Package io.debezium.connector.jdbc

Class ReducedRecordBuffer

java.lang.Object

io.debezium.connector.jdbc.ReducedRecordBuffer

All Implemented Interfaces:

Buffer

public class ReducedRecordBuffer
extends Object
implements Buffer

A reduced implementation buffer of SinkRecordDescriptor. It reduces events in buffer before submit to external database.

Author:

Gaurav Miglani

Field Summary

Fields

Modifier and Type	Field	Description
private final JdbcSinkConnectorConfig	connectorConfig
private org.apache.kafka.connect.data.Schema	keySchema
private final Map<org.apache.kafka.connect.data.Struct,SinkRecordDescriptor>	records
private org.apache.kafka.connect.data.Schema	valueSchema

Constructor Summary

Constructors

Constructor	Description
ReducedRecordBuffer(JdbcSinkConnectorConfig connectorConfig)

Method Summary

Modifier and Type	Method	Description
List<SinkRecordDescriptor>	add(SinkRecordDescriptor recordDescriptor)	to add a SinkRecordDescriptor to the internal buffer and call the Buffer.flush() when buffer size >= JdbcSinkConnectorConfig.getBatchSize()
List<SinkRecordDescriptor>	flush()	to clear and flush the internal buffer
boolean	isEmpty()	to check whether buffer is empty or not.

Methods inherited from class java.lang.Object

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

Field Details

connectorConfig

private final JdbcSinkConnectorConfig connectorConfig

keySchema

private org.apache.kafka.connect.data.Schema keySchema

valueSchema

private org.apache.kafka.connect.data.Schema valueSchema

records

private final Map<org.apache.kafka.connect.data.Struct,SinkRecordDescriptor> records

Constructor Details

ReducedRecordBuffer

public ReducedRecordBuffer(JdbcSinkConnectorConfig connectorConfig)

Method Details

add

public List<SinkRecordDescriptor> add(SinkRecordDescriptor recordDescriptor)

Description copied from interface: Buffer

to add a SinkRecordDescriptor to the internal buffer and call the Buffer.flush() when buffer size >= JdbcSinkConnectorConfig.getBatchSize()

Specified by:

add in interface Buffer

Parameters:

recordDescriptor - the Sink record descriptor

Returns:

the buffer records

flush

public List<SinkRecordDescriptor> flush()

Description copied from interface: Buffer

to clear and flush the internal buffer

Specified by:

flush in interface Buffer

Returns:

SinkRecordDescriptor the flushed buffer records.

isEmpty

public boolean isEmpty()

Description copied from interface: Buffer

to check whether buffer is empty or not.

Specified by:

isEmpty in interface Buffer

Returns:

true if empty else false.