/** {@inheritDoc} */
@Override
protected void parse(WordParser wordParser, boolean tolerant) {
// Parse state field
if (tolerant) {
stateFieldExpression = parse(wordParser, UpdateItemStateFieldPathExpressionBNF.ID, tolerant);
} else {
stateFieldExpression = new StateFieldPathExpression(this, wordParser.word());
stateFieldExpression.parse(wordParser, tolerant);
}
hasSpaceAfterStateFieldPathExpression = wordParser.skipLeadingWhitespace() > 0;
// Parse '='
hasEqualSign = wordParser.startsWith(EQUAL);
if (hasEqualSign) {
wordParser.moveForward(1);
hasSpaceAfterEqualSign = wordParser.skipLeadingWhitespace() > 0;
if (stateFieldExpression != null) {
hasSpaceAfterStateFieldPathExpression = true;
}
}
// Parse new value
newValue = parse(wordParser, NewValueBNF.ID, tolerant);
if (!hasSpaceAfterEqualSign && (newValue != null)) {
hasSpaceAfterEqualSign = true;
}
}
/** {@inheritDoc} */
@Override
protected AbstractExpression buildExpression(
AbstractExpression parent,
WordParser wordParser,
String word,
JPQLQueryBNF queryBNF,
AbstractExpression expression,
boolean tolerant) {
expression = new SqrtExpression(parent);
expression.parse(wordParser, tolerant);
return expression;
}
/** {@inheritDoc} */
@Override
AbstractExpression buildExpression(
AbstractExpression parent,
WordParser wordParser,
String word,
JPQLQueryBNF queryBNF,
AbstractExpression expression,
boolean tolerant) {
expression = new OrderByClause(parent);
expression.parse(wordParser, tolerant);
return expression;
}
/** {@inheritDoc} */
@Override
void parse(WordParser wordParser, boolean tolerant) {
// Parse 'UPDATE'
updateClause = new UpdateClause(this);
updateClause.parse(wordParser, tolerant);
hasSpaceAfterUpdateClause = wordParser.skipLeadingWhitespace() > 0;
// Parse 'WHERE'
if (wordParser.startsWithIdentifier(WHERE)) {
whereClause = new WhereClause(this);
whereClause.parse(wordParser, tolerant);
}
// Now fully qualify attribute names with a virtual identification variable
accept(FullyQualifyPathExpressionVisitor.instance());
}
