程序包 org.apache.pulsar.common.schema

类 KeyValue<K,V>

java.lang.Object

org.apache.pulsar.common.schema.KeyValue<K,V>

@Public
@Stable
public class KeyValue<K,V>
extends java.lang.Object

A simple KeyValue class.

嵌套类概要

嵌套类

修饰符和类型	类	说明
static interface	KeyValue.KeyValueDecoder<K,V>	Decoder to decode key/value bytes.

构造器概要

构造器

构造器	说明
KeyValue(K key, V value)

方法概要

修饰符和类型	方法	说明
static <K,V> KeyValue<K,V>	decode(byte[] data, KeyValue.KeyValueDecoder<K,V> decoder)	Decode the value into a key/value pair.
static <K,V> byte[]	encode(K key, Schema<K> keyWriter, V value, Schema<V> valueWriter)	Encode a key and value pair into a bytes array.
boolean	equals(java.lang.Object obj)
K	getKey()
V	getValue()
int	hashCode()
java.lang.String	toString()

从类继承的方法 java.lang.Object

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

构造器详细资料

KeyValue

public KeyValue(K key,
                V value)

方法详细资料

getKey

public K getKey()

getValue

public V getValue()

hashCode

public int hashCode()

覆盖:

hashCode 在类中 java.lang.Object

equals

public boolean equals(java.lang.Object obj)

覆盖:

equals 在类中 java.lang.Object

toString

public java.lang.String toString()

覆盖:

toString 在类中 java.lang.Object

encode

public static <K,V> byte[] encode(K key,
                                        Schema<K> keyWriter,
                                        V value,
                                        Schema<V> valueWriter)

Encode a key and value pair into a bytes array.

参数:

key - key object to encode

keyWriter - a writer to encode key object

value - value object to encode

valueWriter - a writer to encode value object

返回:

the encoded bytes array

decode

public static <K,V> KeyValue<K,V> decode(byte[] data,
                                                     KeyValue.KeyValueDecoder<K,V> decoder)

Decode the value into a key/value pair.

参数:

data - the encoded bytes

decoder - the decoder to decode encoded key/value bytes

返回:

the decoded key/value pair