接口的使用
org.apache.flink.streaming.connectors.kafka.KafkaDeserializationSchema

使用KafkaDeserializationSchema的程序包

程序包	说明
org.apache.flink.connector.kafka.source.reader.deserializer
org.apache.flink.streaming.connectors.kafka
org.apache.flink.streaming.connectors.kafka.internals
org.apache.flink.streaming.util.serialization

org.apache.flink.connector.kafka.source.reader.deserializer中KafkaDeserializationSchema的使用

参数类型为KafkaDeserializationSchema的org.apache.flink.connector.kafka.source.reader.deserializer中的方法

限定符和类型	方法和说明
static <V> KafkaRecordDeserializationSchema<V>	KafkaRecordDeserializationSchema.of(KafkaDeserializationSchema<V> kafkaDeserializationSchema) Wraps a legacy KafkaDeserializationSchema as the deserializer of the ConsumerRecords.

org.apache.flink.streaming.connectors.kafka中KafkaDeserializationSchema的使用

声明为KafkaDeserializationSchema的org.apache.flink.streaming.connectors.kafka中的字段

限定符和类型	字段和说明
protected KafkaDeserializationSchema<T>	FlinkKafkaConsumerBase.deserializer The schema to convert between Kafka's byte messages, and Flink's objects.

参数类型为KafkaDeserializationSchema的org.apache.flink.streaming.connectors.kafka中的构造器

构造器和说明
FlinkKafkaConsumer(List<String> topics, KafkaDeserializationSchema<T> deserializer, Properties props) 已过时。 Creates a new Kafka streaming source consumer.
FlinkKafkaConsumer(Pattern subscriptionPattern, KafkaDeserializationSchema<T> deserializer, Properties props) 已过时。 Creates a new Kafka streaming source consumer.
FlinkKafkaConsumer(String topic, KafkaDeserializationSchema<T> deserializer, Properties props) 已过时。 Creates a new Kafka streaming source consumer.
FlinkKafkaConsumerBase(List<String> topics, Pattern topicPattern, KafkaDeserializationSchema<T> deserializer, long discoveryIntervalMillis, boolean useMetrics) Base constructor.

org.apache.flink.streaming.connectors.kafka.internals中KafkaDeserializationSchema的使用

实现KafkaDeserializationSchema的org.apache.flink.streaming.connectors.kafka.internals中的类

限定符和类型	类和说明
class	KafkaDeserializationSchemaWrapper<T> A simple wrapper for using the DeserializationSchema with the KafkaDeserializationSchema interface.

参数类型为KafkaDeserializationSchema的org.apache.flink.streaming.connectors.kafka.internals中的构造器

构造器和说明
KafkaFetcher(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T> sourceContext, Map<KafkaTopicPartition,Long> assignedPartitionsWithInitialOffsets, org.apache.flink.util.SerializedValue<org.apache.flink.api.common.eventtime.WatermarkStrategy<T>> watermarkStrategy, org.apache.flink.streaming.runtime.tasks.ProcessingTimeService processingTimeProvider, long autoWatermarkInterval, ClassLoader userCodeClassLoader, String taskNameWithSubtasks, KafkaDeserializationSchema<T> deserializer, Properties kafkaProperties, long pollTimeout, org.apache.flink.metrics.MetricGroup subtaskMetricGroup, org.apache.flink.metrics.MetricGroup consumerMetricGroup, boolean useMetrics)
KafkaShuffleFetcher(org.apache.flink.streaming.api.functions.source.SourceFunction.SourceContext<T> sourceContext, Map<KafkaTopicPartition,Long> assignedPartitionsWithInitialOffsets, org.apache.flink.util.SerializedValue<org.apache.flink.api.common.eventtime.WatermarkStrategy<T>> watermarkStrategy, org.apache.flink.streaming.runtime.tasks.ProcessingTimeService processingTimeProvider, long autoWatermarkInterval, ClassLoader userCodeClassLoader, String taskNameWithSubtasks, KafkaDeserializationSchema<T> deserializer, Properties kafkaProperties, long pollTimeout, org.apache.flink.metrics.MetricGroup subtaskMetricGroup, org.apache.flink.metrics.MetricGroup consumerMetricGroup, boolean useMetrics, org.apache.flink.api.common.typeutils.TypeSerializer<T> typeSerializer, int producerParallelism)

org.apache.flink.streaming.util.serialization中KafkaDeserializationSchema的使用

org.apache.flink.streaming.util.serialization中KafkaDeserializationSchema的子接口

限定符和类型	接口和说明
interface	KeyedDeserializationSchema<T> 已过时。 Use KafkaDeserializationSchema.

实现KafkaDeserializationSchema的org.apache.flink.streaming.util.serialization中的类

限定符和类型	类和说明
class	JSONKeyValueDeserializationSchema DeserializationSchema that deserializes a JSON String into an ObjectNode.
class	TypeInformationKeyValueSerializationSchema<K,V> A serialization and deserialization schema for Key Value Pairs that uses Flink's serialization stack to transform typed from and to byte arrays.