lib/Query/Common/CriterionVisitor/MapLocation/MapLocationDistanceIn.php
public function visit(Criterion $criterion, CriterionVisitor $subVisitor = null)
    {
        /** @var \eZ\Publish\API\Repository\Values\Content\Query\Criterion\Value\MapLocationValue $location */
        $location = $criterion->valueData;
        $criterion->value = (array)$criterion->value;

        $searchFields = $this->getSearchFields(
            $criterion,
            $criterion->target,
            $this->fieldTypeIdentifier,
            $this->fieldName
        );

        if (empty($searchFields)) {
            throw new InvalidArgumentException(
                '$criterion->target',
                "No searchable fields found for the given criterion target '{$criterion->target}'."
            );
        }

        $queries = array();
        foreach ($criterion->value as $value) {
            foreach ($searchFields as $name => $fieldType) {
                $queries[] = sprintf('geodist(%s,%F,%F):%s', $name, $location->latitude, $location->longitude, $value);
            }
        }

        return '(' . implode(' OR ', $queries) . ')';
    }
public function visit(Criterion $criterion, CriterionVisitor $subVisitor = null)
    {
        /** @var \eZ\Publish\API\Repository\Values\Content\Query\Criterion\Value\MapLocationValue $location */
        $location = $criterion->valueData;
        $criterion->value = (array)$criterion->value;

        $searchFields = $this->getSearchFields(
            $criterion,
            $criterion->target,
            $this->fieldTypeIdentifier,
            $this->fieldName
        );

        if (empty($searchFields)) {
            throw new InvalidArgumentException(
                '$criterion->target',
                "No searchable fields found for the given criterion target '{$criterion->target}'."
            );
        }

        $queries = array();
        foreach ($criterion->value as $value) {
            foreach ($searchFields as $name => $fieldType) {
                $queries[] = sprintf('geodist(%s,%F,%F):%s', $name, $location->latitude, $location->longitude, $value);
            }
        }

        return '(' . implode(' OR ', $queries) . ')';
    }
Map field value to a proper Solr representation.

@throws \eZ\Publish\Core\Base\Exceptions\InvalidArgumentException If no searchable fields are found for the given criterion target.

@param \eZ\Publish\API\Repository\Values\Content\Query\Criterion $criterion
@param \EzSystems\EzPlatformSolrSearchEngine\Query\CriterionVisitor $subVisitor

@return string