Release 5 Draft Ballot

Operation-medicinalproductdefinition-everything.xml

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Operation Definition

<?xml version="1.0" encoding="UTF-8"?>

<OperationDefinition xmlns="http://hl7.org/fhir">
  <id value="MedicinalProductDefinition-everything"/> 
  <text> 
    <status value="extensions"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <h2> everything</h2> 
      <p> OPERATION: everything</p> 
      <p> The official URL for this operation definition is: </p> 
      <pre> http://hl7.org/fhir/OperationDefinition/MedicinalProductDefinition-everything</pre> 
      <div> 
        <p> This operation is used to return all the information related to one or more products described
           in the resource or context on which this operation is invoked. The response is a bundle
           of type &quot;searchset&quot;. At a minimum, the product resource(s) itself is returned,
           along with any other resources that the server has that are related to the products(s),
           and that are available for the given user. This is typically the marketing authorisations,
           ingredients, packages, therapeutic indications and so on. The server also returns whatever
           resources are needed to support the records - e.g. linked organizations, document references
           etc.</p> 

      </div> 
      <p> URL: [base]/MedicinalProductDefinition/$everything</p> 
      <p> URL: [base]/MedicinalProductDefinition/[id]/$everything</p> 
      <p> Parameters</p> 
      <table class="grid">
        <tr> 
          <td> 
            <b> Use</b> 
          </td> 
          <td> 
            <b> Name</b> 
          </td> 
          <td> 
            <b> Cardinality</b> 
          </td> 
          <td> 
            <b> Type</b> 
          </td> 
          <td> 
            <b> Binding</b> 
          </td> 
          <td> 
            <b> Documentation</b> 
          </td> 
        </tr> 
        <tr> 
          <td> IN</td> 
          <td> _since</td> 
          <td> 0..1</td> 
          <td> 
            <a href="datatypes.html#instant">instant</a> 
          </td> 
          <td/>  
          <td> 
            <div> 
              <p> Resources updated after this period will be included in the response. The intent of this
                 parameter is to allow a client to request only records that have changed since the last
                 request, based on either the return header time, or or (for asynchronous use), the transaction
                 time</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td> IN</td> 
          <td> _count</td> 
          <td> 0..1</td> 
          <td> 
            <a href="datatypes.html#integer">integer</a> 
          </td> 
          <td/>  
          <td> 
            <div> 
              <p> See discussion below on the utility of paging through the results of the $everything operation</p> 

            </div> 
          </td> 
        </tr> 
        <tr> 
          <td> OUT</td> 
          <td> return</td> 
          <td> 1..1</td> 
          <td> 
            <a href="bundle.html">Bundle</a> 
          </td> 
          <td/>  
          <td> 
            <div> 
              <p> The bundle type is &quot;searchset&quot;</p> 

            </div> 
          </td> 
        </tr> 
      </table> 
      <div> 
        <p> The key differences between this operation and simply performing a search and using _include
           and _revinclude are:</p> 

        <ul> 

          <li> unless the client requests otherwise, the server returns the entire result set in a single
             bundle (rather than using paging)</li> 

          <li> the server is responsible for determining what resources to return as included resources
             (rather than the client specifying which ones).</li> 

        </ul> 

        <p> This frees the client from needing to determine what it could or should ask for, particularly
           with regard to included resources. It also makes for a much shorter and easier to construct
           query string. Servers should consider returning appropriate Provenance and AuditTrail
           on the returned resources, even though these are not directly part of the product data.</p> 

        <p> When this operation is used to access multiple product records at once, the return bundle
           could be rather a lot of data; servers may choose to require that such requests are made
           
          <a href="async.html">asynchronously</a> , and associated with 
          <a href="formats.html#bulk">bulk data formats</a> . Alternatively, clients may choose to page through the result set (or servers may require
           this). Paging through the results is done the same as for 
          <a href="http.html#paging">Searching</a> , using the 
          <a href="search.html#count">_count</a>  parameter, and Bundle links. Implementers should note that paging will be slower than
           simply returning all the results at once (more network traffic, multiple latency delays)
           but may be required in order not to exhaust available memory reading or writing the whole
           response in a single package. Unlike searching, there is no inherent user-display order
           for the $everything operation. Servers might consider sorting the returned resources in
           descending order of last record update, but are not required to do so.
        </p> 

        <p> The _since parameter is provided to support periodic queries to get additional information
           that has changed about the product since the last query. This means that the _since parameter
           is based on record time. The value of the _since parameter should be set to the time from
           the server. If using direct response, this is the timestamp in the response header. If
           using the async interface, this is the transaction timestamp in the json response. Servers
           should ensure that the timestamps a managed such that the client does not miss any changes.
           Clients should be able to handle getting the same response more than once in the case
           that the transaction falls on a time boundary. Clients should ensure that the other query
           parameters are constant to ensure a coherent set of records when doing periodic queries.</p> 

      </div> 
    </div> 
  </text> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use"/> 
  </extension> 
  <url value="http://hl7.org/fhir/OperationDefinition/MedicinalProductDefinition-everything"/> 
  <version value="4.6.0"/> 
  <name value="everything"/> 
  <title value="Fetch Product Record"/> 
  <status value="draft"/> 
  <kind value="operation"/> 
  <date value="2021-05-10T22:32:37+00:00"/> 
  <publisher value="HL7 (FHIR Project)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
    <telecom> 
      <system value="email"/> 
      <value value="fhir@lists.hl7.org"/> 
    </telecom> 
  </contact> 
  <description value="This operation is used to return all the information related to one or more products described
   in the resource or context on which this operation is invoked. The response is a bundle
   of type &quot;searchset&quot;. At a minimum, the product resource(s) itself is returned,
   along with any other resources that the server has that are related to the products(s),
   and that are available for the given user. This is typically the marketing authorisations,
   ingredients, packages, therapeutic indications and so on. The server also returns whatever
   resources are needed to support the records - e.g. linked organizations, document references
   etc."/> 
  <affectsState value="false"/> 
  <code value="everything"/> 
  <comment value="The key differences between this operation and simply performing a search and using _include
   and _revinclude are:    

* unless the client requests otherwise, the server returns the entire result set in a
   single bundle (rather than using paging)  
* the server is responsible for determining what resources to return as included resources
   (rather than the client specifying which ones). 

This frees the client from needing to determine what it could or should ask for, particularly
   with regard to included resources. It also makes for a much shorter and easier to construct
   query string. Servers should consider returning appropriate Provenance and AuditTrail
   on the returned resources, even though these are not directly part of the product data.
   

When this operation is used to access multiple product records at once, the return bundle
   could be rather a lot of data; servers may choose to require that such requests are made
   [asynchronously](async.html), and associated with [bulk data formats](formats.html#bulk).
   Alternatively, clients may choose to page through the result set (or servers may require
   this). Paging through the results is done the same as for [Searching](http.html#paging),
   using the [_count](search.html#count) parameter, and Bundle links. Implementers should
   note that paging will be slower than simply returning all the results at once (more network
   traffic, multiple latency delays) but may be required in order not to exhaust available
   memory reading or writing the whole response in a single package. Unlike searching, there
   is no inherent user-display order for the $everything operation. Servers might consider
   sorting the returned resources in descending order of last record update, but are not
   required to do so.

The _since parameter is provided to support periodic queries to get additional information
   that has changed about the product since the last query. This means that the _since parameter
   is based on record time. The value of the _since parameter should be set to the time from
   the server. If using direct response, this is the timestamp in the response header. If
   using the async interface, this is the transaction timestamp in the json response. Servers
   should ensure that the timestamps a managed such that the client does not miss any changes.
   Clients should be able to handle getting the same response more than once in the case
   that the transaction falls on a time boundary. Clients should ensure that the other query
   parameters are constant to ensure a coherent set of records when doing periodic queries."/> 
  <resource value="MedicinalProductDefinition"/> 
  <system value="false"/> 
  <type value="true"/> 
  <instance value="true"/> 
  <parameter> 
    <name value="_since"/> 
    <use value="in"/> 
    <min value="0"/> 
    <max value="1"/> 
    <documentation value="Resources updated after this period will be included in the response. The intent of this
     parameter is to allow a client to request only records that have changed since the last
     request, based on either the return header time, or or (for asynchronous use), the transaction
     time"/> 
    <type value="instant"/> 
  </parameter> 
  <parameter> 
    <name value="_count"/> 
    <use value="in"/> 
    <min value="0"/> 
    <max value="1"/> 
    <documentation value="See discussion below on the utility of paging through the results of the $everything operation"/> 
    <type value="integer"/> 
  </parameter> 
  <parameter> 
    <name value="return"/> 
    <use value="out"/> 
    <min value="1"/> 
    <max value="1"/> 
    <documentation value="The bundle type is &quot;searchset&quot;"/> 
    <type value="Bundle"/> 
  </parameter> 
</OperationDefinition> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.