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java.lang.Objectorg.eclipse.persistence.jpa.jpql.parser.AbstractExpression
org.eclipse.persistence.jpa.jpql.parser.AbstractEncapsulatedExpression
org.eclipse.persistence.jpa.jpql.parser.AbstractSingleEncapsulatedExpression
org.eclipse.persistence.jpa.jpql.parser.SubExpression
public final class SubExpression
This expression wraps a sub-expression within parenthesis.
expression ::= (sub_expression)
| Field Summary |
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| Fields inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractExpression |
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COMMA, DOT, DOUBLE_QUOTE, LEFT_CURLY_BRACKET, LEFT_PARENTHESIS, NOT_DEFINED, RIGHT_CURLY_BRACKET, RIGHT_PARENTHESIS, SINGLE_QUOTE, SPACE, UNDERSCORE |
| Constructor Summary | |
|---|---|
SubExpression(AbstractExpression parent,
java.lang.String queryBNF)
Creates a new SubExpression. |
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| Method Summary | |
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void |
accept(ExpressionVisitor visitor)
Visits this Expression by the given visitor. |
protected boolean |
areLogicalIdentifiersSupported()
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java.lang.String |
encapsulatedExpressionBNF()
Returns the BNF used to parse the encapsulated expression. |
JPQLQueryBNF |
findQueryBNF(Expression expression)
Retrieves the JPQLQueryBNF that represents the fragment of this Expression
that was used when parsing the given Expression. |
JPQLQueryBNF |
getQueryBNF()
Returns the BNF of this Expression. |
protected java.lang.String |
parseIdentifier(WordParser wordParser)
Parses the identifier of this expression. |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractSingleEncapsulatedExpression |
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acceptChildren, addChildrenTo, addOrderedEncapsulatedExpressionTo, getExpression, hasEncapsulatedExpression, hasExpression, parseEncapsulatedExpression, removeEncapsulatedExpression, setExpression, toParsedTextEncapsulatedExpression |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractEncapsulatedExpression |
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addOrderedChildrenTo, getActualIdentifier, getIdentifier, hasLeftParenthesis, hasRightParenthesis, hasSpaceAfterIdentifier, isParsingComplete, parse, shouldParseRightParenthesis, toParsedText |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public SubExpression(AbstractExpression parent, java.lang.String queryBNF)
SubExpression.
parent - The parent of this expressionqueryBNF - The BNF coming from the parent that is used to parse the next portion of the query| Method Detail |
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public void accept(ExpressionVisitor visitor)
Expression by the given visitor.
visitor - The ExpressionVisitor to visit this objectprotected boolean areLogicalIdentifiersSupported()
areLogicalIdentifiersSupported in class AbstractEncapsulatedExpressionpublic java.lang.String encapsulatedExpressionBNF()
encapsulatedExpressionBNF in class AbstractSingleEncapsulatedExpressionpublic JPQLQueryBNF findQueryBNF(Expression expression)
JPQLQueryBNF that represents the fragment of this Expression
that was used when parsing the given Expression.
findQueryBNF in interface ExpressionfindQueryBNF in class AbstractSingleEncapsulatedExpressionexpression - The Expression that is a descendant of this one
JPQLQueryBNF that was used to parse the given expressionpublic JPQLQueryBNF getQueryBNF()
Expression.
JPQLQueryBNF, which represents the grammar of this Expressionprotected java.lang.String parseIdentifier(WordParser wordParser)
parseIdentifier in class AbstractEncapsulatedExpression
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