26 SDO_OLS Package (OpenLS)

The MDSYS.SDO_OLS package contains subprograms for Spatial and Graph OpenLS support.

To use the subprograms in this chapter, you must understand the conceptual and usage information about OpenLS in Chapter 14.

Table 26-1 lists the OpenLS subprograms.

Table 26-1 Subprograms for OpenLS Support

Subprogram	Description
SDO_OLS.MakeOpenLSClobRequest	Submits an OpenLS request using a CLOB object, and returns the result as a CLOB object.
SDO_OLS.MakeOpenLSRequest	Submits an OpenLS request using an XMLType object, and returns the result as an XMLType object.

The rest of this chapter provides reference information on the subprograms, listed in alphabetical order.

SDO_OLS.MakeOpenLSClobRequest

Format

SDO_OLS.MakeOpenLSClobRequest(

request IN CLOB

) RETURN CLOB;

Description

Submits an OpenLS request using a CLOB object, and returns the result as a CLOB object.

Parameters

request: OpenLS request in the form of a CLOB object.

Usage Notes

To specify the input request as an XMLType object to return an XMLType object, use the SDO_OLS.MakeOpenLSRequest function.

For information about OpenLS support, see Chapter 14.

Examples

The following example requests the nearest business, in a specified category (that is, with specified SIC_code value), to a specified location (longitude: -122.4083257, latitude: 37.788208).

DECLARE
  request CLOB;
  result CLOB;
BEGIN
request := TO_CLOB(
'<?xml version="1.0" encoding="UTF-8"?>
<XLS xmlns="http://www.opengis.net/xls" xmlns:gml="http://www.opengis.net/gml" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.1">
 <RequestHeader clientName="someName" clientPassword="password"/>
 <Request requestID="123" maximumResponses="100" version="1.1" 
      methodName="DirectoryRequest">
  <DirectoryRequest>
   <POILocation>
    <Nearest nearestCriterion="Proximity">
     <Position>
      <gml:Point xmlns:gml="http://www.opengis.net/gml">
       <gml:pos dimension="2" srsName="4326">-122.4083257 37.788208</gml:pos>
      </gml:Point>
     </Position>
    </Nearest>
   </POILocation>
   <POIProperties>
    <POIProperty name="SIC_code" value="1234567890"/>
   </POIProperties>
  </DirectoryRequest>
 </Request>
</XLS>');
 
result := SDO_OLS.makeOpenLSClobRequest(request);
 
END;
/

SDO_OLS.MakeOpenLSRequest

Format

SDO_OLS.MakeOpenLSRequest(

request IN XMLTYPE

) RETURN XMLTYPE;