public final class UpdateStatement extends AbstractExpression
update_statement ::= update_clause [where_clause]
JPQLExpression
,
UpdateClause
,
WhereClause
COMMA, DOT, DOUBLE_QUOTE, LEFT_CURLY_BRACKET, LEFT_PARENTHESIS, NOT_DEFINED, RIGHT_CURLY_BRACKET, RIGHT_PARENTHESIS, SINGLE_QUOTE, SPACE, UNDERSCORE
ABS, 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 |
---|
UpdateStatement(AbstractExpression parent)
Creates a new
UpdateStatement . |
Modifier and Type | Method and Description |
---|---|
void |
accept(ExpressionVisitor visitor)
Visits this
Expression by the given visitor . |
void |
acceptChildren(ExpressionVisitor visitor)
Visits the children of this
Expression . |
protected void |
addChildrenTo(java.util.Collection<Expression> children)
Adds the children of this
AbstractExpression to the given collection. |
protected void |
addOrderedChildrenTo(java.util.List<Expression> children)
Adds the children of this
AbstractExpression to the given list. |
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 . |
UpdateClause |
getUpdateClause()
Returns the
UpdateClause representing the UPDATE clause. |
Expression |
getWhereClause()
Returns the
Expression representing the WHERE clause. |
boolean |
hasSpaceAfterUpdateClause()
Determines whether a whitespace was parsed after the UPDATE clause.
|
boolean |
hasWhereClause()
Determines whether the WHERE clause is defined or not.
|
protected void |
parse(WordParser wordParser,
boolean tolerant)
Parses the query by starting at the current position, which is part of the given
WordParser . |
protected void |
toParsedText(java.lang.StringBuilder writer,
boolean actual)
Generates a string representation of this
Expression , including its children,
if it has any. |
acceptUnknownVisitor, 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, isParsingComplete, isTolerant, isUnknown, isVirtual, orderedChildren, parse, parseUsingExpressionFactory, populatePosition, rebuildActualText, rebuildParsedText, setParent, setText, shouldParseWithFactoryFirst, shouldSkipLiteral, toActualText, toParsedText, toString
public UpdateStatement(AbstractExpression parent)
UpdateStatement
.parent
- The parent of this expressionpublic void accept(ExpressionVisitor visitor)
Expression
by the given visitor
.visitor
- The ExpressionVisitor
to visit this objectpublic void acceptChildren(ExpressionVisitor visitor)
Expression
. This method can be used to optimize traversing
the children since a new list is not created every time Expression.children()
is called.
This does not traverse the Expression
sub-hierarchy, use a subclass of
AbstractTraverseChildrenVisitor
in order to traverse the entire sub-hierarchy.
visitor
- The visitor
to visit the children of this object.protected void addChildrenTo(java.util.Collection<Expression> children)
AbstractExpression
to the given collection.addChildrenTo
in class AbstractExpression
children
- The collection used to store the childrenprotected void addOrderedChildrenTo(java.util.List<Expression> children)
AbstractExpression
to the given list.addOrderedChildrenTo
in class AbstractExpression
children
- The list used to store the string representation of this AbstractExpression
public JPQLQueryBNF findQueryBNF(Expression expression)
JPQLQueryBNF
that represents the fragment of this Expression
that was used when parsing the given Expression
.findQueryBNF
in interface Expression
findQueryBNF
in class AbstractExpression
expression
- 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 Expression
public UpdateClause getUpdateClause()
UpdateClause
representing the UPDATE clause.public Expression getWhereClause()
Expression
representing the WHERE clause.public boolean hasSpaceAfterUpdateClause()
true
if a whitespace was parsed after the UPDATE clause;
false
otherwisepublic boolean hasWhereClause()
true
if this statement has a WHERE clause; false
if
it was not parsedprotected void parse(WordParser wordParser, boolean tolerant)
WordParser
.parse
in class AbstractExpression
wordParser
- 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 queriesprotected void toParsedText(java.lang.StringBuilder writer, boolean actual)
Expression
, including its children,
if it has any.toParsedText
in class AbstractExpression
writer
- The buffer used to append this Expression
's string representationactual
- Determines whether the string representation should represent what was parsed,
i.e. include any "virtual" whitespace (such as ending whitespace) and the actual case of the
JPQL identifiers