org.apache.flink.streaming.runtime.partitioner

类 CustomPartitionerWrapper<K,T>

java.lang.Object

org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

org.apache.flink.streaming.runtime.partitioner.CustomPartitionerWrapper<K,T>

类型参数:

K - Type of the key

T - Type of the data

所有已实现的接口:

Serializable, org.apache.flink.runtime.io.network.api.writer.ChannelSelector<org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>>>

@Internal
public class CustomPartitionerWrapper<K,T>
extends StreamPartitioner<T>

Partitioner that selects the channel with a user defined partitioner function on a key.

另请参阅:

序列化表格

字段概要

从类继承的字段 org.apache.flink.streaming.runtime.partitioner.StreamPartitioner

numberOfChannels

构造器概要

构造器

构造器和说明
CustomPartitionerWrapper(org.apache.flink.api.common.functions.Partitioner<K> partitioner, org.apache.flink.api.java.functions.KeySelector<T,K> keySelector)

方法概要

限定符和类型	方法和说明
StreamPartitioner<T>	copy()
boolean	equals(Object o)
org.apache.flink.runtime.io.network.api.writer.SubtaskStateMapper	getDownstreamSubtaskStateMapper() Defines the behavior of this partitioner, when downstream rescaled during recovery of in-flight data.
int	hashCode()
boolean	isPointwise()
int	selectChannel(org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>> record)
String	toString()

从类继承的方法 org.apache.flink.streaming.runtime.partitioner.StreamPartitioner

getUpstreamSubtaskStateMapper, isBroadcast, setup

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

CustomPartitionerWrapper

public CustomPartitionerWrapper(org.apache.flink.api.common.functions.Partitioner<K> partitioner,
                                org.apache.flink.api.java.functions.KeySelector<T,K> keySelector)

方法详细资料

selectChannel

public int selectChannel(org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>> record)

getDownstreamSubtaskStateMapper

public org.apache.flink.runtime.io.network.api.writer.SubtaskStateMapper getDownstreamSubtaskStateMapper()

从类复制的说明: StreamPartitioner

Defines the behavior of this partitioner, when downstream rescaled during recovery of in-flight data.

指定者:

getDownstreamSubtaskStateMapper 在类中 StreamPartitioner<T>

copy

public StreamPartitioner<T> copy()

指定者:

copy 在类中 StreamPartitioner<T>

equals

public boolean equals(Object o)

覆盖:

equals 在类中 StreamPartitioner<T>

hashCode

public int hashCode()

覆盖:

hashCode 在类中 StreamPartitioner<T>

isPointwise

public boolean isPointwise()

指定者:

isPointwise 在类中 StreamPartitioner<T>

toString

public String toString()

覆盖:

toString 在类中 Object