public final class SubExpression extends AbstractSingleEncapsulatedExpression
expression ::= (sub_expression)COMMA, DOT, DOUBLE_QUOTE, LEFT_CURLY_BRACKET, LEFT_PARENTHESIS, NOT_DEFINED, RIGHT_CURLY_BRACKET, RIGHT_PARENTHESIS, SINGLE_QUOTE, SPACE, UNDERSCOREABS, ALL, AND, ANY, AS, AS_OF, ASC, AVG, BETWEEN, BIT_LENGTH, BOTH, CASE, CAST, CHAR_LENGTH, CHARACTER_LENGTH, CLASS, COALESCE, COLUMN, CONCAT, CONNECT_BY, COUNT, CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP, DELETE, DELETE_FROM, DESC, DIFFERENT, DISTINCT, DIVISION, ELSE, EMPTY, END, ENTRY, EQUAL, ESCAPE, EXCEPT, EXISTS, EXTRACT, FALSE, FETCH, FIRST, FROM, FUNC, FUNCTION, GREATER_THAN, GREATER_THAN_OR_EQUAL, GROUP_BY, HAVING, IN, INDEX, INNER, INNER_JOIN, INNER_JOIN_FETCH, INTERSECT, IS, IS_EMPTY, IS_NOT_EMPTY, IS_NOT_NULL, IS_NULL, JOIN, JOIN_FETCH, KEY, LAST, LEADING, LEFT, LEFT_JOIN, LEFT_JOIN_FETCH, LEFT_OUTER_JOIN, LEFT_OUTER_JOIN_FETCH, LENGTH, LIKE, LOCATE, LOWER, LOWER_THAN, LOWER_THAN_OR_EQUAL, MAX, MEMBER, MEMBER_OF, MIN, MINUS, MOD, MULTIPLICATION, NAMED_PARAMETER, NEW, NOT, NOT_BETWEEN, NOT_EQUAL, NOT_EXISTS, NOT_IN, NOT_LIKE, NOT_MEMBER, NOT_MEMBER_OF, NULL, NULLIF, NULLS, NULLS_FIRST, NULLS_LAST, OBJECT, OF, ON, OPERATOR, OR, ORDER_BY, ORDER_SIBLINGS_BY, OUTER, PLUS, POSITION, POSITIONAL_PARAMETER, QUOTE, REGEXP, SCN, SELECT, SET, SIZE, SOME, SQL, SQRT, START_WITH, SUBSTRING, SUM, TABLE, THEN, TIMESTAMP, TRAILING, TREAT, TRIM, TRUE, TYPE, UNION, UNKNOWN, UPDATE, UPPER, VALUE, WHEN, WHERE| Constructor and Description |
|---|
SubExpression(AbstractExpression parent,
JPQLQueryBNF queryBNF)
Creates a new
SubExpression. |
| Modifier and Type | Method and Description |
|---|---|
void |
accept(ExpressionVisitor visitor)
Visits this
Expression by the given visitor. |
protected boolean |
areLogicalIdentifiersSupported() |
JPQLQueryBNF |
findQueryBNF(Expression expression)
Retrieves the
JPQLQueryBNF that represents the fragment of this Expression
that was used when parsing the given Expression. |
java.lang.String |
getEncapsulatedExpressionQueryBNFId()
Returns the BNF used to parse the encapsulated expression.
|
JPQLQueryBNF |
getQueryBNF()
Returns the BNF of this
Expression. |
protected boolean |
handleCollection(JPQLQueryBNF queryBNF)
Determines whether the given
JPQLQueryBNF handles a collection of sub-expressions that
are separated by commas. |
acceptChildren, addChildrenTo, addOrderedEncapsulatedExpressionTo, getExpression, hasEncapsulatedExpression, hasExpression, parseEncapsulatedExpression, removeEncapsulatedExpression, setExpression, toParsedTextEncapsulatedExpressionaddOrderedChildrenTo, getActualIdentifier, getIdentifier, hasLeftParenthesis, hasRightParenthesis, hasSpaceAfterIdentifier, isParsingComplete, parse, shouldParseRightParenthesis, toParsedTextacceptUnknownVisitor, acceptUnknownVisitor, buildExpressionFromFallingBack, buildNullExpression, buildStringExpression, buildStringExpression, buildUnknownExpression, calculatePosition, children, findFallBackExpressionFactory, getExpressionFactory, getExpressionRegistry, getGrammar, getIdentifierVersion, getJPAVersion, getLength, getOffset, getParent, getQueryBNF, getRoot, getText, handleAggregate, isAncestor, isIdentifier, isNull, isTolerant, isUnknown, isVirtual, orderedChildren, parse, parseUsingExpressionFactory, populatePosition, rebuildActualText, rebuildParsedText, setParent, setText, shouldParseWithFactoryFirst, shouldSkipLiteral, toActualText, toParsedText, toStringpublic SubExpression(AbstractExpression parent, JPQLQueryBNF queryBNF)
SubExpression.parent - The parent of this expressionqueryBNF - The BNF coming from the parent that is used to parse the next portion of the querypublic 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 getEncapsulatedExpressionQueryBNFId()
getEncapsulatedExpressionQueryBNFId 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 oneJPQLQueryBNF that was used to parse the given expressionpublic JPQLQueryBNF getQueryBNF()
Expression.JPQLQueryBNF, which represents the grammar of this Expressionprotected boolean handleCollection(JPQLQueryBNF queryBNF)
JPQLQueryBNF handles a collection of sub-expressions that
are separated by commas.handleCollection in class AbstractExpressionqueryBNF - The JPQLQueryBNF used to determine if the parsing should handle
collection of sub-expressionstrue if the sub-expression to parse might have several sub-expressions
separated by commas; false otherwise