public final Class FunctionsReturningStringsBNF

Class Inheritance

extends JPQLQueryBNF

java.lang.Object
org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF
org.eclipse.persistence.jpa.jpql.parser.FunctionsReturningStringsBNF

Annotations

@SuppressWarnings:nls

The query BNF for a function expression returning a string value.

BNF:

functions_returning_strings ::= CONCAT(string_primary, string_primary {, string_primary}*) |
SUBSTRING(string_primary, simple_arithmetic_expression [, simple_arithmetic_expression]) |
TRIM([[trim_specification] [trim_character] FROM] string_primary) |
LOWER(string_primary) | UPPER(string_primary)

Author: Pascal Filion
Since: 2.3
Version: 2.4

Field Summary

Modifier and Type	Field and Description
public static final String	ID The unique identifier of this BNF rule.

Constructor Summary

Access	Constructor and Description
public	FunctionsReturningStringsBNF() Creates a new `FunctionsReturningStringsBNF`.

Method Summary

Modifier and Type	Method and Description
protected void	initialize() Overrides org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF.initialize. Initializes this BNF by registering child `JPQLQueryBNFs` and `ExpressionFactories`.

Field Detail

ID	back to summary
public static final String ID The unique identifier of this BNF rule.

Constructor Detail

FunctionsReturningStringsBNF	back to summary
public FunctionsReturningStringsBNF() Creates a new `FunctionsReturningStringsBNF`.

Method Detail

initialize back to summary

initialize	back to summary
protected void initialize() Overrides org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF.initialize. Doc from org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF.initialize. Initializes this BNF by registering child `JPQLQueryBNFs` and `ExpressionFactories`. Annotations @Override

protected void initialize()

Overrides org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF.initialize.

Doc from org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF.initialize.

Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

Annotations

@Override