Module datarush.library

Package com.pervasive.datarush.operators.join

Enum Class SemiJoinMode

java.lang.Object

java.lang.Enum<SemiJoinMode>

com.pervasive.datarush.operators.join.SemiJoinMode

All Implemented Interfaces:

Serializable, Comparable<SemiJoinMode>, java.lang.constant.Constable

public enum SemiJoinMode
extends Enum<SemiJoinMode>

Specifies how the SemiJoin operator should behave.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
LEFT_ANTI	Output those rows from the left for which there does not exist a matching row on the right.
LEFT_SEMI	Output those rows from the left for which there exists a matching row on the right.

Method Summary

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

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

LEFT_SEMI

public static final SemiJoinMode LEFT_SEMI

Output those rows from the left for which there exists a matching row on the right. Output contains only keys/data from the left side.

LEFT_ANTI

public static final SemiJoinMode LEFT_ANTI

Output those rows from the left for which there does not exist a matching row on the right. Output contains only keys/data from the left side.

Method Details

values

public static SemiJoinMode[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

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

valueOf

public static SemiJoinMode valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null