Class FunctionsReturningStringsBNF
- java.lang.Object
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- org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF
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- org.eclipse.persistence.jpa.jpql.parser.FunctionsReturningStringsBNF
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public final class FunctionsReturningStringsBNF extends JPQLQueryBNF
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)
- Version:
- 2.4
- Author:
- Pascal Filion
- Since:
- 2.3
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
ID
The unique identifier of this BNF rule.
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Constructor Summary
Constructors Constructor Description FunctionsReturningStringsBNF()
Creates a newFunctionsReturningStringsBNF
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
initialize()
Initializes this BNF by registering childJPQLQueryBNFs
andExpressionFactories
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Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF
children, getExpressionFactory, getExpressionFactoryIds, getExpressionRegistry, getFallbackBNFId, getFallbackExpressionFactoryId, getId, getIdentifiers, handleAggregate, handleCollection, handlesNestedArray, handleSubExpression, hasChild, hasIdentifier, isCompound, nonCompoundChildren, registerChild, registerExpressionFactory, setCompound, setFallbackBNFId, setFallbackExpressionFactoryId, setHandleAggregate, setHandleCollection, setHandleNestedArray, setHandleSubExpression, toString, toString
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Field Detail
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ID
public static final java.lang.String ID
The unique identifier of this BNF rule.- See Also:
- Constant Field Values
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Method Detail
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initialize
protected void initialize()
Initializes this BNF by registering childJPQLQueryBNFs
andExpressionFactories
.- Overrides:
initialize
in classJPQLQueryBNF
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