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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.ConditionalTermBNF
public final class ConditionalTermBNF
The query BNF for a conditional term expression.
conditional_term ::= conditional_factor | conditional_term AND conditional_factor
Field Summary | |
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static java.lang.String |
ID The unique identifier of this BNF rule. |
Constructor Summary | |
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ConditionalTermBNF() Creates a new ConditionalTermBNF . |
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. |
boolean |
handleAggregate() Determines whether the Expression handles a collection of sub-expressions that are aggregated by logical or arithmetic operators. |
(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, 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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ConditionalTermBNF()
ConditionalTermBNF
.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 resortpublic boolean handleAggregate()
Expression
handles a collection of sub-expressions that are aggregated by logical or arithmetic operators.handleAggregate
in class JPQLQueryBNF
true
if the sub-expression to parse might have several logical and/or arithmetic expressions; false
otherwisevoid initialize()
BNF rules
and expression factories
.initialize
in class JPQLQueryBNF
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