org.apache.flink.streaming.connectors.kafka

类 Kafka010TableSource

java.lang.Object

org.apache.flink.streaming.connectors.kafka.KafkaTableSourceBase

org.apache.flink.streaming.connectors.kafka.Kafka010TableSource

所有已实现的接口:

org.apache.flink.table.sources.DefinedFieldMapping, org.apache.flink.table.sources.DefinedProctimeAttribute, org.apache.flink.table.sources.DefinedRowtimeAttributes, org.apache.flink.table.sources.StreamTableSource<org.apache.flink.types.Row>, org.apache.flink.table.sources.TableSource<org.apache.flink.types.Row>

@Internal
public class Kafka010TableSource
extends org.apache.flink.streaming.connectors.kafka.KafkaTableSourceBase

Kafka StreamTableSource for Kafka 0.10.

构造器概要

构造器

构造器和说明
Kafka010TableSource(org.apache.flink.table.api.TableSchema schema, Optional<String> proctimeAttribute, List<org.apache.flink.table.sources.RowtimeAttributeDescriptor> rowtimeAttributeDescriptors, Optional<Map<String,String>> fieldMapping, String topic, Properties properties, org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.types.Row> deserializationSchema, org.apache.flink.streaming.connectors.kafka.config.StartupMode startupMode, Map<org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition,Long> specificStartupOffsets, long startupTimestampMillis) Creates a Kafka 0.10 StreamTableSource.
Kafka010TableSource(org.apache.flink.table.api.TableSchema schema, String topic, Properties properties, org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.types.Row> deserializationSchema) Creates a Kafka 0.10 StreamTableSource.

方法概要

限定符和类型	方法和说明
protected org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase<org.apache.flink.types.Row>	createKafkaConsumer(String topic, Properties properties, org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.types.Row> deserializationSchema)

从类继承的方法 org.apache.flink.streaming.connectors.kafka.KafkaTableSourceBase

equals, explainSource, getDataStream, getDeserializationSchema, getFieldMapping, getKafkaConsumer, getProctimeAttribute, getProperties, getReturnType, getRowtimeAttributeDescriptors, getTableSchema, hashCode

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.table.sources.StreamTableSource

isBounded

从接口继承的方法 org.apache.flink.table.sources.TableSource

getProducedDataType

构造器详细资料

Kafka010TableSource

public Kafka010TableSource(org.apache.flink.table.api.TableSchema schema,
                           Optional<String> proctimeAttribute,
                           List<org.apache.flink.table.sources.RowtimeAttributeDescriptor> rowtimeAttributeDescriptors,
                           Optional<Map<String,String>> fieldMapping,
                           String topic,
                           Properties properties,
                           org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.types.Row> deserializationSchema,
                           org.apache.flink.streaming.connectors.kafka.config.StartupMode startupMode,
                           Map<org.apache.flink.streaming.connectors.kafka.internals.KafkaTopicPartition,Long> specificStartupOffsets,
                           long startupTimestampMillis)

Creates a Kafka 0.10 StreamTableSource.

参数:

schema - Schema of the produced table.

proctimeAttribute - Field name of the processing time attribute.

rowtimeAttributeDescriptors - Descriptor for a rowtime attribute

fieldMapping - Mapping for the fields of the table schema to fields of the physical returned type.

topic - Kafka topic to consume.

properties - Properties for the Kafka consumer.

deserializationSchema - Deserialization schema for decoding records from Kafka.

startupMode - Startup mode for the contained consumer.

specificStartupOffsets - Specific startup offsets; only relevant when startup mode is StartupMode.SPECIFIC_OFFSETS.

startupTimestampMillis - Startup timestamp for offsets; only relevant when startup mode is StartupMode.TIMESTAMP.

Kafka010TableSource

public Kafka010TableSource(org.apache.flink.table.api.TableSchema schema,
                           String topic,
                           Properties properties,
                           org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.types.Row> deserializationSchema)

Creates a Kafka 0.10 StreamTableSource.

参数:

schema - Schema of the produced table.

topic - Kafka topic to consume.

properties - Properties for the Kafka consumer.

deserializationSchema - Deserialization schema for decoding records from Kafka.

方法详细资料

createKafkaConsumer

protected org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase<org.apache.flink.types.Row> createKafkaConsumer(String topic,
                                                                                                                             Properties properties,
                                                                                                                             org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.types.Row> deserializationSchema)

指定者:

createKafkaConsumer 在类中 org.apache.flink.streaming.connectors.kafka.KafkaTableSourceBase