org.apache.flink.table.planner.plan.abilities.source

类 ReadingMetadataSpec

java.lang.Object

org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

org.apache.flink.table.planner.plan.abilities.source.ReadingMetadataSpec

所有已实现的接口:

SourceAbilitySpec

public final class ReadingMetadataSpec
extends SourceAbilitySpecBase

A sub-class of SourceAbilitySpec that can not only serialize/deserialize the metadata columns to/from JSON, but also can read the metadata columns from SupportsReadingMetadata.

字段概要

字段

限定符和类型	字段和说明
static String	FIELD_NAME_METADATA_KEYS

从类继承的字段 org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

FIELD_NAME_PRODUCED_TYPE

构造器概要

构造器

构造器和说明
ReadingMetadataSpec(List<String> metadataKeys, org.apache.flink.table.types.logical.RowType producedType)

方法概要

限定符和类型	方法和说明
void	apply(org.apache.flink.table.connector.source.DynamicTableSource tableSource, SourceAbilityContext context) Apply the ability to the given DynamicTableSource.
boolean	equals(Object o)
String	getDigests(SourceAbilityContext context) Additional digests to generate when this spec is applied to the source.
List<String>	getMetadataKeys()
int	hashCode()

从类继承的方法 org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

getProducedType

从类继承的方法 java.lang.Object

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

字段详细资料

FIELD_NAME_METADATA_KEYS

public static final String FIELD_NAME_METADATA_KEYS

另请参阅:

常量字段值

构造器详细资料

ReadingMetadataSpec

public ReadingMetadataSpec(List<String> metadataKeys,
                           org.apache.flink.table.types.logical.RowType producedType)

方法详细资料

getMetadataKeys

public List<String> getMetadataKeys()

apply

public void apply(org.apache.flink.table.connector.source.DynamicTableSource tableSource,
                  SourceAbilityContext context)

从接口复制的说明: SourceAbilitySpec

Apply the ability to the given DynamicTableSource.

getDigests

public String getDigests(SourceAbilityContext context)

从接口复制的说明: SourceAbilitySpec

Additional digests to generate when this spec is applied to the source.

参数:

context - The context about the source.

equals

public boolean equals(Object o)

覆盖:

equals 在类中 SourceAbilitySpecBase

hashCode

public int hashCode()

覆盖:

hashCode 在类中 SourceAbilitySpecBase