org.eclipse.persistence.jpa.internal.jpql.parser
Class SimpleSelectStatement

java.lang.Object
org.eclipse.persistence.jpa.internal.jpql.parser.StringExpression
org.eclipse.persistence.jpa.internal.jpql.parser.AbstractExpression
org.eclipse.persistence.jpa.internal.jpql.parser.AbstractSelectStatement
org.eclipse.persistence.jpa.internal.jpql.parser.SimpleSelectStatement

All Implemented Interfaces:

Expression

public final class SimpleSelectStatement

extends AbstractSelectStatement

BNFL subquery ::= simple_select_clause subquery_from_clause [where_clause] [groupby_clause] [having_clause]

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Field Summary

Fields inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.AbstractExpression

COMMA, DOT, DOUBLE_QUOTE, LEFT_CURLY_BRACKET, LEFT_PARENTHESIS, NOT_DEFINED, RIGHT_CURLY_BRACKET, RIGHT_PARENTHESIS, SINGLE_QUOTE, SPACE, UNDERSCORE

Fields inherited from interface org.eclipse.persistence.jpa.internal.jpql.parser.Expression

ABS, ALL, AND, ANY, AS, ASC, AVG, BETWEEN, BIT_LENGTH, BOTH, CASE, CHAR_LENGTH, CHARACTER_LENGTH, CLASS, COALESCE, CONCAT, COUNT, CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP, DELETE, DELETE_FROM, DESC, DIFFERENT, DISTINCT, DIVISION, ELSE, EMPTY, END, ENTRY, EQUAL, ESCAPE, EXISTS, FALSE, FETCH, FROM, FUNC, GREATER_THAN, GREATER_THAN_OR_EQUAL, GROUP_BY, HAVING, IN, INDEX, INNER, INNER_JOIN, INNER_JOIN_FETCH, IS, IS_EMPTY, IS_NOT_EMPTY, IS_NOT_NULL, IS_NULL, JOIN, JOIN_FETCH, KEY, 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_EXISTS, NOT_IN, NOT_LIKE, NOT_MEMBER, NOT_MEMBER_OF, NULL, NULLIF, OBJECT, OF, OR, ORDER_BY, OUTER, PLUS, POSITION, POSITIONAL_PARAMETER, QUOTE, SELECT, SET, SIZE, SOME, SQRT, SUBSTRING, SUM, THEN, TRAILING, TREAT, TRIM, TRUE, TYPE, UNKNOWN, UPDATE, UPPER, VALUE, WHEN, WHERE

Constructor Summary

SimpleSelectStatement(AbstractExpression parent)
Creates a new SimpleSelectStatement.

Method Summary

void	accept(ExpressionVisitor visitor) Visits this Expression by the given visitor.
SimpleFromClause	addFromClause() Manually adds the FROM clause to this SELECT statement.
(package private) SimpleFromClause	buildFromClause() Creates the expression representing the from clause of this select statement.
(package private) SimpleSelectClause	buildSelectClause() Creates the expression representing the select clause of this select statement.
JPQLQueryBNF	getQueryBNF() Returns the BNF of this Expression.
SimpleSelectClause	getSelectClause() Returns the AbstractSelectClause representing the SELECT clause.
(package private) boolean	shouldManageSpaceAfterClause() Determines whether

Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.AbstractSelectStatement

acceptChildren, addChildrenTo, addOrderedChildrenTo, addSelectClause, addWhereClause, getFromClause, getGroupByClause, getHavingClause, getWhereClause, hasFromClause, hasGroupByClause, hasHavingClause, hasSpaceAfterFrom, hasSpaceAfterGroupBy, hasSpaceAfterSelect, hasSpaceAfterWhere, hasWhereClause, parse, toParsedText

Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.AbstractExpression

buildExpressionFromFallingBack, buildNullExpression, buildStringExpression, buildStringExpression, buildUnknownExpression, children, expressionFactory, expressionFactoryForIdentifier, findQueryBNF, getChildren, getJPAVersion, getParent, getRoot, getText, handleAggregate, identifierRole, identifiers, identifiers, identifierVersion, isAncestor, isIdentifier, isNull, isParsingComplete, isTolerant, isUnknown, isVirtual, orderedChildren, parse, parseSingleExpression, populatePosition, queryBNF, readdLeadingSpaces, rebuildActualText, rebuildParsedText, setParent, setText, shouldParseWithFactoryFirst, shouldSkipLiteral, toActualText, toParsedText, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SimpleSelectStatement

SimpleSelectStatement(AbstractExpression parent)

Creates a new SimpleSelectStatement.

Parameters:

parent - The parent of this expression

Method Detail

accept

public void accept(ExpressionVisitor visitor)

Visits this Expression by the given visitor.

Parameters:

visitor - The visitor to visit this object

addFromClause

public SimpleFromClause addFromClause()

Manually adds the FROM clause to this SELECT statement.

Overrides:

addFromClause in class AbstractSelectStatement

Returns:

The new FROM clause

buildFromClause

SimpleFromClause buildFromClause()

Creates the expression representing the from clause of this select statement.

Specified by:

buildFromClause in class AbstractSelectStatement

Returns:

A new from clause, null can't be returned

buildSelectClause

SimpleSelectClause buildSelectClause()

Creates the expression representing the select clause of this select statement.

Specified by:

buildSelectClause in class AbstractSelectStatement

Returns:

A new from clause, null can't be returned

getQueryBNF

public JPQLQueryBNF getQueryBNF()

Returns the BNF of this Expression.

Specified by:

getQueryBNF in class AbstractExpression

Returns:

The JPQLQueryBNF, which represents the grammar of this Expression

getSelectClause

public SimpleSelectClause getSelectClause()

Returns the AbstractSelectClause representing the SELECT clause.

Overrides:

getSelectClause in class AbstractSelectStatement

Returns:

The expression representing the SELECT clause

shouldManageSpaceAfterClause

boolean shouldManageSpaceAfterClause()

Determines whether

Overrides:

shouldManageSpaceAfterClause in class AbstractSelectStatement

Returns: