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

Class MapTypeDeserializer

java.lang.Object

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

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

All Implemented Interfaces:

TypeDeserializer

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

Field Summary

Fields

Modifier and Type	Field	Description
private final DebeziumTypeDeserializer	deserializer

Constructor Summary

Constructors

Constructor	Description
MapTypeDeserializer(DebeziumTypeDeserializer deserializer)

Method Summary

Modifier and Type	Method	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

Field Details

deserializer

private final DebeziumTypeDeserializer deserializer

Constructor Details

MapTypeDeserializer

public MapTypeDeserializer(DebeziumTypeDeserializer deserializer)

Method Details

deserialize

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

getSchemaBuilder

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

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