public final class DatabaseType extends AbstractDoubleEncapsulatedExpression
database_type ::= data_type_literal [( [numeric_literal [, numeric_literal]] )]data_type_literal ::= [CHAR, VARCHAR, NUMERIC, INTEGER, DATE, TIME, TIMESTAMP, etc]
Example: CASE(e.name AS VARCHAR(20))
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 |
|---|
DatabaseType(AbstractExpression parent,
String databaseType)
Creates a new
DatabaseType. |
| Modifier and Type | Method and Description |
|---|---|
void |
accept(ExpressionVisitor visitor)
Visits this
Expression by the given visitor. |
JPQLQueryBNF |
getQueryBNF()
Returns the BNF of this
Expression. |
protected boolean |
isSecondExpressionOptional()
Determines whether the second expression is optional or not.
|
String |
parameterExpressionBNF(int index)
Returns the BNF to be used to parse one of the encapsulated expression.
|
protected boolean |
shouldParseRightParenthesis(WordParser wordParser,
boolean tolerant)
Determines whether the right parenthesis should be parsed or not by this expression.
|
acceptChildren, addChildrenTo, addOrderedEncapsulatedExpressionTo, buildCollectionExpression, findQueryBNF, getFirstExpression, getSecondExpression, hasComma, hasEncapsulatedExpression, hasFirstExpression, hasSecondExpression, hasSpaceAfterComma, isParsingComplete, parseEncapsulatedExpression, removeEncapsulatedExpression, toParsedTextEncapsulatedExpressionaddOrderedChildrenTo, areLogicalIdentifiersSupported, getActualIdentifier, getIdentifier, hasLeftParenthesis, hasRightParenthesis, hasSpaceAfterIdentifier, parse, toParsedTextacceptUnknownVisitor, acceptUnknownVisitor, buildExpressionFromFallingBack, buildNullExpression, buildStringExpression, buildStringExpression, buildUnknownExpression, calculatePosition, children, findFallBackExpressionFactory, getExpressionFactory, getExpressionRegistry, getGrammar, getIdentifierVersion, getJPAVersion, getLength, getOffset, getParent, getQueryBNF, getRoot, getText, handleAggregate, handleCollection, isAncestor, isIdentifier, isNull, isTolerant, isUnknown, isVirtual, orderedChildren, parse, parseUsingExpressionFactory, populatePosition, rebuildActualText, rebuildParsedText, setParent, setText, shouldParseWithFactoryFirst, shouldSkipLiteral, toActualText, toParsedText, toStringpublic DatabaseType(AbstractExpression parent, String databaseType)
DatabaseType.parent - The parent of this expressiondatabaseType - The database typepublic void accept(ExpressionVisitor visitor)
Expression by the given visitor.visitor - The ExpressionVisitor to visit this objectpublic JPQLQueryBNF getQueryBNF()
Expression.JPQLQueryBNF, which represents the grammar of this Expressionprotected boolean isSecondExpressionOptional()
isSecondExpressionOptional in class AbstractDoubleEncapsulatedExpressiontrue if the second expression is optional; false if it is
requiredpublic String parameterExpressionBNF(int index)
parameterExpressionBNF in class AbstractDoubleEncapsulatedExpressionindex - The position of the encapsulated Expression that needs to be parsed
within the parenthesis, which starts at position 0protected boolean shouldParseRightParenthesis(WordParser wordParser, boolean tolerant)
shouldParseRightParenthesis in class AbstractEncapsulatedExpressionwordParser - The text to parse based on the current position of the cursortolerant - Determines whether the parsing system should be tolerant, meaning if it should
try to parse invalid or incomplete queriestrue if the right parenthesis should be owned by this expression if it
is the next character to scan; false otherwiseCopyright © 2007–2021 Eclipse.org - EclipseLink Project. All rights reserved.