Package org.datanucleus.metadata

Enum QueryLanguage

java.lang.Object

java.lang.Enum<QueryLanguage>

org.datanucleus.metadata.QueryLanguage

All Implemented Interfaces:

Serializable, Comparable<QueryLanguage>

public enum QueryLanguage
extends Enum<QueryLanguage>

Representation of the primary query languages. Other query languages can be supported but this is just for the primary ones as shortcuts.

Enum Constant Summary

Enum Constants

Enum Constant	Description
JDOQL
JPQL
SQL
STOREDPROC

Method Summary

Modifier and Type	Method	Description
static QueryLanguage	getQueryLanguage(String value)	Return QueryLanguage from String.
static QueryLanguage	valueOf(String name)	Returns the enum constant of this type with the specified name.
static QueryLanguage[]	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

JDOQL

public static final QueryLanguage JDOQL

SQL

public static final QueryLanguage SQL

JPQL

public static final QueryLanguage JPQL

STOREDPROC

public static final QueryLanguage STOREDPROC

Method Detail

values

public static QueryLanguage[] 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 (QueryLanguage c : QueryLanguage.values())
    System.out.println(c);

Returns:

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

valueOf

public static QueryLanguage 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

getQueryLanguage

public static QueryLanguage getQueryLanguage(String value)

Return QueryLanguage from String.

Parameters:

value - identity-type attribute value

Returns:

Instance of QueryLanguage. If parse failed, return null.