فهرست منبع

HPCC-18117 Update dESDL Tutorial to use IDE and ECL Watch

Signed-off-by: Jim DeFabia <jamesdefabia@lexisnexis.com>
Jim DeFabia 7 سال پیش
والد
کامیت
e4dc048369

+ 440 - 130
docs/DynamicESDL/DynamicESDL_Includer.xml

@@ -92,15 +92,67 @@
     requests and responses, and testing interfaces to allow developers to test
     logic changes, data changes, or new features, as well as to interact with
     the service directly using SOAP, XML, or JSON.</para>
+
+    <para></para>
   </chapter>
 
   <chapter id="DESDLWorkflowTutorial">
-    <title>Workflow Tutorial</title>
+    <title>Dynamic ESDL Workflow Tutorial</title>
+
+    <sect1 id="DESDLBefore" role="nobrk">
+      <title>Before You Begin...</title>
+
+      <para>You will need:</para>
+
+      <itemizedlist>
+        <listitem>
+          <para>Access to an HPCC Cluster (version 6.4.2 or later) that you
+          can reconfigure using Configuration Manager. This can be one running
+          in a Virtual Machine.</para>
+
+          <para>You should have a basic understanding of Configuration Manager
+          and how to use it. You also need access to the server(s) with
+          sufficient rights to modify the environment.</para>
+        </listitem>
+      </itemizedlist>
+
+      <itemizedlist>
+        <listitem>
+          <para>Access to ECL Watch and WsECL (using a browser).</para>
+
+          <para>For purposes of this tutorial, we assume that you know how to
+          submit a published using WsECL.</para>
+        </listitem>
+
+        <listitem>
+          <para>The ECL IDE (version 6.4.2 or later)</para>
+
+          <para>You won't need to know the ECL or ESDL languages to follow the
+          steps in this book, but you will need to understand both to develop
+          dESDL-based applications.</para>
+
+          <para>For purposes of this tutorial, you should know the basics of
+          using the ECL IDE including how to add files to your repository, how
+          to compile ECL Code, and how to publish a compiled query.</para>
+        </listitem>
+      </itemizedlist>
 
-    <sect1 id="DESDLWorkflowOverview" role="nobrk">
+      <para><emphasis role="bold">dESDL and LDAP Security</emphasis></para>
+
+      <para>If your HPCC platform is configured to use LDAP security, you must
+      ensure any user who will be publishing ESDL Definitions has Access to
+      <emphasis role="bold">ESDL configuration service</emphasis> set to
+      <emphasis role="bold">Allow Full</emphasis>, as shown below.</para>
+
+      <para><graphic fileref="images/desdl-LDAP.jpg" /></para>
+
+      <para></para>
+    </sect1>
+
+    <sect1 id="DESDLWorkflowOverview">
       <title>Overview</title>
 
-      <para>In this section, we will:</para>
+      <para>In this tutorial, we will:</para>
 
       <para></para>
 
@@ -113,68 +165,61 @@
         </listitem>
 
         <listitem>
-          <para>Write an ESDL Service Definition.</para>
+          <para>Write an ESDL Service Definition using the editor in the ECL
+          IDE.</para>
 
           <para></para>
         </listitem>
 
         <listitem>
-          <para>Generate ECL from the ESDL Service Definition, copy it to your
-          ECL repository, and the write the ECL query that will deliver the
-          result (the business logic).</para>
+          <para>Generate ECL from the ESDL Service Definition within the ECL
+          IDE.</para>
 
-          <para></para>
+          <para>This step automatically generates an ECL file in your ECL
+          repository. You will use the definitions in that ECL file when you
+          write the ECL query that will deliver the result (the business
+          logic).</para>
         </listitem>
 
         <listitem>
-          <para>Compile the ECL business logic query and publish it to a Roxie
-          cluster.</para>
-
-          <para>At this point you can test the query using WsECL.</para>
+          <para>Write the ECL for the business logic of the query, compile it,
+          and then publish the query to a Roxie cluster.</para>
 
           <para></para>
         </listitem>
 
         <listitem>
-          <para>Publish the Dynamic ESDL definition.</para>
+          <para>Publish the Dynamic ESDL definition from the ECL IDE.</para>
 
           <para></para>
         </listitem>
 
         <listitem>
-          <para>Bind the service methods to the Roxie queries using a
-          configuration XML file.</para>
+          <para>Bind the service methods to the Roxie queries in ECLWatch
+          using an XML formatted configuration.</para>
 
           <para></para>
         </listitem>
       </itemizedlist>
 
-      <para><emphasis role="bold">DESDL and LDAP Security</emphasis></para>
-
-      <para>If your HPCC platform is configured to use LDAP security, you must
-      ensure any user who will be publishing ESDL Definitions has Access to
-      <emphasis role="bold">ESDL configuration service</emphasis> set to
-      <emphasis role="bold">Allow Full</emphasis>, as shown below.</para>
-
-      <para><graphic fileref="images/desdl-LDAP.jpg" /></para>
-
-      <para></para>
-
       <para></para>
     </sect1>
 
     <sect1 id="DESDLConfigureAndBind">
-      <title>Configure and Bind a Dynamic ESDL service</title>
+      <title>Configure and Bind the dESDL Service</title>
 
-      <para>This step adds an ESP service and a service binding that reserves
-      a port for the dynamic ESDL service. This step is independent of the
-      development and publishing of the actual Roxie query, so you can set it
-      up before or after your query is ready.</para>
+      <para>In this portion of the tutorial, we will add an ESP service and a
+      service binding that reserves a port for the dynamic ESDL
+      service.</para>
+
+      <para>This step is independent of the development and publishing of the
+      actual Roxie query, so you can set it up before or after your query is
+      ready.</para>
 
       <orderedlist>
         <listitem>
-          <para>If it is running, stop the HPCC system, using this
-          command:</para>
+          <para>If it is running, stop the HPCC system, using this command in
+          a terminal window:</para>
 
           <programlisting>sudo /etc/init.d/hpcc-init stop</programlisting>
 
@@ -229,9 +274,17 @@
         </listitem>
 
         <listitem>
+          <para>Check the <emphasis role="bold">Write Access</emphasis> box at
+          the top of the page.</para>
+
+          <para>Default access is read-only. Many options are only available
+          when write-access is enabled.</para>
+        </listitem>
+
+        <listitem>
           <para>Right-click on <emphasis role="bold">Esp Services</emphasis>
-          and select <emphasis role="bold">New Esp Services</emphasis> &gt;
-          <emphasis role="bold">Dynamic ESDL</emphasis>.</para>
+          and select <emphasis role="bold">Dynamic ESDL</emphasis> from
+          <emphasis role="bold">New Esp Services.</emphasis></para>
 
           <para><graphic fileref="images/desdl-addDESDL.jpg" /></para>
         </listitem>
@@ -239,7 +292,8 @@
         <listitem>
           <?dbfo keep-together="always"?>
 
-          <para>Provide a name for the service.</para>
+          <para>Change the name for the service. For this tutorial, let's name
+          it <emphasis role="bold">MathService</emphasis>.</para>
 
           <para><graphic fileref="images/dsdl-NametheService.jpg" /></para>
         </listitem>
@@ -247,8 +301,8 @@
         <listitem>
           <?dbfo keep-together="always"?>
 
-          <para>Select your ESP , then select the ESP Service Bindings
-          tab.</para>
+          <para>Select your ESP, then select the <emphasis role="bold">ESP
+          Service Bindings</emphasis> tab.</para>
 
           <para><graphic fileref="images/desdl-ESPSVCBinding.jpg" /></para>
         </listitem>
@@ -263,14 +317,32 @@
         </listitem>
 
         <listitem>
-          <para>Provide a name, port, and then select the service. The service
-          definition you added will display in the list of available
-          services.</para>
+          <para>Provide a name, port, and then select the service from the
+          drop list.</para>
+
+          <para>For this tutorial, name it <emphasis
+          role="bold">MathService</emphasis>, set the port to <emphasis
+          role="bold">8003</emphasis>, and select <emphasis
+          role="bold">MathService</emphasis> from the service drop list. This
+          is service definition you added in an earlier step.</para>
 
           <para><graphic fileref="images/desdl-NameSVCBinding.jpg" /></para>
         </listitem>
 
         <listitem>
+          <para>Press the Save As button and name your new XML file <emphasis
+          role="bold">NewEnvironment</emphasis>.</para>
+
+          <para><graphic fileref="images/desdl-configSaveAs.jpg" /></para>
+        </listitem>
+
+        <listitem>
+          <para>Return to the terminal window and press <emphasis
+          role="bold">ctrl+c</emphasis> to close the Configuration
+          Manager.</para>
+        </listitem>
+
+        <listitem>
           <para>Copy the NewEnvironment.xml file from the source directory to
           the /etc/HPCCSystems and rename the file to environment.xml</para>
 
@@ -307,12 +379,7 @@ sudo cp /etc/HPCCSystems/source/NewEnvironment.xml /etc/HPCCSystems/environment.
           role="bold">/etc/HPCCSystems/</emphasis> on <emphasis
           role="bold">every</emphasis> node.</para>
 
-          <para>You may want to create a script to push out the XML file to
-          all nodes. A sample script is provided with HPCC. The following
-          command copies the XML files out to all nodes as required:</para>
-
-          <para><programlisting>sudo /opt/HPCCSystems/sbin/hpcc-push.sh -s &lt;sourcefile&gt; -t &lt;destinationfile&gt;
-</programlisting></para>
+          <programlisting>sudo /opt/HPCCSystems/sbin/hpcc-push.sh -s &lt;sourcefile&gt; -t &lt;destinationfile&gt;</programlisting>
         </listitem>
 
         <listitem>
@@ -356,13 +423,112 @@ sudo cp /etc/HPCCSystems/source/NewEnvironment.xml /etc/HPCCSystems/environment.
     <sect1 id="DESDLWriteDef">
       <title>Write the ESDL Service Definition</title>
 
-      <para>In this section, we will write a the Service Definitions. The
-      program listing below shows a service called
-      <emphasis>MathService</emphasis>. It contains one method,
-      <emphasis>AddThis</emphasis>, with a simple request and a simple
-      response defined.</para>
+      <para>In this portion of the tutorial, we will write the Service
+      Definitions in the ECL IDE. The program listing below shows an ESDL
+      service called <emphasis>MathService</emphasis>. It contains one method,
+      <emphasis>AddThis</emphasis>, with a request and a response
+      defined.</para>
+
+      <orderedlist>
+        <listitem>
+          <para>Start the ECL IDE (Start &gt;&gt; All Programs &gt;&gt; HPCC
+          Systems &gt;&gt; ECL IDE )</para>
+        </listitem>
+
+        <listitem>
+          <para>Log in to your environment</para>
+        </listitem>
+
+        <listitem>
+          <?dbfo keep-together="always"?>
+
+          <para>Right-click on the <emphasis role="bold">My Files</emphasis>
+          folder in the Repository window, and select <emphasis
+          role="bold">Insert Folder</emphasis> from the pop-up menu.</para>
+
+          <para><figure>
+              <title>Insert Folder</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-insertFolder.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure></para>
+
+          <para>For purposes of this tutorial, let’s create a folder called
+          <emphasis role="bold">MathService</emphasis>.</para>
+        </listitem>
+
+        <listitem>
+          <?dbfo keep-together="always"?>
+
+          <para>Enter <emphasis role="bold">MathService</emphasis> for the
+          label, then press the <emphasis role="bold">OK</emphasis>
+          button.</para>
+
+          <para><figure>
+              <title>Enter Folder Label</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-insertFolder2.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure></para>
+        </listitem>
+
+        <listitem>
+          <para>Right-click on the <emphasis role="bold">MathService
+          </emphasis>folder, and select <emphasis role="bold">Insert
+          File</emphasis> from the pop-up menu.</para>
+        </listitem>
+
+        <listitem>
+          <?dbfo keep-together="always"?>
+
+          <para>Enter <emphasis role="bold">MathService</emphasis> for the
+          label, select <emphasis>ESDL</emphasis> as the <emphasis
+          role="bold">Type</emphasis>, then press the <emphasis
+          role="bold">OK</emphasis> button.</para>
+
+          <para><figure>
+              <title>Insert File</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-insertFile.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure></para>
+
+          <para>An Editor Window opens.</para>
+
+          <para><figure>
+              <title>ESDL file</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-newDESDL.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure></para>
+
+          <para>Notice that some text has been written for you in the
+          window.</para>
+
+          <para></para>
+        </listitem>
+      </orderedlist>
+
+      <?hard-pagebreak ?>
+
+      <orderedlist continuation="continues">
+        <listitem>
+          <para><?dbfo keep-together="always"?>Write the following code,
+          replacing what was written, in the editor workspace :</para>
 
-      <programlisting>ESPservice MathService
+          <para><programlisting>ESPservice [auth_feature("None")]  MathService
 {
   ESPmethod AddThis(AddThisRequest, AddThisResponse);
 };
@@ -377,39 +543,51 @@ ESPresponse AddThisResponse
 {
   int  Answer;
 };
+</programlisting> <figure>
+              <title>ESDL Code in Editor Window</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-codeInEditor.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure></para>
+        </listitem>
 
-</programlisting>
-
-      <orderedlist>
         <listitem>
-          <para>Save the file as MathService.ecm.</para>
-
-          <para></para>
+          <para><?dbfo keep-together="always"?>Save the file using <emphasis
+          role="bold">ctrl+s</emphasis> or the <emphasis role="bold">File
+          &gt;&gt; Save</emphasis> menu option.</para>
+
+          <para>Notice that a new ECL file is now in the repository folder.
+          Saving the ESDL file automatically generated a file named
+          <emphasis>MathService.ecl</emphasis> in the current directory. You
+          could generate this ECl using the dropdown button and selecting
+          <emphasis role="bold">Generate ECL</emphasis>.</para>
+
+          <para><figure>
+              <title>Saving an ESDL file generates ECL</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-saveESDLFile.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure></para>
+
+          <para>This provides the ECL Structures you will IMPORT and use in
+          the ECL code you write to support the service method.</para>
         </listitem>
       </orderedlist>
     </sect1>
 
-    <sect1 id="DESDLGenerateDefs">
-      <title>Generate ECL definitions from the ESDL Service Definition</title>
-
-      <para>In this section, we will generate ECL from this ESDL Service
-      Definition file. This will use the esdl executable that is installed
-      with Client Tools.</para>
-
-      <para>You will find this in C:\Program Files
-      (x86)\HPCCSystems\5.2.0\clienttools\bin on a Windows machine</para>
-
-      <para>or /opt/HPCCSystems/bin/ on a Linux machine.</para>
-
-      <para><orderedlist>
-          <listitem>
-            <para>From the command line, run:</para>
+    <sect1>
+      <title>Writing the ECL</title>
 
-            <para><programlisting>esdl ecl MathService.ecm .</programlisting>This
-            produces a file named MathService.ecl in the current
-            directory</para>
+      <para>First, let's examine the generated ECL code in
+      MathService.ecl.</para>
 
-            <programlisting><emphasis role="green">/*** Not to be hand edited (changes will be lost on re-generation) ***/
+      <programlisting><emphasis role="green">/*** Not to be hand edited (changes will be lost on re-generation) ***/
 /*** ECL Interface generated by esdl2ecl version 1.0 from MathService.xml. ***/
 /*===================================================*/</emphasis>
 
@@ -430,32 +608,118 @@ end;
 /*===================================================*/</emphasis>
 </programlisting>
 
-            <para></para>
+      <para>Notice it created a file named MathService.ecl which has defined a
+      MODULE named MathService. Remember in ECL, the name of the file
+      (MathService) <emphasis>must always exactly match</emphasis> the name of
+      the single EXPORT definition (MathService) contained in that
+      file.</para>
+
+      <para>Next, we will write the ECL code to support the functionality of
+      the AddThis method. We will IMPORT the MathService module and reference
+      the request and response structures.</para>
+
+      <para><orderedlist>
+          <listitem>
+            <para>Right-click on the <emphasis role="bold">MathService
+            </emphasis>Folder, and select <emphasis role="bold">Insert
+            File</emphasis> from the pop-up menu.</para>
           </listitem>
 
           <listitem>
-            <para>Copy the MathService.ecl file to a module in your ECL
-            Repository. For example, myMathService.</para>
+            <para>Enter <emphasis role="bold">AddThis</emphasis> for the
+            label, select <emphasis>ECL</emphasis> as the <emphasis
+            role="bold">Type</emphasis>, then press the <emphasis
+            role="bold">OK</emphasis> button.</para>
+
+            <para>An Editor Window opens.</para>
           </listitem>
 
           <listitem>
             <para>Write ECL to support the service:</para>
 
-            <programlisting>IMPORT MyMathService;
-rec_in := MyMathService.MathService.t_AddThisRequest;
+            <programlisting>IMPORT MathService;
+rec_in := MathService.MathService.t_AddThisRequest;
 
 First_Row := ROW ([], rec_in) : STORED ('AddThisRequest', FEW);
-c:= first_row.FirstNumber + first_row.SecondNumber;
-ds_out := ROW ({c},MyMathService.MathService.t_AddThisResponse);
+
+res:= first_row.FirstNumber + first_row.SecondNumber; 
+ds_out := ROW ({res},MathService.MathService.t_AddThisResponse);
 OUTPUT(ds_out, NAMED('AddThisResponse')); </programlisting>
           </listitem>
 
           <listitem>
-            <para>Compile and Publish to your Roxie cluster.</para>
+            <para><?dbfo  keep-together="always"?>Using the <emphasis
+            role="bold">Target</emphasis> drop list, select
+            <emphasis>Roxie</emphasis> as the Target cluster.</para>
+
+            <para><figure>
+                <title>Target Roxie</title>
+
+                <mediaobject>
+                  <imageobject>
+                    <imagedata fileref="images/desdl-targetRoxie.jpg" />
+                  </imageobject>
+                </mediaobject>
+              </figure></para>
+          </listitem>
+
+          <listitem>
+            <para>In the Builder window, in the upper left corner the
+            <emphasis role="bold">Submit</emphasis> button has a drop down
+            arrow next to it. Select the arrow, then select <emphasis
+            role="bold">Compile</emphasis>.</para>
+
+            <figure>
+              <title>Compile</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-compileService.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure>
+          </listitem>
+
+          <listitem>
+            <para><?dbfo keep-together="always"?>When the workunit finishes,
+            it will display a green circle indicating it has compiled.</para>
+
+            <para><figure>
+                <title>Compiled</title>
+
+                <mediaobject>
+                  <imageobject>
+                    <imagedata fileref="images/desdl-compiled.jpg" />
+                  </imageobject>
+                </mediaobject>
+              </figure></para>
+          </listitem>
+
+          <listitem>
+            <para>Select the workunit tab for the AddThis workunit that you
+            just compiled.</para>
+
+            <para>This opens the workunit in an ECL Watch tab.</para>
+          </listitem>
+
+          <listitem>
+            <para>Press the <emphasis role="bold">Publish</emphasis> action
+            button, then verify the information in the dialog and press
+            <emphasis role="bold">Submit</emphasis>.</para>
+
+            <para><figure>
+                <title>Publish Query</title>
+
+                <mediaobject>
+                  <imageobject>
+                    <imagedata fileref="images/desdl-publishQuery.jpg" />
+                  </imageobject>
+                </mediaobject>
+              </figure>This publishes the AddThis query to the Roxie.</para>
           </listitem>
 
           <listitem>
-            <para>Test the service using WsECL :<programlisting>http://&lt;<emphasis>node ip </emphasis>&gt;:8002 </programlisting></para>
+            <para>Test the service using WsECL :<programlisting>http://&lt;<emphasis>esp ip </emphasis>&gt;:8002 </programlisting></para>
           </listitem>
         </orderedlist></para>
     </sect1>
@@ -464,70 +728,116 @@ OUTPUT(ds_out, NAMED('AddThisResponse')); </programlisting>
       <title>Publish the ESDL Service Definitions and Bind the ESDL
       Service</title>
 
-      <para>In this section, we will publish the ESDL Service definitions to
-      the System Data Store and bind the methods to he published Roxie
-      query.</para>
+      <para>In this portion of the tutorial, we will publish the ESDL Service
+      definitions to the System Data Store and bind the methods to the
+      published Roxie query.</para>
 
       <para><orderedlist>
           <listitem>
-            <para>Publish the Dynamic ESDL definition</para>
+            <para>Open the Dynamic ESDL definition file (MathService.esdl) in
+            the ECL IDE.</para>
+          </listitem>
+
+          <listitem>
+            <para>Press the <emphasis role="bold">Publish</emphasis>
+            button.</para>
 
-            <programlisting>esdl publish MathService MathService.ecm -s nnn.nnn.nnn.nnn -p 8010 --version 1</programlisting>
+            <para>This publishes the ESDL Service definition to the ESP
+            Server. Next we will bind the <emphasis>AddThis</emphasis> method
+            to the <emphasis>AddThis</emphasis> published query.</para>
 
-            <para>Replace nnn.nnn.nnn.nnn with your ECL Watch ESP server's IP
-            address.</para>
+            <para></para>
           </listitem>
 
           <listitem>
-            <para>Create the configuration XML file</para>
-
-            <programlisting>&lt;Methods&gt;
-  &lt;Method name="AddThis" url="&lt;RoxieIPRange&gt;:9876" querytype="roxie" queryname="AddThis"&gt;
-    &lt;!--Optional Method Context Information start--&gt;
-    &lt;Gateways&gt;
-       &lt;Gateway name="mygateway" url="1.1.1.1:2222/someservice/somemethod/&gt;
-       &lt;Gateway name="anothergateway" url="2.2.2.2:9999/someservice/somemethod/&gt;
-    &lt;/Gateways&gt;
-    &lt;!--Optional Method Context Information end--&gt;
-  &lt;/Method&gt;
-&lt;/Methods&gt;</programlisting>
-
-            <para>Where name is the name of your method(s) and url is the
-            Roxie server's IP address and port, finally queryname is the
-            published name (alias) of the query. For a multi-node Roxie, you
-            can use a range in the form of nnn.nnn.nnn.n-nnn. The ESP
-            schedules requests to the target Roxie in a round-robin
-            fashion.</para>
-
-            <para>Optionally, your method could include context information as
-            illustrated in the above example. The context information should
-            be formated such that it is consumable by the target ECL query.
-            The HPCC DESDL ESP does not impose any restrictions on the context
-            information passed in the configuration file other than it must be
-            valid XML.</para>
-
-            <!-- /* Refer to DESDL XML Configurations?  */  Ex. For more information on XXXX see XXXX.-->
+            <para>Open ECL Watch in your browser (&lt;your ESP
+            ip&gt;:8010)</para>
+
+            <para></para>
           </listitem>
 
           <listitem>
-            <para>Save the file as MathSvcCfg.xml</para>
+            <para>Select the Operations tab, then select <emphasis
+            role="bold">Dynamic ESDL</emphasis>.</para>
+
+            <para><figure>
+                <title>Dynamic ESDL in ECLWatch</title>
+
+                <mediaobject>
+                  <imageobject>
+                    <imagedata fileref="images/desdl-ECLWatch1.jpg" />
+                  </imageobject>
+                </mediaobject>
+              </figure></para>
           </listitem>
 
           <listitem>
-            <para>Bind the service methods to the queries using a the
-            configuration XML.</para>
+            <para><?dbfo keep-together="always"?>Select the <emphasis
+            role="bold">Dynamic ESDL</emphasis> Tab, then expand
+            <emphasis>myesp</emphasis> by clicking on the triangle next to
+            it.</para>
 
-            <programlisting>esdl bind-service myesp 8003 MathService.1 MathService --config MathSvcCfg.xml 
-                  -s nnn.nnn.nnn.nnn -p 8010
-</programlisting>
+            <figure>
+              <title>Add Binding</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-addBinding.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure>
 
-            <para>Where myesp is the name of your ESP process, 8003 is the
-            port you reserved for your Dynamic ESDL service.</para>
+            <para></para>
+          </listitem>
+
+          <listitem>
+            <para>Press the <emphasis role="bold">Add Binding</emphasis>
+            button, then select <emphasis>MathService.1</emphasis> from the
+            drop list and press the <emphasis role="bold">Apply</emphasis>
+            button.</para>
+
+            <para></para>
+          </listitem>
+
+          <listitem>
+            <para>Select the <emphasis role="bold">Binding</emphasis> tab,
+            then expand <emphasis>AddThis</emphasis> by clicking on the
+            triangle next to it.</para>
 
             <para></para>
           </listitem>
 
           <listitem>
+            <para>Provide the Method Configuration (in XML format) in the text
+            box.</para>
+
+            <para><emphasis role="bold">Note: You must replace
+            &lt;RoxieIPRange&gt; with the IP Range of your Roxie
+            servers.</emphasis></para>
+
+            <programlisting>&lt;Method name="AddThis"
+        queryname="AddThis"
+        querytype="roxie"
+        url="http://<emphasis role="bold">&lt;RoxieIPRange&gt;</emphasis>:9876"/&gt;
+</programlisting>
+
+            <figure>
+              <title>Method Configuration</title>
+
+              <mediaobject>
+                <imageobject>
+                  <imagedata fileref="images/desdl-methodConfiguration.jpg" />
+                </imageobject>
+              </mediaobject>
+            </figure>
+          </listitem>
+
+          <listitem>
+            <para>Press the <emphasis role="bold">Save</emphasis>
+            button.</para>
+          </listitem>
+
+          <listitem>
             <para>Test the service using the new interface:<programlisting>http://&lt;<emphasis>node ip </emphasis>&gt;:8003</programlisting></para>
           </listitem>
         </orderedlist></para>

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