org.apache.flink.streaming.runtime.streamrecord

类 RecordAttributes

java.lang.Object

org.apache.flink.streaming.runtime.streamrecord.StreamElement

org.apache.flink.streaming.runtime.streamrecord.RecordAttributes

@Experimental
public class RecordAttributes
extends StreamElement

A RecordAttributes describes the attributes of records from the current RecordAttributes until the next one is received. It provides stream task with information that can be used to optimize the stream task's performance.

字段概要

字段

限定符和类型	字段和说明
static RecordAttributes	EMPTY_RECORD_ATTRIBUTES

构造器概要

构造器

构造器和说明
RecordAttributes(boolean isBacklog)

方法概要

限定符和类型	方法和说明
boolean	equals(Object o)
int	hashCode()
boolean	isBacklog() If it returns true, then the records received after this element are stale and an operator can optionally buffer records until isBacklog=false.
String	toString()

从类继承的方法 org.apache.flink.streaming.runtime.streamrecord.StreamElement

asLatencyMarker, asRecord, asRecordAttributes, asWatermark, asWatermarkStatus, isLatencyMarker, isRecord, isRecordAttributes, isWatermark, isWatermarkStatus

从类继承的方法 java.lang.Object

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

字段详细资料

EMPTY_RECORD_ATTRIBUTES

public static final RecordAttributes EMPTY_RECORD_ATTRIBUTES

构造器详细资料

RecordAttributes

public RecordAttributes(boolean isBacklog)

方法详细资料

isBacklog

public boolean isBacklog()

If it returns true, then the records received after this element are stale and an operator can optionally buffer records until isBacklog=false. This allows an operator to optimize throughput at the cost of processing latency.

equals

public boolean equals(Object o)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

toString

public String toString()

覆盖:

toString 在类中 Object