| HTML |
|---|
<style type="text/css"> .highlight .hll { background-color: #ffffcc } .highlight { background: #eeffcc; } .highlight .c { color: #408090; font-style: italic } /* Comment */ .highlight .err { border: 1px solid #FF0000 } /* Error */ .highlight .k { color: #007020; font-weight: bold } /* Keyword */ .highlight .o { color: #666666 } /* Operator */ .highlight .cm { color: #408090; font-style: italic } /* Comment.Multiline */ .highlight .cp { color: #007020 } /* Comment.Preproc */ .highlight .c1 { color: #408090; font-style: italic } /* Comment.Single */ .highlight .cs { color: #408090; background-color: #fff0f0 } /* Comment.Special */ .highlight .gd { color: #A00000 } /* Generic.Deleted */ .highlight .ge { font-style: italic } /* Generic.Emph */ .highlight .gr { color: #FF0000 } /* Generic.Error */ .highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */ .highlight .gi { color: #00A000 } /* Generic.Inserted */ .highlight .go { color: #303030 } /* Generic.Output */ .highlight .gp { color: #c65d09; font-weight: bold } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */ .highlight .gt { color: #0040D0 } /* Generic.Traceback */ .highlight .kc { color: #007020; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #007020; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #007020; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #007020 } /* Keyword.Pseudo */ .highlight .kr { color: #007020; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #902000 } /* Keyword.Type */ .highlight .m { color: #208050 } /* Literal.Number */ .highlight .s { color: #4070a0 } /* Literal.String */ .highlight .na { color: #4070a0 } /* Name.Attribute */ .highlight .nb { color: #007020 } /* Name.Builtin */ .highlight .nc { color: #0e84b5; font-weight: bold } /* Name.Class */ .highlight .no { color: #60add5 } /* Name.Constant */ .highlight .nd { color: #555555; font-weight: bold } /* Name.Decorator */ .highlight .ni { color: #d55537; font-weight: bold } /* Name.Entity */ .highlight .ne { color: #007020 } /* Name.Exception */ .highlight .nf { color: #06287e } /* Name.Function */ .highlight .nl { color: #002070; font-weight: bold } /* Name.Label */ .highlight .nn { color: #0e84b5; font-weight: bold } /* Name.Namespace */ .highlight .nt { color: #062873; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #bb60d5 } /* Name.Variable */ .highlight .ow { color: #007020; font-weight: bold } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mf { color: #208050 } /* Literal.Number.Float */ .highlight .mh { color: #208050 } /* Literal.Number.Hex */ .highlight .mi { color: #208050 } /* Literal.Number.Integer */ .highlight .mo { color: #208050 } /* Literal.Number.Oct */ .highlight .sb { color: #4070a0 } /* Literal.String.Backtick */ .highlight .sc { color: #4070a0 } /* Literal.String.Char */ .highlight .sd { color: #4070a0; font-style: italic } /* Literal.String.Doc */ .highlight .s2 { color: #4070a0 } /* Literal.String.Double */ .highlight .se { color: #4070a0; font-weight: bold } /* Literal.String.Escape */ .highlight .sh { color: #4070a0 } /* Literal.String.Heredoc */ .highlight .si { color: #70a0d0; font-style: italic } /* Literal.String.Interpol */ .highlight .sx { color: #c65d09 } /* Literal.String.Other */ .highlight .sr { color: #235388 } /* Literal.String.Regex */ .highlight .s1 { color: #4070a0 } /* Literal.String.Single */ .highlight .ss { color: #517918 } /* Literal.String.Symbol */ .highlight .bp { color: #007020 } /* Name.Builtin.Pseudo */ .highlight .vc { color: #bb60d5 } /* Name.Variable.Class */ .highlight .vg { color: #bb60d5 } /* Name.Variable.Global */ .highlight .vi { color: #bb60d5 } /* Name.Variable.Instance */ .highlight .il { color: #208050 } /* Literal.Number.Integer.Long */ </style> <div class="section" id="add-an-event"> <span id="add-event"></span><span id="index-0"></span> <div class="line-block"> <div class="line">Sometimes waiting for the completion of a task is not good enough.</div> <div class="line">If a task is producing several results, another task may start as</div> <div class="line">soon as the first results are ready.</div> <div class="line">For that, ecFlow introduces the concept of <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-event"><em class="xref std std-term">event</em></a>‘s.</div> </div> <div class="line-block"> <div class="line">An <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-event"><em class="xref std std-term">event</em></a> is a message that a task will report to ECF while</div> <div class="line">it is running.</div> </div> <p>Events have names and a <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-task"><em class="xref std std-term">task</em></a> can set several of them:</p> <div class="highlight-python"><pre># Definition of the suite test. suite test edit ECF_INCLUDE "$HOME/course" edit ECF_HOME "$HOME/course" family f1 edit SLEEP 20 task t1 task t2 trigger t1 eq complete event a event b task t3 trigger t2:a task t4 trigger t2:b endfamily endsuite</pre> </div> <p>In python this would be like:</p> <div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python2.5</span> <span class="kn">import</span> <span class="nn">os</span> <span class="kn">import</span> <span class="nn">ecflow</span> <span class="k">def</span> <span class="nf">create_family_f1</span><span class="p">():</span> <span class="n">f1</span> <span class="o">=</span> <span class="n">ecflow</span><span class="o">.</span><span class="n">Family</span><span class="p">(</span><span class="s">"f1"</span><span class="p">)</span> <span class="n">f1</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">"SLEEP"</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span> <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">"t1"</span><span class="p">)</span> <span class="n">t2</span> <span class="o">=</span> <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">"t2"</span><span class="p">)</span> <span class="n">t2</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">"t1 eq complete"</span><span class="p">)</span> <span class="n">t2</span><span class="o">.</span><span class="n">add_event</span><span class="p">(</span><span class="s">"a"</span><span class="p">)</span> <span class="n">t2</span><span class="o">.</span><span class="n">add_event</span><span class="p">(</span><span class="s">"b"</span><span class="p">)</span> <span class="n">t3</span> <span class="o">=</span> <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">"t3"</span><span class="p">)</span> <span class="n">t3</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">"t2:a"</span><span class="p">)</span> <span class="n">t4</span> <span class="o">=</span> <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">"t4"</span><span class="p">)</span> <span class="n">t4</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">"t2:b"</span><span class="p">)</span> <span class="k">return</span> <span class="n">f1</span> <span class="n">defs</span> <span class="o">=</span> <span class="n">ecflow</span><span class="o">.</span><span class="n">Defs</span><span class="p">()</span> <span class="n">suite</span> <span class="o">=</span> <span class="n">defs</span><span class="o">.</span><span class="n">add_suite</span><span class="p">(</span><span class="s">"test"</span><span class="p">)</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">"ECF_INCLUDE"</span><span class="p">,</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s">"HOME"</span><span class="p">)</span> <span class="o">+</span> <span class="s">"/course"</span><span class="p">)</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">"ECF_HOME "</span><span class="p">,</span><span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s">"HOME"</span><span class="p">)</span> <span class="o">+</span> <span class="s">"/course"</span><span class="p">)</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_family</span><span class="p">(</span> <span class="n">create_family_f1</span><span class="p">()</span> <span class="p">)</span> </pre></div> </div> <div class="line-block"> <div class="line">To notify <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-ecflow-server"><em class="xref std std-term">ecflow_server</em></a>, the task <strong>t2</strong> must call</div> <div class="line"><a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-ecflow-client"><em class="xref std std-term">ecflow_client</em></a> –event which is one of the <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-child-command"><em class="xref std std-term">child command</em></a>‘s</div> </div> <div class="highlight-python"><pre>%include <head.h> echo "I will now sleep for %SLEEP% seconds" sleep %SLEEP% ecflow_client --event a # Set the first event sleep %SLEEP% # Sleep a bit more ecflow_client --event b # Set the second event sleep %SLEEP% # A last nap... %include <tail.h></pre> </div> <p>What to do:</p> <ol class="arabic simple"> <li>Edit the definition or python file to add the modifications.</li> <li>Edit <tt class="file docutils literal"><span class="pre">t2.ecf</span></tt> to call <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-ecflow-client"><em class="xref std std-term">ecflow_client</em></a> –event.</li> <li>Copy <tt class="file docutils literal"><span class="pre">t1.ecf</span></tt> to <tt class="file docutils literal"><span class="pre">t3.ecf</span></tt> and <tt class="file docutils literal"><span class="pre">t4.ecf</span></tt></li> <li>Load the definition again.</li> <li>Observe the tasks in <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-ecflowview"><em class="xref std std-term">ecflowview</em></a>.</li> <li>See the triggers by selecting <strong>t3</strong> and clicking on the icon <img alt="triggers" src="../../../_images/wiki/download/attachments/7373012/triggers.jpg" /></li> <li>See the triggers by selecting <strong>t2</strong> and click on <strong>Dependencies</strong></li> </ol> </div> |
Page History
Overview
Community Forums
Content Tools