List of valueExpression() Examples

Examples of valueExpression()

de.fuberlin.wiwiss.d2rq.algebra.Attribute.valueExpression()
de.fuberlin.wiwiss.d2rq.expr.Expression.valueExpression()
de.fuberlin.wiwiss.d2rq.values.BlankNodeID.valueExpression()
de.fuberlin.wiwiss.d2rq.values.Pattern.valueExpression()
de.fuberlin.wiwiss.d2rq.values.ValueMaker.valueExpression()
A SQL expression that selects only rows where this value maker produces the specified value. {@link Expression#FALSE} if thisvalue maker is incapable of producing the value. @param value A value @return An expression that selects rows that produce this value

Examples of de.fuberlin.wiwiss.d2rq.values.ValueMaker.valueExpression()

        }
        boolean empty = nm.selectNode(node, RelationalOperators.DUMMY).equals(NodeMaker.EMPTY);
        logger.debug("result " + new Boolean(empty));
        if (!empty) {
          if (node.isURI())
            expression.push(new Negation(vm.valueExpression(node.getURI())));
          else if (node.isLiteral()) {
            if (XSD.isSupported(node.getLiteralDatatype()))
              expression.push(new Negation(vm.valueExpression(constant.value())));
            else // type = boolean or an unknown type
              conversionFailed("cannot compare values of type " + node.getLiteralDatatypeURI(), expr);

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Examples of de.fuberlin.wiwiss.d2rq.values.ValueMaker.valueExpression()

        if (!empty) {
          if (node.isURI())
            expression.push(new Negation(vm.valueExpression(node.getURI())));
          else if (node.isLiteral()) {
            if (XSD.isSupported(node.getLiteralDatatype()))
              expression.push(new Negation(vm.valueExpression(constant.value())));
            else // type = boolean or an unknown type
              conversionFailed("cannot compare values of type " + node.getLiteralDatatypeURI(), expr);
          } else
            conversionFailed(expr); // TODO blank nodes?
          return;

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Examples of de.fuberlin.wiwiss.d2rq.values.ValueMaker.valueExpression()

                
        boolean empty = nm.selectNode(node, RelationalOperators.DUMMY).equals(NodeMaker.EMPTY);
        logger.debug("result " + new Boolean(empty));
        if (!empty) {
          if (node.isURI())
            expression.push(vm.valueExpression(node.getURI()));
          else if (node.isLiteral())
            expression.push(vm.valueExpression(constant.value()));
          else
            conversionFailed(expr); // TODO blank nodes?
          return;

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Examples of de.fuberlin.wiwiss.d2rq.values.ValueMaker.valueExpression()

        logger.debug("result " + new Boolean(empty));
        if (!empty) {
          if (node.isURI())
            expression.push(vm.valueExpression(node.getURI()));
          else if (node.isLiteral())
            expression.push(vm.valueExpression(constant.value()));
          else
            conversionFailed(expr); // TODO blank nodes?
          return;
        } else {
          expression.push(Expression.FALSE);

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