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java.lang.Objectorg.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF
org.eclipse.persistence.jpa.jpql.parser.ScalarExpressionBNF
public final class ScalarExpressionBNF
The query BNF for a scalar expression.
JPA 1.0:
scalar_expression ::= simple_arithmetic_expression |
string_primary |
enum_primary |
datetime_primary |
boolean_primary
JPA 2.0
scalar_expression ::= simple_arithmetic_expression |
string_primary |
enum_primary |
datetime_primary |
boolean_primary |
case_expression |
entity_type_expression
Field Summary | |
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static java.lang.String |
ID
The unique identifier of this BNF rule. |
Constructor Summary | |
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ScalarExpressionBNF()
Creates a new SelectExpressionBNF . |
Method Summary | |
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protected void |
initialize()
Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories . |
Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF |
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children, getExpressionFactory, getExpressionFactoryIds, getExpressionRegistry, getFallbackBNFId, getFallbackExpressionFactoryId, getId, getIdentifiers, handleAggregate, handleCollection, handlesSubExpression, hasIdentifier, isCompound, nonCompoundChildren, registerChild, registerExpressionFactory, setCompound, setFallbackBNFId, setFallbackExpressionFactoryId, setHandleAggregate, setHandleCollection, setHandleSubExpression, toString, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final java.lang.String ID
Constructor Detail |
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public ScalarExpressionBNF()
SelectExpressionBNF
.
Method Detail |
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protected void initialize()
JPQLQueryBNFs
and ExpressionFactories
.
initialize
in class JPQLQueryBNF
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