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Jayson Vantuyl
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Mar 6, 2009
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@@ -15,7 +15,7 @@ <h1 class="title">Example Workflow</h1> | |
| <div><div class="comment indent"><!--<div class="indent"> Example Workflow for Vertebra</div>--></div></div><div><div class="element hotzone indent" target="workflow"><<span class="tag">workflow</span> <span class="attrkey">name</span>=<span class="attrval">"/sales/accept_order"</span> <span class="attrkey">start</span>=<span class="attrval">"get_data"</span>><div class="indent"> Sales: Receive Order</div><div class="indent"></div><div class="indent"> Receives an order and gets things rolling.</div><div class="indent"></div><div class="element hotzone indent" target="global,import"><<span class="tag">import</span>><div class="element hotzone indent" target="type,res,assert"><<span class="tag">res</span> <span class="attrkey">assert</span>=<span class="attrval">"company"</span>>/company/engineyard"</<span class="tag">res</span>></div><div class="element hotzone indent" target="type,res,assert"><<span class="tag">res</span> <span class="attrkey">assert</span>=<span class="attrval">"location"</span>>/us</<span class="tag">res</span>></div><div class="element hotzone indent" target="type,i4,assert"><<span class="tag">i4</span> <span class="attrkey">assert</span>=<span class="attrval">"api_version"</span>>5</<span class="tag">i4</span>></div><div class="indent"></div><div class="element hotzone indent" target="type,string,import_from"><<span class="tag">string</span> <span class="attrkey">from</span>=<span class="attrval">"name"</span>>Id of Customer</<span class="tag">string</span>></div><div class="element hotzone indent" target="type,string,import_from"><<span class="tag">string</span> <span class="attrkey">from</span>=<span class="attrval">"location"</span>>Resource Giving Location Information</<span class="tag">string</span>></div><div class="element hotzone indent" target="type,list,import_from"><<span class="tag">list</span> <span class="attrkey">from</span>=<span class="attrval">"items"</span>>Line Items Ordered</<span class="tag">list</span>></div><div class="indent"></div><div class="element hotzone indent" target="type,i4,stuffed"><<span class="tag">i4</span> <span class="attrkey">key</span>=<span class="attrval">"lucky_number"</span>>42</<span class="tag">i4</span>></div></<span class="tag">import</span>></div><div class="indent"></div><div class="comment indent"><!-- We don't have any global <export /> tag --></div><div class="indent"></div><div class="element hotzone indent" target="state"><<span class="tag">state</span> <span class="attrkey">id</span>=<span class="attrval">"get_data"</span>><div class="indent"> First, we have to load the contact data from our CRM.</div><div class="indent"></div><div class="element hotzone indent" target="op"><<span class="tag">op</span> <span class="attrkey">type</span>=<span class="attrval">"/sales/crm/find_contact_data"</span> <span class="attrkey">scope</span>=<span class="attrval">"single"</span>><div class="element hotzone indent" target="op_input"><<span class="tag">import</span>><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"contact"</span> <span class="attrkey">from</span>=<span class="attrval">"name"</span> /></div><span class="element"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"type"</span>>customer</<span class="tag">string</span>></span><div class="comment indent"><!-- hardcoded value --></div></<span class="tag">import</span>></div><div class="element hotzone indent" target="op_export"><<span class="tag">export</span>><div class="element indent"><<span class="tag">first</span> <span class="attrkey">key</span>=<span class="attrval">"contact_id"</span> <span class="attrkey">to</span>=<span class="attrval">"cust_id"</span> /></div><span class="element"><<span class="tag">bool</span> <span class="attrkey">assert</span>=<span class="attrval">"error"</span>>false</<span class="tag">bool</span>></span><div class="comment indent"><!-- asserted output --></div></<span class="tag">export</span>></div></<span class="tag">op</span>></div><div class="element indent"><<span class="tag">emit</span>><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"message"</span>>Located customer data...</<span class="tag">string</span>></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">from</span>=<span class="attrval">"contact_id"</span> /></div></<span class="tag">emit</span>></div><div class="element indent"><<span class="tag">trans</span>><div class="element indent"><<span class="tag">state</span>>process_data</<span class="tag">state</span>></div></<span class="tag">trans</span>></div></<span class="tag">state</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">state</span> <span class="attrkey">id</span>=<span class="attrval">"process_data"</span>><div class="indent"> Now we dispatch the order to the CRM. emit some status, and a log.</div><div class="indent"></div><div class="element indent"><<span class="tag">op</span> <span class="attrkey">type</span>=<span class="attrval">"/sales/crm/add_order"</span> <span class="attrkey">scope</span>=<span class="attrval">"single"</span>><div class="element indent"><<span class="tag">import</span>><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"contact_id"</span> <span class="attrkey">from</span>=<span class="attrval">"cust_id"</span> /></div><span class="element"><<span class="tag">list</span> <span class="attrkey">from</span>=<span class="attrval">"items"</span> /></span><div class="comment indent"><!-- key defaults to imported key --></div></<span class="tag">import</span>></div><div class="element indent"><<span class="tag">export</span>><div class="element indent"><<span class="tag">first</span> <span class="attrkey">key</span>=<span class="attrval">"order_id"</span> /></div><div class="element indent"><<span class="tag">first</span> <span class="attrkey">key</span>=<span class="attrval">"confirmation_code"</span> <span class="attrkey">to</span>=<span class="attrval">"ccode"</span> /></div></<span class="tag">export</span>></div></<span class="tag">op</span>></div><div class="element indent"><<span class="tag">emit</span> <span class="attrkey">log_keys</span>=<span class="attrval">"app,location,cust_id,order_id"</span> <span class="attrkey">log_vals</span>=<span class="attrval">"ccode"</span>><div class="element indent"><<span class="tag">res</span> <span class="attrkey">key</span>=<span class="attrval">"app"</span>>/sales/crm</<span class="tag">res</span>></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">from</span>=<span class="attrval">"cust_id"</span> /></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">from</span>=<span class="attrval">"location"</span> /></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">from</span>=<span class="attrval">"order_id"</span> /></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">from</span>=<span class="attrval">"ccode"</span> /></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"message"</span>>Order accepted. Finding contacts.</<span class="tag">string</span>></div></<span class="tag">emit</span>></div><div class="element indent"><<span class="tag">trans</span>><div class="element indent"><<span class="tag">state</span>>build-notify-list</<span class="tag">state</span>></div></<span class="tag">trans</span>></div></<span class="tag">state</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">state</span> <span class="attrkey">id</span>=<span class="attrval">"build-notify-list"</span>><div class="indent"> Here, we lookup who needs to be notified.</div><div class="indent"></div><div class="element indent"><<span class="tag">op</span> <span class="attrkey">type</span>=<span class="attrval">"/data/lookup"</span> <span class="attrkey">scope</span>=<span class="attrval">"all"</span>><div class="element indent"><<span class="tag">import</span>><div class="element indent"><<span class="tag">res</span> <span class="attrkey">key</span>=<span class="attrval">"list"</span>>/notify/orders</<span class="tag">res</span>></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"customer"</span> <span class="attrkey">from</span>=<span class="attrval">"cust_id"</span> /></div></<span class="tag">import</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">export</span>><div class="comment indent"><!-- Here we actually concatenate multiple lists --></div><div class="element indent"><<span class="tag">list</span> <span class="attrkey">extend</span>=<span class="attrval">"contacts"</span>><span class="element"><<span class="tag">email</span>>[email protected]</<span class="tag">email</span>></span></<span class="tag">list</span>></div></<span class="tag">export</span>></div></<span class="tag">op</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">op</span> <span class="attrkey">type</span>=<span class="attrval">"/data/lookup"</span> <span class="attrkey">scope</span>=<span class="attrval">"all"</span>><div class="comment indent"><!-- This op runs in parallel --></div><div class="element indent"><<span class="tag">import</span>><div class="element indent"><<span class="tag">res</span> <span class="attrkey">key</span>=<span class="attrval">"list"</span>>/notify/orders</<span class="tag">res</span>></div><div class="element indent"><<span class="tag">res</span> <span class="attrkey">key</span>=<span class="attrval">"department"</span>>/sales</<span class="tag">res</span>></div><div class="element indent"><<span class="tag">res</span> <span class="attrkey">from</span>=<span class="attrval">"location"</span> /></div></<span class="tag">import</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">export</span>><div class="comment indent"><!-- and we keep adding to the same list --></div><div class="element indent"><<span class="tag">list</span> <span class="attrkey">extend</span>=<span class="attrval">"contacts"</span>><span class="element"><<span class="tag">email</span> /></span></<span class="tag">list</span>></div></<span class="tag">export</span>></div></<span class="tag">op</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">emit</span>><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"message"</span>>Notifying contacts.</<span class="tag">string</span>></div></<span class="tag">emit</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">trans</span>><div class="element indent"><<span class="tag">state</span>>notify</<span class="tag">state</span>></div></<span class="tag">trans</span>></div></<span class="tag">state</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">state</span> <span class="attrkey">id</span>=<span class="attrval">"notify"</span>><div class="indent"> And we send the notifications.</div><div class="indent"></div><div class="element indent"><<span class="tag">op</span> <span class="attrkey">type</span>=<span class="attrval">"/comms/mailer"</span> <span class="attrkey">scope</span>=<span class="attrval">"single"</span>><div class="element indent"><<span class="tag">import</span>><div class="element indent"><<span class="tag">list</span> <span class="attrkey">each</span>=<span class="attrval">"contacts"</span> /></div><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"message"</span>>...</<span class="tag">string</span>></div></<span class="tag">import</span>></div></<span class="tag">op</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">emit</span>><div class="element indent"><<span class="tag">string</span> <span class="attrkey">key</span>=<span class="attrval">"Message"</span>><div class="indent"> Order complete.</div><div class="indent"> .... (some sort of string interpolation potentially) ...</div></<span class="tag">string</span>></div></<span class="tag">emit</span>></div><div class="indent"></div><div class="element indent"><<span class="tag">trans</span>><div class="element indent"><<span class="tag">done</span> /></div></<span class="tag">trans</span>></div></<span class="tag">state</span>></div></<span class="tag">workflow</span>></div></div><div><span class="comment"><!-- funny test &gt; --></span></div> | ||
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| <div class="commenthdr" id="toc"><h3 id="toctitle">Contents</h3><ul id="toclist"></ul></div> | ||
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