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Oracle Fusion Middleware Java API Reference for Oracle TopLink 11g Release 1 (11.1.1) E28847-01 |
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java.lang.Object
org.eclipse.persistence.jpa.internal.jpql.parser.JPQLQueryBNF
org.eclipse.persistence.jpa.internal.jpql.parser.InternalWhenClauseBNF
public final class InternalWhenClauseBNF
The query BNF for the expression following the WHEN identifier.
when_clause ::= WHEN conditional_expression THEN scalar_expression
or
simple_when_clause ::= WHEN scalar_expression THEN scalar_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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InternalWhenClauseBNF() Creates a new InternalWhenClauseBNF . |
Method Summary | |
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(package private) java.lang.String |
getFallbackBNFId() When parsing the query and no JPQLQueryBNFs can help to parse the query, then it will fall back on this one. |
(package private) void |
initialize() Initializes this BNF rule by registering child BNF rules and expression factories . |
Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.JPQLQueryBNF |
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addChildren, children, expressionFactory, expressionFactoryIds, getFallbackExpressionFactoryId, getId, handleAggregate, handleCollection, hasIdentifier, identifiers, isCompound, nonCompoundChildren, registerChild, registerExpressionFactory, 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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InternalWhenClauseBNF()
InternalWhenClauseBNF
.Method Detail |
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java.lang.String getFallbackBNFId()
JPQLQueryBNFs
can help to parse the query, then it will fall back on this one.getFallbackBNFId
in class JPQLQueryBNF
JPQLQueryBNF
to use in the last resortvoid initialize()
BNF rules
and expression factories
.initialize
in class JPQLQueryBNF
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