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

org.jboss.dna.graph.query.model.BindVariableName
A value bound to a variable name used in a {@link Comparison} constraint.

        final String expectedType = dynamicOperation.getExpectedType();


        // Determine the literal value ...
        Object literalValue = null;
        if (staticOperand instanceof BindVariableName) {
            BindVariableName bindVariable = (BindVariableName)staticOperand;
            String variableName = bindVariable.getVariableName();
            literalValue = variables.get(variableName); // may be null
        } else {
            Literal literal = (Literal)staticOperand;
            literalValue = literal.getValue();
        }

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         * 
         * @param variableName the name of the variable
         * @return the constraint builder; never null
         */
        public AndBuilder<UpperBoundary> variable( String variableName ) {
            return new AndBuilder<UpperBoundary>(new UpperBoundary(comparisonBuilder, new BindVariableName(variableName)));
        }

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         *         complete already-started clauses; never null
         */
        public ConstraintBuilder isVariable( Operator operator,
                                             String variableName ) {
            CheckArg.isNotNull(operator, "operator");
            return this.constraintBuilder.setConstraint(new Comparison(left, operator, new BindVariableName(variableName)));
        }

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            if (!XmlCharacters.isValidNcName(value)) {
                Position pos = tokens.previousPosition();
                String msg = GraphI18n.bindVariableMustConformToNcName.text(value, pos.getLine(), pos.getColumn());
                throw new ParsingException(pos, msg);
            }
            return new BindVariableName(value);
        }
        return parseLiteral(tokens, typeSystem);
    }

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         * @param variableName the name of the variable
         * @return the constraint builder; never null
         */
        public ConstraintBuilder variable( String variableName ) {
            return comparisonBuilder.constraintBuilder.setConstraint(new Between(comparisonBuilder.left, lowerBound,
                                                                                 new BindVariableName(variableName)));
        }

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                               StaticOperand operand ) {
        if (operand instanceof Literal) {
            Literal literal = (Literal)operand;
            return literal.getValue();
        }
        BindVariableName variable = (BindVariableName)operand;
        return context.getVariables().get(variable.getVariableName());
    }

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Related Classes of org.jboss.dna.graph.query.model.BindVariableName

org.jboss.dna.graph.query.optimize.RewriteAsRangeCriteria

org.jboss.dna.graph.query.parse.SqlQueryParser

org.jboss.dna.graph.query.process.SelectComponent

org.jboss.dna.graph.query.QueryBuilder$ComparisonBuilder

org.jboss.dna.graph.query.QueryBuilder$LowerBoundary

org.jboss.dna.graph.query.QueryBuilder$UpperBoundary

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