org.apache.flink.cdc.runtime.operators.schema.common

类 SchemaManager

java.lang.Object

org.apache.flink.cdc.runtime.operators.schema.common.SchemaManager

@Internal
public class SchemaManager
extends Object

Schema manager handles schema changes for tables, and manages historical schema versions of tables.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	SchemaManager.Serializer Serializer for SchemaManager.

字段概要

字段

限定符和类型	字段和说明
static SchemaManager.Serializer	SERIALIZER

构造器概要

构造器

构造器和说明
SchemaManager()
SchemaManager(Map<org.apache.flink.cdc.common.event.TableId,SortedMap<Integer,org.apache.flink.cdc.common.schema.Schema>> originalSchemas, Map<org.apache.flink.cdc.common.event.TableId,SortedMap<Integer,org.apache.flink.cdc.common.schema.Schema>> evolvedSchemas, org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior behavior)

方法概要

限定符和类型	方法和说明
void	applyEvolvedSchemaChange(org.apache.flink.cdc.common.event.SchemaChangeEvent schemaChangeEvent) Apply schema change to a table.
void	applyOriginalSchemaChange(org.apache.flink.cdc.common.event.SchemaChangeEvent schemaChangeEvent) Apply schema change to a table.
boolean	equals(Object o)
boolean	evolvedSchemaExists(org.apache.flink.cdc.common.event.TableId tableId)
Set<org.apache.flink.cdc.common.event.TableId>	getAllOriginalTables()
org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior	getBehavior()
org.apache.flink.cdc.common.schema.Schema	getEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId, int version) Get schema at the specified version of a table.
Optional<org.apache.flink.cdc.common.schema.Schema>	getLatestEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId) Get the latest evolved schema of the specified table.
Optional<org.apache.flink.cdc.common.schema.Schema>	getLatestOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId) Get the latest original schema of the specified table.
org.apache.flink.cdc.common.schema.Schema	getOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId, int version) Get schema at the specified version of a table.
int	hashCode()
boolean	originalSchemaExists(org.apache.flink.cdc.common.event.TableId tableId)
void	registerNewEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId, org.apache.flink.cdc.common.schema.Schema newSchema)
void	registerNewOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId, org.apache.flink.cdc.common.schema.Schema newSchema)
boolean	schemaExists(Map<org.apache.flink.cdc.common.event.TableId,SortedMap<Integer,org.apache.flink.cdc.common.schema.Schema>> schemaMap, org.apache.flink.cdc.common.event.TableId tableId)
String	toString()

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料

SERIALIZER

public static final SchemaManager.Serializer SERIALIZER

构造器详细资料

SchemaManager

public SchemaManager()

SchemaManager

public SchemaManager(Map<org.apache.flink.cdc.common.event.TableId,SortedMap<Integer,org.apache.flink.cdc.common.schema.Schema>> originalSchemas,
                     Map<org.apache.flink.cdc.common.event.TableId,SortedMap<Integer,org.apache.flink.cdc.common.schema.Schema>> evolvedSchemas,
                     org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior behavior)

方法详细资料

getBehavior

public org.apache.flink.cdc.common.pipeline.SchemaChangeBehavior getBehavior()

schemaExists

public final boolean schemaExists(Map<org.apache.flink.cdc.common.event.TableId,SortedMap<Integer,org.apache.flink.cdc.common.schema.Schema>> schemaMap,
                                  org.apache.flink.cdc.common.event.TableId tableId)

originalSchemaExists

public final boolean originalSchemaExists(org.apache.flink.cdc.common.event.TableId tableId)

evolvedSchemaExists

public final boolean evolvedSchemaExists(org.apache.flink.cdc.common.event.TableId tableId)

getAllOriginalTables

public final Set<org.apache.flink.cdc.common.event.TableId> getAllOriginalTables()

getLatestEvolvedSchema

public Optional<org.apache.flink.cdc.common.schema.Schema> getLatestEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId)

Get the latest evolved schema of the specified table.

getLatestOriginalSchema

public Optional<org.apache.flink.cdc.common.schema.Schema> getLatestOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId)

Get the latest original schema of the specified table.

getEvolvedSchema

public org.apache.flink.cdc.common.schema.Schema getEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId,
                                                                  int version)

Get schema at the specified version of a table.

getOriginalSchema

public org.apache.flink.cdc.common.schema.Schema getOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId,
                                                                   int version)

Get schema at the specified version of a table.

applyOriginalSchemaChange

public void applyOriginalSchemaChange(org.apache.flink.cdc.common.event.SchemaChangeEvent schemaChangeEvent)

Apply schema change to a table.

applyEvolvedSchemaChange

public void applyEvolvedSchemaChange(org.apache.flink.cdc.common.event.SchemaChangeEvent schemaChangeEvent)

Apply schema change to a table.

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

registerNewOriginalSchema

@VisibleForTesting
public void registerNewOriginalSchema(org.apache.flink.cdc.common.event.TableId tableId,
                                                         org.apache.flink.cdc.common.schema.Schema newSchema)

registerNewEvolvedSchema

@VisibleForTesting
public void registerNewEvolvedSchema(org.apache.flink.cdc.common.event.TableId tableId,
                                                        org.apache.flink.cdc.common.schema.Schema newSchema)

toString

public String toString()

覆盖:

toString 在类中 Object