Package org.jboss.dna.graph.query.model

Examples of org.jboss.dna.graph.query.model.Operator

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        if (constraint instanceof Comparison) {
            Comparison comparison = (Comparison)constraint;

            // Create the correct dynamic operation ...
            DynamicOperation dynamicOperation = createDynamicOperation(types, schemata, columns, comparison.getOperand1());
            Operator operator = comparison.getOperator();
            StaticOperand staticOperand = comparison.getOperand2();
            return createChecker(types, schemata, columns, dynamicOperation, operator, staticOperand);
        }
        if (constraint instanceof SetCriteria) {
            SetCriteria setCriteria = (SetCriteria)constraint;
            DynamicOperation dynamicOperation = createDynamicOperation(types, schemata, columns, setCriteria.getLeftOperand());
            Operator operator = Operator.EQUAL_TO;
            final List<ConstraintChecker> checkers = new LinkedList<ConstraintChecker>();
            for (StaticOperand setValue : setCriteria.getRightOperands()) {
                ConstraintChecker rightChecker = createChecker(types, schemata, columns, dynamicOperation, operator, setValue);
                assert rightChecker != null;
                checkers.add(rightChecker);
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                        StaticOperand upperBound = parseStaticOperand(tokens, typeSystem);
                        boolean upperInclusive = !tokens.canConsume("EXCLUSIVE");
                        constraint = new Between(left, lowerBound, upperBound, lowerInclusive, upperInclusive);
                        if (not) constraint = new Not(constraint);
                    } else {
                        Operator operator = parseComparisonOperator(tokens);
                        StaticOperand right = parseStaticOperand(tokens, typeSystem);
                        constraint = new Comparison(left, operator, right);
                    }
                }
                // else continue ...
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    }

    protected Component parseComparisonExpr( TokenStream tokens ) {
        Component result = parseRangeExpr(tokens);
        // General comparison is optional ...
        Operator operator = parseGeneralComp(tokens);
        if (operator == null) parseValueComp(tokens);
        if (operator != null) {
            return new Comparison(result, operator, parseRangeExpr(tokens));
        }
        NodeComparisonOperator nodeComp = parseNodeComp(tokens);
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            tableName = alias;
        } else if (predicate instanceof Comparison) {
            Comparison comparison = (Comparison)predicate;
            Component left = comparison.getLeft();
            Component right = comparison.getRight();
            Operator operator = comparison.getOperator();
            if (left instanceof Literal) {
                Component temp = left;
                left = right;
                right = temp;
                operator = operator.getReverse();
            }
            if (left instanceof AttributeNameTest) {
                AttributeNameTest attribute = (AttributeNameTest)left;
                String propertyName = nameFrom(attribute.getNameTest());
                if (right instanceof Literal) {
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Related Classes of org.jboss.dna.graph.query.model.Operator

  • org.jboss.dna.graph.query.parse.SqlQueryParser
  • org.jboss.dna.graph.query.process.SelectComponent
  • org.jboss.dna.jcr.xpath.XPathParser
  • org.jboss.dna.jcr.xpath.XPathToQueryTranslator
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