Package org.datanucleus.metadata
Enum QueryLanguage
- java.lang.Object
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- java.lang.Enum<QueryLanguage>
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- org.datanucleus.metadata.QueryLanguage
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- 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.
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Enum Constant Summary
Enum Constants Enum Constant Description JDOQL
JPQL
SQL
STOREDPROC
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Method Summary
All Methods Static Methods Concrete Methods 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.
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Enum Constant Detail
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JDOQL
public static final QueryLanguage JDOQL
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SQL
public static final QueryLanguage SQL
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JPQL
public static final QueryLanguage JPQL
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STOREDPROC
public static final QueryLanguage STOREDPROC
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Method Detail
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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
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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 nameNullPointerException
- if the argument is null
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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.
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