io.ray.streaming.api.partition.impl

类 KeyPartition<K,T>

java.lang.Object

io.ray.streaming.api.partition.impl.KeyPartition<K,T>

类型参数:

K - Type of the partition key.

T - Type of the input record.

所有已实现的接口:

Function, Partition<KeyRecord<K,T>>, Serializable

public class KeyPartition<K,T>
extends Object
implements Partition<KeyRecord<K,T>>

Partition the record by the key.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
KeyPartition()

方法概要

限定符和类型	方法和说明
int[]	partition(KeyRecord<K,T> keyRecord, int numPartition) Given a record and downstream partitions, determine which partition(s) should receive the record.

从类继承的方法 java.lang.Object

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

从接口继承的方法 io.ray.streaming.api.function.Function

loadCheckpoint, saveCheckpoint

构造器详细资料

KeyPartition

public KeyPartition()

方法详细资料

partition

public int[] partition(KeyRecord<K,T> keyRecord,
                       int numPartition)

从接口复制的说明: Partition

Given a record and downstream partitions, determine which partition(s) should receive the record.

指定者:

partition 在接口中 Partition<KeyRecord<K,T>>

参数:

keyRecord - The record.

numPartition - num of partitions

返回:

IDs of the downstream partitions that should receive the record.