com.mapr.db.cdc

Class ChangeDataRecordDeserializer

java.lang.Object

com.mapr.db.cdc.ChangeDataRecordDeserializer

All Implemented Interfaces:

com.mapr.streams.MapRCDCDeserializer, java.io.Closeable, java.lang.AutoCloseable, org.apache.kafka.common.serialization.Deserializer<org.ojai.store.cdc.ChangeDataRecord>

public class ChangeDataRecordDeserializer
extends java.lang.Object
implements org.apache.kafka.common.serialization.Deserializer<org.ojai.store.cdc.ChangeDataRecord>, com.mapr.streams.MapRCDCDeserializer

An implementation of Kafka's Deserializer which deserializes the MapR Stream messages to an instance of ChangeDataRecord class.

Field Summary

Fields

Modifier and Type	Field and Description
static int	TOPIC_CFMAP_CACHE_DURATION_MINS
static int	TOPIC_CFMAP_CACHE_NUM_ENTRIES

Constructor Summary

Constructors

Constructor and Description
ChangeDataRecordDeserializer()

Method Summary

Modifier and Type	Method and Description
void	close() Closes this instance of deserializer.
void	configure(java.util.Map<java.lang.String,?> configs, boolean isKey) Configure this instance of the deserializer.
org.ojai.store.cdc.ChangeDataRecord	deserialize(java.lang.String topic, byte[] data)
com.mapr.fs.proto.Dbserver.CDCOpenFormatType	getOpenFormatType()

Methods inherited from class java.lang.Object

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

Field Detail

TOPIC_CFMAP_CACHE_NUM_ENTRIES

public static final int TOPIC_CFMAP_CACHE_NUM_ENTRIES

See Also:

Constant Field Values

TOPIC_CFMAP_CACHE_DURATION_MINS

public static final int TOPIC_CFMAP_CACHE_DURATION_MINS

See Also:

Constant Field Values

Constructor Detail

ChangeDataRecordDeserializer

public ChangeDataRecordDeserializer()

Method Detail

configure

public void configure(java.util.Map<java.lang.String,?> configs,
                      boolean isKey)

Configure this instance of the deserializer.

Specified by:

configure in interface org.apache.kafka.common.serialization.Deserializer<org.ojai.store.cdc.ChangeDataRecord>

Parameters:

configs - configs in key/value pairs

isKey - whether is for key or value

deserialize

public org.ojai.store.cdc.ChangeDataRecord deserialize(java.lang.String topic,
                                                       byte[] data)

Specified by:

deserialize in interface org.apache.kafka.common.serialization.Deserializer<org.ojai.store.cdc.ChangeDataRecord>

Parameters:

topic - topic associated with the data

data - serialized bytes

Returns:

deserialized ChangeDataRecord

close

public void close()

Closes this instance of deserializer.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface org.apache.kafka.common.serialization.Deserializer<org.ojai.store.cdc.ChangeDataRecord>

getOpenFormatType

public com.mapr.fs.proto.Dbserver.CDCOpenFormatType getOpenFormatType()

Specified by:

getOpenFormatType in interface com.mapr.streams.MapRCDCDeserializer