Package dev.roanh.gmark.lang

Enum Class QueryLanguage

java.lang.Object

java.lang.Enum<QueryLanguage>

dev.roanh.gmark.lang.QueryLanguage

All Implemented Interfaces:

Serializable, Comparable<QueryLanguage>, Constable

public enum QueryLanguage
extends Enum<QueryLanguage>

Enum of implemented concrete query languages. A query language is a formal syntax that can be used to query a database that is build using a subset of database operations.

See Also:

• OperationType

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
CPQ	The language of Conjunctive Path Queries.
RPQ	The language of Regular Path Queries.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	QueryLanguage()

Method Summary

Modifier and Type	Method	Description
static QueryLanguage	valueOf(String name)	Returns the enum constant of this class with the specified name.
static QueryLanguage[]	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

CPQ

public static final QueryLanguage CPQ

The language of Conjunctive Path Queries.

See Also:

• CPQ

RPQ

public static final QueryLanguage RPQ

The language of Regular Path Queries.

See Also:

• RPQ

Constructor Details

QueryLanguage

private QueryLanguage()

Method Details

values

public static QueryLanguage[] 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 QueryLanguage 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