseRecordTransformer(SchemaStore store,
                                 java.util.function.Function<org.apache.cassandra.cdc.api.KeyspaceTypeKey,org.apache.cassandra.spark.data.CqlField.CqlType> typeLookup,
                                 java.lang.String templatePath)

AvroBaseRecordTransformer

public AvroBaseRecordTransformer(SchemaStore store,
                                 java.util.function.Function<org.apache.cassandra.cdc.api.KeyspaceTypeKey,org.apache.cassandra.spark.data.CqlField.CqlType> typeLookup,
                                 int truncateThreshold,
                                 java.lang.String templatePath)

Method Detail

serializeEvent

public abstract T serializeEvent(org.apache.cassandra.cdc.msg.CdcEvent event)

buildRecordWithPayload

public abstract org.apache.avro.generic.GenericData.Record buildRecordWithPayload(T serializedEvent)

transform

public org.apache.avro.generic.GenericData.Record transform(org.apache.cassandra.cdc.msg.CdcEvent event)

Description copied from class: CdcEventAvroEncoder

Transform CdcEvent into Avro record.

Specified by:

transform in interface CdcEventTransformer<T extends AvroBaseRecordTransformer.BaseSerializedEvent<P>>

Specified by:

transform in class CdcEventAvroEncoder

Parameters:

event - the CdcEvent

Returns:

transformed cdc event as an Avro GenericData.Record