Package io.debezium.connector.cassandra.transforms

Class CassandraTypeDeserializer

java.lang.Object

io.debezium.connector.cassandra.transforms.CassandraTypeDeserializer

@ThreadSafe
@Immutable
public final class CassandraTypeDeserializer
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	CassandraTypeDeserializer.DecimalMode
static enum	CassandraTypeDeserializer.VarIntMode

Field Summary

Fields

Modifier and Type	Field	Description
private static CassandraTypeDeserializer	instance
private Map<Class<? extends org.apache.cassandra.db.marshal.AbstractType>,TypeDeserializer>	TYPE_MAP

Constructor Summary

Constructors

Modifier	Constructor	Description
private	CassandraTypeDeserializer()

Method Summary

Modifier and Type	Method	Description
static Object	deserialize(com.datastax.oss.driver.api.core.type.DataType dataType, ByteBuffer bb)	Deserialize from snapshot/datastax-sourced cassandra data.
static Object	deserialize(org.apache.cassandra.db.marshal.AbstractType<?> abstractType, ByteBuffer bb)	Deserialize from cdc-log-sourced cassandra data.
static Object	deserialize(org.apache.cassandra.db.marshal.CollectionType<?> collectionType, org.apache.cassandra.db.rows.ComplexColumnData ccd)	Deserialize from cdc-log-sourced cassandra data.
static CassandraTypeDeserializer	getInstance()
static org.apache.kafka.connect.data.SchemaBuilder	getSchemaBuilder(org.apache.cassandra.db.marshal.AbstractType<?> abstractType)	Construct a kafka connect SchemaBuilder object from a Cassandra data type
static TypeDeserializer	getTypeDeserializer(org.apache.cassandra.db.marshal.AbstractType<?> abstractType)	Get TypeDeserializer of AbstractType
static void	init(DebeziumTypeDeserializer typeDeserializer, CassandraTypeDeserializer.DecimalMode decimalMode, CassandraTypeDeserializer.VarIntMode varIntMode)
private void	initInternal(DebeziumTypeDeserializer deserializer, CassandraTypeDeserializer.DecimalMode decimalMode, CassandraTypeDeserializer.VarIntMode varIntMode)
static void	setDecimalMode(CassandraTypeDeserializer.DecimalMode decimalMode)	Set deserialization mode for decimal columns
static void	setVarIntMode(CassandraTypeDeserializer.VarIntMode varIntMode)	Set deserialization mode for varint columns

Methods inherited from class java.lang.Object

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

Field Details

TYPE_MAP

private Map<Class<? extends org.apache.cassandra.db.marshal.AbstractType>,TypeDeserializer> TYPE_MAP

instance

private static CassandraTypeDeserializer instance

Constructor Details

CassandraTypeDeserializer

private CassandraTypeDeserializer()

Method Details

getInstance

public static CassandraTypeDeserializer getInstance()

init

public static void init(DebeziumTypeDeserializer typeDeserializer,
 CassandraTypeDeserializer.DecimalMode decimalMode,
 CassandraTypeDeserializer.VarIntMode varIntMode)

initInternal

private void initInternal(DebeziumTypeDeserializer deserializer,
 CassandraTypeDeserializer.DecimalMode decimalMode,
 CassandraTypeDeserializer.VarIntMode varIntMode)

deserialize

public static Object deserialize(com.datastax.oss.driver.api.core.type.DataType dataType,
 ByteBuffer bb)

Deserialize from snapshot/datastax-sourced cassandra data.

Parameters:

dataType - the DataType of the object

bb - the bytes of the column to deserialize

Returns:

the deserialized object.

deserialize

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

Deserialize from cdc-log-sourced cassandra data.

Parameters:

abstractType - the AbstractType of the non-collection column

bb - the bytes of the non-collection column to deserialize

Returns:

the deserialized object.

deserialize

public static Object deserialize(org.apache.cassandra.db.marshal.CollectionType<?> collectionType,
 org.apache.cassandra.db.rows.ComplexColumnData ccd)

Deserialize from cdc-log-sourced cassandra data.

Parameters:

collectionType - the CollectionType of the collection column

ccd - the ComplexColumnData of the collection column to deserialize

Returns:

the deserialized object.

getSchemaBuilder

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

Construct a kafka connect SchemaBuilder object from a Cassandra data type

Parameters:

abstractType - implementation of Cassandra's AbstractType

Returns:

the kafka connect SchemaBuilder object

getTypeDeserializer

public static TypeDeserializer getTypeDeserializer(org.apache.cassandra.db.marshal.AbstractType<?> abstractType)

Get TypeDeserializer of AbstractType

Parameters:

abstractType - the AbstractType of a column in cassandra

Returns:

the TypeDeserializer of the AbstractType.

setDecimalMode

public static void setDecimalMode(CassandraTypeDeserializer.DecimalMode decimalMode)

Set deserialization mode for decimal columns

Parameters:

decimalMode - the CassandraTypeDeserializer.DecimalMode of decimal values

setVarIntMode

public static void setVarIntMode(CassandraTypeDeserializer.VarIntMode varIntMode)

Set deserialization mode for varint columns

Parameters:

varIntMode - the CassandraTypeDeserializer.VarIntMode of varint values