io.debezium.relational.history

Class FileDatabaseHistory

java.lang.Object

io.debezium.relational.history.AbstractDatabaseHistory

io.debezium.relational.history.FileDatabaseHistory

All Implemented Interfaces:

DatabaseHistory

@ThreadSafe
public final class FileDatabaseHistory
extends AbstractDatabaseHistory

A DatabaseHistory implementation that stores the schema history in a local file.

Author:

Randall Hauch

Field Summary

Fields

Modifier and Type	Field and Description
static Collection<Field>	ALL_FIELDS
static Field	FILE_PATH
private FunctionalReadWriteLock	lock
private Path	path
private DocumentReader	reader
private AtomicBoolean	running
private static Charset	UTF8
private DocumentWriter	writer

Fields inherited from class io.debezium.relational.history.AbstractDatabaseHistory

config, logger

Fields inherited from interface io.debezium.relational.history.DatabaseHistory

CONFIGURATION_FIELD_PREFIX_STRING, NAME, SKIP_UNPARSEABLE_DDL_STATEMENTS

Constructor Summary

Constructors

Constructor and Description
FileDatabaseHistory()

Method Summary

Modifier and Type	Method and Description
void	configure(Configuration config, HistoryRecordComparator comparator) Configure this instance.
protected void	recoverRecords(Tables schema, DdlParser ddlParser, Consumer<HistoryRecord> records)
void	start() Start the history.
void	stop() Stop recording history and release any resources acquired since DatabaseHistory.configure(Configuration, HistoryRecordComparator).
protected void	storeRecord(HistoryRecord record)
String	toString()

Methods inherited from class io.debezium.relational.history.AbstractDatabaseHistory

record, recover

Methods inherited from class java.lang.Object

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

Field Detail

FILE_PATH

public static final Field FILE_PATH

ALL_FIELDS

public static Collection<Field> ALL_FIELDS

UTF8

private static final Charset UTF8

lock

private final FunctionalReadWriteLock lock

writer

private final DocumentWriter writer

reader

private final DocumentReader reader

running

private final AtomicBoolean running

path

private Path path

Constructor Detail

FileDatabaseHistory

public FileDatabaseHistory()

Method Detail

configure

public void configure(Configuration config,
                      HistoryRecordComparator comparator)

Description copied from interface: DatabaseHistory

Configure this instance.

Specified by:

configure in interface DatabaseHistory

Overrides:

configure in class AbstractDatabaseHistory

Parameters:

config - the configuration for this history store

comparator - the function that should be used to compare history records during recovery; may be null if the default comparator is to be used

start

public void start()

Description copied from interface: DatabaseHistory

Start the history.

Specified by:

start in interface DatabaseHistory

Overrides:

start in class AbstractDatabaseHistory

storeRecord

protected void storeRecord(HistoryRecord record)
                    throws DatabaseHistoryException

Specified by:

storeRecord in class AbstractDatabaseHistory

Throws:

DatabaseHistoryException

stop

public void stop()

Description copied from interface: DatabaseHistory

Stop recording history and release any resources acquired since DatabaseHistory.configure(Configuration, HistoryRecordComparator).

Specified by:

stop in interface DatabaseHistory

Overrides:

stop in class AbstractDatabaseHistory

recoverRecords

protected void recoverRecords(Tables schema,
                              DdlParser ddlParser,
                              Consumer<HistoryRecord> records)

Specified by:

recoverRecords in class AbstractDatabaseHistory

toString

public String toString()

Overrides:

toString in class Object