Package org.apache.flink.streaming.runtime.streamrecord

Class RecordAttributesBuilder

java.lang.Object

org.apache.flink.streaming.runtime.streamrecord.RecordAttributesBuilder

@Experimental
public class RecordAttributesBuilder
extends Object

The builder class for RecordAttributes.

Constructor Summary

Constructors

Constructor	Description
RecordAttributesBuilder(List<RecordAttributes> lastRecordAttributesOfInputs)	This constructor takes a list of the last RecordAttributes received from each of the operator's inputs.

Method Summary

Modifier and Type	Method	Description
RecordAttributes	build()	If any operator attribute is null, we will log it at DEBUG level and determine a non-null default value as described below.
RecordAttributesBuilder	setBacklog(boolean isBacklog)

Methods inherited from class java.lang.Object

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

Constructor Details

RecordAttributesBuilder

public RecordAttributesBuilder(List<RecordAttributes> lastRecordAttributesOfInputs)

This constructor takes a list of the last RecordAttributes received from each of the operator's inputs. Each input is corresponding to an input edge of the job graph. When this list is not empty, it will be used to determine the default values for those attributes that have not been explicitly set by caller.

Method Details

setBacklog

public RecordAttributesBuilder setBacklog(boolean isBacklog)

build

public RecordAttributes build()

If any operator attribute is null, we will log it at DEBUG level and determine a non-null default value as described below.

Default value for backlog: if any element in lastRecordAttributesOfInputs has backlog=true, use true. Otherwise, use false.