Package io.debezium.storage.file.history

Class FileSchemaHistory

java.lang.Object

io.debezium.relational.history.AbstractSchemaHistory

io.debezium.storage.file.history.FileSchemaHistory

All Implemented Interfaces:

SchemaHistory

@ThreadSafe
public final class FileSchemaHistory
extends AbstractSchemaHistory

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

Author:

Randall Hauch

Field Summary

Fields

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

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

config, INTERNAL_CONNECTOR_CLASS, INTERNAL_CONNECTOR_ID, INTERNAL_PREFER_DDL, logger

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

CONFIGURATION_FIELD_PREFIX_STRING, DDL_FILTER, NAME, SKIP_UNPARSEABLE_DDL_STATEMENTS, STORE_ONLY_CAPTURED_TABLES_DDL

Constructor Summary

Constructors

Constructor	Description
FileSchemaHistory()

Method Summary

Modifier and Type	Method	Description
void	configure(Configuration config, HistoryRecordComparator comparator, SchemaHistoryListener listener, boolean useCatalogBeforeSchema)
boolean	exists()
protected void	recoverRecords(Consumer<HistoryRecord> records)
void	start()
void	stop()
boolean	storageExists()
protected void	storeRecord(HistoryRecord record)
String	toString()

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

initializeStorage, record, record, recover, skipUnparseableDdlStatements, storeOnlyCapturedTables

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.debezium.relational.history.SchemaHistory

recover, recover

Field Details

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 Details

FileSchemaHistory

public FileSchemaHistory()

Method Details

configure

public void configure(Configuration config,
 HistoryRecordComparator comparator,
 SchemaHistoryListener listener,
 boolean useCatalogBeforeSchema)

Specified by:

configure in interface SchemaHistory

Overrides:

configure in class AbstractSchemaHistory

start

public void start()

Specified by:

start in interface SchemaHistory

Overrides:

start in class AbstractSchemaHistory

storeRecord

protected void storeRecord(HistoryRecord record)
                    throws SchemaHistoryException

Specified by:

storeRecord in class AbstractSchemaHistory

Throws:

SchemaHistoryException

stop

public void stop()

Specified by:

stop in interface SchemaHistory

Overrides:

stop in class AbstractSchemaHistory

recoverRecords

protected void recoverRecords(Consumer<HistoryRecord> records)

Specified by:

recoverRecords in class AbstractSchemaHistory

storageExists

public boolean storageExists()

exists

public boolean exists()

toString

public String toString()

Overrides:

toString in class Object