Module io.helidon.data.codegen.query

Package io.helidon.data.codegen.query

Enum Class ProjectionOperator

java.lang.Object

java.lang.Enum<ProjectionOperator>

io.helidon.data.codegen.query.ProjectionOperator

All Implemented Interfaces:

Serializable, Comparable<ProjectionOperator>, Constable

public enum ProjectionOperator
extends Enum<ProjectionOperator>

Projection expression operator.

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
Avg	Avg operator.
Count	Count operator.
Exists	Exists operator.
First	First operator.
Max	Max operator.
Min	Min operator.
Sum	Sum operator.

Method Summary

Modifier and Type	Method	Description
boolean	hasParameter()	Whether expression has parameter.
static ProjectionOperator	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ProjectionOperator[]	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

First

public static final ProjectionOperator First

First operator.

Count

public static final ProjectionOperator Count

Count operator.

Exists

public static final ProjectionOperator Exists

Exists operator.

Min

public static final ProjectionOperator Min

Min operator.

Max

public static final ProjectionOperator Max

Max operator.

Sum

public static final ProjectionOperator Sum

Sum operator.

Avg

public static final ProjectionOperator Avg

Avg operator.

Method Details

values

public static ProjectionOperator[] 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 ProjectionOperator 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

hasParameter

public boolean hasParameter()

Whether expression has parameter.

Returns:

value of true when expression has parameter or false otherwise.