Package io.debezium.connector.spanner.db.metadata

Class SchemaRegistry

java.lang.Object

io.debezium.connector.spanner.db.metadata.SchemaRegistry

public class SchemaRegistry
extends Object

Stores schema of the Spanner change stream and database tables

Field Summary

Fields

Modifier and Type	Field	Description
private ChangeStreamSchema	changeStream
private static final String	DATABASE_SCHEMA_NOT_CACHED
private static final org.slf4j.Logger	LOGGER
private final SchemaDao	schemaDao
private final Runnable	schemaResetTrigger
private SpannerSchema	spannerSchema
private final String	streamName
private com.google.cloud.Timestamp	timestamp

Constructor Summary

Constructors

Constructor	Description
SchemaRegistry(String streamName, SchemaDao schemaDao, Runnable schemaResetTrigger)

Method Summary

Modifier and Type	Method	Description
void	checkSchema(TableId tableId, com.google.cloud.Timestamp timestamp, List<Column> rowType)
(package private) void	forceUpdateSchema(TableId tableId, com.google.cloud.Timestamp updatedTimestamp, List<Column> rowTypes)
Set<TableId>	getAllTables()
TableSchema	getWatchedTable(TableId tableId)
void	init()
boolean	updateSchema(TableId tableId, com.google.cloud.Timestamp updatedTimestamp, List<Column> rowType)
void	updateSchemaFromStaleTimestamp(TableId tableId, com.google.cloud.Timestamp timestamp, List<Column> rowType)
private boolean	validate(TableId tableId, List<Column> rowType)

Methods inherited from class java.lang.Object

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

Field Details

DATABASE_SCHEMA_NOT_CACHED

private static final String DATABASE_SCHEMA_NOT_CACHED

See Also:

• Constant Field Values

LOGGER

private static final org.slf4j.Logger LOGGER

schemaDao

private final SchemaDao schemaDao

spannerSchema

private volatile SpannerSchema spannerSchema

changeStream

private volatile ChangeStreamSchema changeStream

streamName

private final String streamName

timestamp

private volatile com.google.cloud.Timestamp timestamp

schemaResetTrigger

private final Runnable schemaResetTrigger

Constructor Details

SchemaRegistry

public SchemaRegistry(String streamName,
 SchemaDao schemaDao,
 Runnable schemaResetTrigger)

Method Details

init

public void init()

getWatchedTable

public TableSchema getWatchedTable(TableId tableId)

checkSchema

public void checkSchema(TableId tableId,
 com.google.cloud.Timestamp timestamp,
 List<Column> rowType)

validate

private boolean validate(TableId tableId,
 List<Column> rowType)

updateSchema

public boolean updateSchema(TableId tableId,
 com.google.cloud.Timestamp updatedTimestamp,
 List<Column> rowType)

updateSchemaFromStaleTimestamp

public void updateSchemaFromStaleTimestamp(TableId tableId,
 com.google.cloud.Timestamp timestamp,
 List<Column> rowType)

forceUpdateSchema

@VisibleForTesting
void forceUpdateSchema(@Nullable
 TableId tableId,
 com.google.cloud.Timestamp updatedTimestamp,
 @Nullable
 List<Column> rowTypes)

getAllTables

public Set<TableId> getAllTables()