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java.lang.Object org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF org.eclipse.persistence.jpa.jpql.parser.FunctionsReturningNumericsBNF
public final class FunctionsReturningNumericsBNF
The query BNF for a function expression returning a numeric value.
JPA 1.0:
functions_returning_numerics::= LENGTH(string_primary) |
LOCATE(string_primary, string_primary[, simple_arithmetic_expression]) |
ABS(simple_arithmetic_expression) | SQRT(simple_arithmetic_expression) |
MOD(simple_arithmetic_expression, simple_arithmetic_expression) |
SIZE(collection_valued_path_expression)
JPA 2.0:
functions_returning_numerics::= LENGTH(string_primary) |
LOCATE(string_primary, string_primary[, simple_arithmetic_expression]) |
ABS(simple_arithmetic_expression) | SQRT(simple_arithmetic_expression) |
MOD(simple_arithmetic_expression, simple_arithmetic_expression) |
SIZE(collection_valued_path_expression) |
INDEX(identification_variable)
Field Summary | |
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static java.lang.String |
ID
The unique identifier of this BNF rule. |
Constructor Summary | |
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FunctionsReturningNumericsBNF()
Creates a new FunctionsReturningNumericsBNF . |
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 FunctionsReturningNumericsBNF()
FunctionsReturningNumericsBNF
.
Method Detail |
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protected void initialize()
JPQLQueryBNFs
and ExpressionFactories
.
initialize
in class JPQLQueryBNF
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