Package com.stardog.stark.query.sparql

Enum Class SPARQL

java.lang.Object

java.lang.Enum<SPARQL>

com.stardog.stark.query.sparql.SPARQL

All Implemented Interfaces:

QueryLanguage, Serializable, Comparable<SPARQL>, Constable

public enum SPARQL
extends Enum<SPARQL>
implements QueryLanguage

The SPARQL Query language

Since:

1.0

Version:

1.0

Author:

Michael Grove

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
Language

Method Summary

Modifier and Type	Method	Description
static String	escape(String theString)	Properly escape out any special characters in the query string.
static String	toQueryString(Value theValue)
String	toString()
static SPARQL	valueOf(String name)	Returns the enum constant of this class with the specified name.
static SPARQL[]	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, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

Language

public static final SPARQL Language

Method Details

values

public static SPARQL[] 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 SPARQL 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

toQueryString

@Nonnull
public static String toQueryString(@Nonnull
 Value theValue)

escape

public static String escape(String theString)

Properly escape out any special characters in the query string. Replaces unescaped double quotes with \" and replaces slashes '\' which are not a valid escape sequence such as \t or \n with a double slash '\\' so they are unescaped correctly by a SPARQL parser.

Parameters:

theString - the query string to escape chars in

Returns:

the escaped query string

toString

public String toString()

Overrides:

toString in class Enum<SPARQL>