org.apache.flink.table.planner.plan.trait

Enum UpdateKind

java.lang.Object

java.lang.Enum<UpdateKind>

org.apache.flink.table.planner.plan.trait.UpdateKind

All Implemented Interfaces:

Serializable, Comparable<UpdateKind>

public enum UpdateKind
extends Enum<UpdateKind>

Lists all kinds of ModifyKind.UPDATE operation.

Enum Constant Summary

Enum Constants

Enum Constant and Description
BEFORE_AND_AFTER This kind indicates that operators should emit update changes in the way that a row of RowKind#UPDATE_BEFORE and a row of RowKind#UPDATE_AFTER together.
NONE NONE doesn't represent any kind of update operation.
ONLY_UPDATE_AFTER This kind indicates that operators should emit update changes just as a row of RowKind#UPDATE_AFTER.

Method Summary

Modifier and Type	Method and Description
static UpdateKind	valueOf(String name) Returns the enum constant of this type with the specified name.
static UpdateKind[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

NONE

public static final UpdateKind NONE

NONE doesn't represent any kind of update operation.

ONLY_UPDATE_AFTER

public static final UpdateKind ONLY_UPDATE_AFTER

This kind indicates that operators should emit update changes just as a row of RowKind#UPDATE_AFTER.

BEFORE_AND_AFTER

public static final UpdateKind BEFORE_AND_AFTER

This kind indicates that operators should emit update changes in the way that a row of RowKind#UPDATE_BEFORE and a row of RowKind#UPDATE_AFTER together.

Method Detail

values

public static UpdateKind[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (UpdateKind c : UpdateKind.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static UpdateKind valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null