Package io.debezium.connector.jdbc

Class JdbcChangeEventSink

java.lang.Object

io.debezium.connector.jdbc.JdbcChangeEventSink

All Implemented Interfaces:

ChangeEventSink, AutoCloseable

public class JdbcChangeEventSink
extends Object
implements ChangeEventSink

A ChangeEventSink for a JDBC relational database.

Author:

Chris Cranford

Field Summary

Fields

Modifier and Type	Field	Description
private final JdbcSinkConnectorConfig	config
private final DatabaseDialect	dialect
private static final org.slf4j.Logger	LOGGER
private final org.hibernate.StatelessSession	session
private final org.hibernate.SessionFactory	sessionFactory
private final TableNamingStrategy	tableNamingStrategy

Constructor Summary

Constructors

Constructor	Description
JdbcChangeEventSink(JdbcSinkConnectorConfig config)

Method Summary

Modifier and Type	Method	Description
private TableDescriptor	alterTableIfNeeded(TableId tableId, SinkRecordDescriptor record)
private int	bindFieldValuesToQuery(SinkRecordDescriptor record, org.hibernate.query.NativeQuery<?> query, int index, org.apache.kafka.connect.data.Struct source, List<String> fields)
private int	bindKeyValuesToQuery(SinkRecordDescriptor record, org.hibernate.query.NativeQuery<?> query, int index)
private int	bindNonKeyValuesToQuery(SinkRecordDescriptor record, org.hibernate.query.NativeQuery<?> query, int index)
private TableDescriptor	checkAndApplyTableChangesIfNeeded(TableId tableId, SinkRecordDescriptor descriptor)
void	close()
private TableDescriptor	createTable(TableId tableId, SinkRecordDescriptor record)
void	execute(org.apache.kafka.connect.sink.SinkRecord record)	Executes this sink.
private boolean	hasTable(TableId tableId)
private TableDescriptor	readTable(TableId tableId)
private void	write(TableDescriptor table, SinkRecordDescriptor record)
private void	writeDelete(String sql, SinkRecordDescriptor record)
private void	writeInsert(String sql, SinkRecordDescriptor record)
private void	writeUpdate(String sql, SinkRecordDescriptor record)
private void	writeUpsert(String sql, SinkRecordDescriptor record)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

config

private final JdbcSinkConnectorConfig config

sessionFactory

private final org.hibernate.SessionFactory sessionFactory

dialect

private final DatabaseDialect dialect

session

private final org.hibernate.StatelessSession session

tableNamingStrategy

private final TableNamingStrategy tableNamingStrategy

Constructor Details

JdbcChangeEventSink

public JdbcChangeEventSink(JdbcSinkConnectorConfig config)

Method Details

execute

public void execute(org.apache.kafka.connect.sink.SinkRecord record)

Description copied from interface: ChangeEventSink

Executes this sink.

Specified by:

execute in interface ChangeEventSink

Parameters:

record - the sink record, never null

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

checkAndApplyTableChangesIfNeeded

private TableDescriptor checkAndApplyTableChangesIfNeeded(TableId tableId,
 SinkRecordDescriptor descriptor)
                                                   throws SQLException

Throws:

SQLException

hasTable

private boolean hasTable(TableId tableId)

readTable

private TableDescriptor readTable(TableId tableId)

createTable

private TableDescriptor createTable(TableId tableId,
 SinkRecordDescriptor record)
                             throws SQLException

Throws:

SQLException

alterTableIfNeeded

private TableDescriptor alterTableIfNeeded(TableId tableId,
 SinkRecordDescriptor record)
                                    throws SQLException

Throws:

SQLException

write

private void write(TableDescriptor table,
 SinkRecordDescriptor record)
            throws SQLException

Throws:

SQLException

writeInsert

private void writeInsert(String sql,
 SinkRecordDescriptor record)
                  throws SQLException

Throws:

SQLException

writeUpsert

private void writeUpsert(String sql,
 SinkRecordDescriptor record)
                  throws SQLException

Throws:

SQLException

writeUpdate

private void writeUpdate(String sql,
 SinkRecordDescriptor record)
                  throws SQLException

Throws:

SQLException

writeDelete

private void writeDelete(String sql,
 SinkRecordDescriptor record)
                  throws SQLException

Throws:

SQLException

bindKeyValuesToQuery

private int bindKeyValuesToQuery(SinkRecordDescriptor record,
 org.hibernate.query.NativeQuery<?> query,
 int index)

bindNonKeyValuesToQuery

private int bindNonKeyValuesToQuery(SinkRecordDescriptor record,
 org.hibernate.query.NativeQuery<?> query,
 int index)

bindFieldValuesToQuery

private int bindFieldValuesToQuery(SinkRecordDescriptor record,
 org.hibernate.query.NativeQuery<?> query,
 int index,
 org.apache.kafka.connect.data.Struct source,
 List<String> fields)