io.debezium.connector.cassandra.transforms.type.deserializer

Class MapTypeDeserializer

java.lang.Object

io.debezium.connector.cassandra.transforms.type.deserializer.TypeDeserializer

io.debezium.connector.cassandra.transforms.type.deserializer.CollectionTypeDeserializer<org.apache.cassandra.db.marshal.MapType<?,?>>

io.debezium.connector.cassandra.transforms.type.deserializer.MapTypeDeserializer

public class MapTypeDeserializer
extends CollectionTypeDeserializer<org.apache.cassandra.db.marshal.MapType<?,?>>

Constructor Summary

Constructors

Constructor and Description
MapTypeDeserializer()

Method Summary

Modifier and Type	Method and Description
Object	deserialize(org.apache.cassandra.db.marshal.AbstractType<?> abstractType, ByteBuffer bb)
Object	deserialize(org.apache.cassandra.db.marshal.MapType<?,?> mapType, org.apache.cassandra.db.rows.ComplexColumnData ccd)
org.apache.kafka.connect.data.SchemaBuilder	getSchemaBuilder(org.apache.cassandra.db.marshal.AbstractType<?> abstractType)
private Map<?,?>	processKeyValueInDeserializedMap(org.apache.cassandra.db.marshal.AbstractType<?> abstractType, Map<?,?> deserializedMap) If elements in a deserialized map is LogicalType, convert each element to fit in Kafka Schema type

Methods inherited from class java.lang.Object

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

Constructor Detail

MapTypeDeserializer

public MapTypeDeserializer()

Method Detail

deserialize

public Object deserialize(org.apache.cassandra.db.marshal.AbstractType<?> abstractType,
                          ByteBuffer bb)

Overrides:

deserialize in class TypeDeserializer

getSchemaBuilder

public org.apache.kafka.connect.data.SchemaBuilder getSchemaBuilder(org.apache.cassandra.db.marshal.AbstractType<?> abstractType)

Specified by:

getSchemaBuilder in class TypeDeserializer

deserialize

public Object deserialize(org.apache.cassandra.db.marshal.MapType<?,?> mapType,
                          org.apache.cassandra.db.rows.ComplexColumnData ccd)

Specified by:

deserialize in class CollectionTypeDeserializer<org.apache.cassandra.db.marshal.MapType<?,?>>

processKeyValueInDeserializedMap

private Map<?,?> processKeyValueInDeserializedMap(org.apache.cassandra.db.marshal.AbstractType<?> abstractType,
                                                  Map<?,?> deserializedMap)

If elements in a deserialized map is LogicalType, convert each element to fit in Kafka Schema type

Parameters:

abstractType - the AbstractType of a column in Cassandra

deserializedMap - Map deserialized from Cassandra

Returns:

A deserialized map from Cassandra with each element that fits in Kafka Schema type