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    <p>Hello,</p>
    <p>I'd suggest staying with the delta builder, it's much simpler to
      use.</p>
    <p>The approach #1 should work, with this change:</p>
    <p>def delta = DeltaBuilder.deltaFor(UserType.class, prismContext)<br>
                              .item("nickName").replace(new
      PolyString(alias))<br>
                              .item(<b>"extension", "aliasEmail"</b>).delete(alias)<br>
                              .asObjectDelta(input.oid);<br>
    </p>
    <p>Best regards,<br>
    </p>
    <pre class="moz-signature" cols="72">Pavol Mederly
Software developer
evolveum.com
</pre>
    <div class="moz-cite-prefix">On 31.05.2019 7:19, Jan Vaňáček - AMI
      Praha a.s. wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:5b2f2d86120fd3ef36a478591ecacb73@mail.gmail.com">
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      <div class="WordSection1">
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US">Here
            is an example of deleting extension property:</span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US"> </span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US">                
            branchValue = basic.getExtensionPropertyValue(input, '<a
              href="http://mhmp.cz/xml/ns/midpoint/schema/extension-3"
              moz-do-not-send="true">http://mhmp.cz/xml/ns/midpoint/schema/extension-3</a>'
            , 'branch'); </span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US">                 modifyTypeDelta
            =
            ObjectDelta.createModificationDeleteProperty(UserType.class,
            input.oid, new ItemPath(new
            ItemPath(PrismConstants.EXTENSION_LOCAL_NAME),new QName('<a
              href="http://mhmp.cz/xml/ns/midpoint/schema/extension-3"
              moz-do-not-send="true">http://mhmp.cz/xml/ns/midpoint/schema/extension-3</a>',
            'branch')), midpoint.getPrismContext(), branchValue);</span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US">                
            midpoint.executeChanges(modifyTypeDelta);</span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US"> </span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US">Just
            use your correct extension namespace.</span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US"> </span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US">JAVA</span></p>
        <p class="MsoNormal"><span style="mso-fareast-language:EN-US"> </span></p>
        <p class="MsoNormal"><b>From:</b> midPoint <<a
            href="mailto:midpoint-bounces@lists.evolveum.com"
            moz-do-not-send="true">midpoint-bounces@lists.evolveum.com</a>>
          <b>On Behalf Of </b>Alcides Carlos de Moraes Neto<br>
          <b>Sent:</b> Thursday, May 30, 2019 10:09 PM<br>
          <b>To:</b> midpoint <<a
            href="mailto:midpoint@lists.evolveum.com"
            moz-do-not-send="true">midpoint@lists.evolveum.com</a>><br>
          <b>Subject:</b> [midPoint] How to create delta for extension
          properties?</p>
        <p class="MsoNormal"> </p>
        <div>
          <div>
            <p class="MsoNormal">Hello list,</p>
          </div>
          <div>
            <p class="MsoNormal"> </p>
          </div>
          <div>
            <p class="MsoNormal">I need to check and clear some invalid
              values in our user extension properties. I have done a
              bulk action script for this, but I'm failing at creating
              the delta. I have tried two approaches, but they both fail
              with an IllegalArgumentException</p>
          </div>
          <div>
            <p class="MsoNormal">1)</p>
          </div>
          <div>
            <div>
              <p class="MsoNormal">def delta =
                DeltaBuilder.deltaFor(UserType.class, prismContext)<br>
                                        .item("nickName").replace(new
                PolyString(alias))</p>
            </div>
            <div>
              <p class="MsoNormal">                       
                .item("extension/aliasEmail").delete(alias)</p>
            </div>
            <div>
              <p class="MsoNormal">                       
                .asObjectDelta(input.oid);<br>
                midpoint.modifyObject(delta);</p>
            </div>
            <div>
              <p class="MsoNormal"> </p>
            </div>
            <div>
              <p class="MsoNormal">2)</p>
            </div>
          </div>
          <div>
            <p class="MsoNormal">def delta =
              DeltaBuilder.deltaFor(UserType.class, prismContext)<br>
                                      .item("nickName").replace(new
              PolyString(alias))<br>
                                      .asObjectDelta(input.oid);<br>
delta.addModification(DeltaBuilder.deltaFor(ExtensionType.class,
              prismContext).item("aliasEmail")</p>
          </div>
          <div>
            <p class="MsoNormal">                        
              .delete(alias).asItemDelta());<br>
              midpoint.modifyObject(delta);</p>
          </div>
          <div>
            <p class="MsoNormal"> </p>
          </div>
          <div>
            <p class="MsoNormal">The exception:</p>
          </div>
          <div>
            <p class="MsoNormal"> </p>
          </div>
          <div>
            <p class="MsoNormal"><span class="gmail-message">2019-05-30T17:07:23.644
                ERROR
                [com.evolveum.midpoint.model.common.expression.script.ScriptExpression]
                (http-nio-8080-exec-5) Expression error:
                java.lang.IllegalArgumentException: Undefined or dynamic
                path: aliasEmail in: CTD
                ({.../common/common-3}ExtensionType) in in
                'execute-script' action</span></p>
          </div>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
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