HPD - Provider Information Directory

We did not implement our own LDAP directory but make use of the ApacheDS open source tool which supports LDAP3 and DSMLv2 queries.

Nevertheless, we have implemented the web service part of the Provider Information Directory as stated in the IHE Technical Framework.

SOAP web service: Provider Information Directory Service

SOAP interface is available and has been developed to respect the web service definition specified by IHE. You will access the Provider Information Directory Service at the following location: http://ovh1.ihe-europe.net:8180/HPDSimulator-ejb/ProviderInformationDirectory_Service/ProviderInformationDirectory_PortType?wsdl

This service offers the following methods:

  • ProviderInformationQueryRequest: it accepts batchRequest messages containing searchRequest elements

  • ProviderInformationFeedRequest : it accpets bachRequest messages containing addRequest, delRequest, modifyRequest and/or modDNRequest elements

Link with the LDAP Server

The Provider Information Directory Service is a front-end to the LDAP server configured as described in the first section of this document. The body part of the SOAP message is analysed and forwarded to ApacheDS through its DSML connector.

The received request may raise errors in ApacheDS which will be reported in the batchResponse returned by the tool; in that case, the error is stored in our database and the response is formatted to fit IHE requirements (no error message are sent back to the sender).

To verify that his/her query does not raise errors in the LDAP server, the user will be allowed to browse the logs under Simulators → Provider Information Directory → LDAP Server error logs.

Configuration

How to configure the LDAP Server (ApacheDS) and how to link the simulator and ApacheDS is explained in the Installation & Configuration manual of the tool and these actions shall only be performed by an administrator of the tool. If you feel like something is missing or goes wrong, feel free to contact the administator od the tool.

Sequence diagram

To better explain the workflow triggered by a call to the Provider Information Directory Service, a sequence diagram has been generated, see below.

sequence diagram