Package org.apache.flink.table.planner.plan.nodes.exec.utils

Class TransformationMetadata

java.lang.Object

org.apache.flink.table.planner.plan.nodes.exec.utils.TransformationMetadata

public class TransformationMetadata
extends Object

This POJO is meant to hold some metadata information about operators, which usually needs to be passed to "factory" methods for Transformation.

Constructor Summary

Constructors

Constructor	Description
TransformationMetadata(String name, String desc)	Used by BatchExecNode, as they don't require the uid.
TransformationMetadata(String uid, String name, String desc)	Used by StreamExecNode, as they require the uid.

Method Summary

Modifier and Type	Method	Description
<T extends org.apache.flink.api.dag.Transformation<?>> T	fill(T transformation)	Fill a transformation with this meta.
String	getDescription()
String	getName()
String	getUid()

Methods inherited from class java.lang.Object

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

Constructor Details

TransformationMetadata

public TransformationMetadata(String name,
 String desc)

Used by BatchExecNode, as they don't require the uid.

TransformationMetadata

public TransformationMetadata(String uid,
 String name,
 String desc)

Used by StreamExecNode, as they require the uid.

Method Details

getUid

@Nullable
public String getUid()

getName

public String getName()

getDescription

public String getDescription()

fill

public <T extends org.apache.flink.api.dag.Transformation<?>>
T fill(T transformation)

Fill a transformation with this meta.