类的使用
org.apache.pulsar.common.schema.KeyValue

使用KeyValue的程序包

程序包	说明
org.apache.pulsar.client.api	Pulsar Client API.
org.apache.pulsar.client.internal	Helpers which provide useful functionality for the implementation of Pulsar Client API.
org.apache.pulsar.common.schema	This package contains data structures for schema definitions used in the Pulsar Client API.

org.apache.pulsar.client.api中KeyValue的使用

返回变量类型为KeyValue的类型的org.apache.pulsar.client.api中的方法

修饰符和类型	方法	说明
static <K, V> Schema<KeyValue<K,V>>	Schema.KeyValue(Class<K> key, Class<V> value)	Key Value Schema whose underneath key and value schemas are JSONSchema.
static <K, V> Schema<KeyValue<K,V>>	Schema.KeyValue(Class<K> key, Class<V> value, SchemaType type)	Key Value Schema using passed in schema type, support JSON and AVRO currently.
static <K, V> Schema<KeyValue<K,V>>	Schema.KeyValue(Schema<K> key, Schema<V> value)	Key Value Schema using passed in key and value schemas with KeyValueEncodingType.INLINE encoding type.
static <K, V> Schema<KeyValue<K,V>>	Schema.KeyValue(Schema<K> key, Schema<V> value, KeyValueEncodingType keyValueEncodingType)	Key Value Schema using passed in key, value and encoding type schemas.
static Schema<KeyValue<byte[],byte[]>>	Schema.KV_BYTES()	Schema that can be used to encode/decode KeyValue.

org.apache.pulsar.client.internal中KeyValue的使用

返回KeyValue的org.apache.pulsar.client.internal中的方法

修饰符和类型	方法	说明
KeyValue<SchemaInfo,SchemaInfo>	PulsarClientImplementationBinding.decodeKeyValueSchemaInfo(SchemaInfo schemaInfo)	Decode the key/value schema info to get key schema info and value schema info.

返回变量类型为KeyValue的类型的org.apache.pulsar.client.internal中的方法

修饰符和类型	方法	说明
Schema<KeyValue<byte[],byte[]>>	PulsarClientImplementationBinding.newKeyValueBytesSchema()
<K, V> Schema<KeyValue<K,V>>	PulsarClientImplementationBinding.newKeyValueSchema(Class<K> key, Class<V> value, SchemaType type)
<K, V> Schema<KeyValue<K,V>>	PulsarClientImplementationBinding.newKeyValueSchema(Schema<K> keySchema, Schema<V> valueSchema, KeyValueEncodingType keyValueEncodingType)

参数类型为KeyValue的org.apache.pulsar.client.internal中的方法

修饰符和类型	方法	说明
String	PulsarClientImplementationBinding.convertKeyValueSchemaInfoDataToString(KeyValue<SchemaInfo,SchemaInfo> kvSchemaInfo)	Convert the key/value schema data.
String	PulsarClientImplementationBinding.jsonifyKeyValueSchemaInfo(KeyValue<SchemaInfo,SchemaInfo> kvSchemaInfo)	Jsonify the key/value schema info.

org.apache.pulsar.common.schema中KeyValue的使用

返回KeyValue的org.apache.pulsar.common.schema中的方法

修饰符和类型	方法	说明
static <K, V> KeyValue<K,V>	KeyValue.decode(byte[] data, KeyValue.KeyValueDecoder<K,V> decoder)	Decode the value into a key/value pair.
KeyValue<K,V>	KeyValue.KeyValueDecoder.decode(byte[] keyData, byte[] valueData)	Decode key and value bytes into a KeyValue pair.