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<div class="section" id="limits">
<span id="index-0"></span><span id="id1"></span>
<div class="line-block">
<div class="line">We have learnt from experience that suite designers were using <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-trigger"><em class="xref std std-term">trigger</em></a>&#8216;s in</div>
<div class="line">two different ways: as data dependency triggers and as courtesy triggers.</div>
<div class="line">The former are for what triggers where designed. The latter are used to prevent too</div>
<div class="line">many jobs running at once and are actually an artificial way of queueing jobs.</div>
</div>
<div class="line-block">
<div class="line">Because ECF does not distinguish between the two sorts of triggers, suites can become</div>
<div class="line">difficult to maintain after a while. So the concept of <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-limit"><em class="xref std std-term">limit</em></a> was introduced.</div>
<div class="line">Limits are declared with the <strong>limit</strong> keyword</div>
</div>
</div>
<div class="section" id="inlimit">
<span id="id2"></span>
<div class="line-block">
<div class="line">Limits are used in conjunction with <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-inlimit"><em class="xref std std-term">inlimit</em></a> keyword.</div>
<div class="line">Limiting a <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-family"><em class="xref std std-term">family</em></a> will limit all the <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-task"><em class="xref std std-term">task</em></a>&#8216;s in that family.</div>
<div class="line">A <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-node"><em class="xref std std-term">node</em></a> can be limited by several limits.</div>
</div>
<p>Let us modify our <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-suite-definition"><em class="xref std std-term">suite definition</em></a> file:</p>
<div class="highlight-python"><pre># Definition of the suite test.
suite test
 edit ECF_INCLUDE "$HOME/course"
 edit ECF_HOME    "$HOME/course"
 limit l1 2
 family f1
     edit SLEEP 20
     task t1
         meter progress 1 100 90
     task t2
         trigger t1 eq complete
         event a
         event b
     task t3
         trigger t2:a
     task t4
         trigger t2 eq complete
         complete t2:b
     task t5
         trigger t1:progress ge 30
     task t6
         trigger t1:progress ge 60
     task t7
         trigger t1:progress ge 90
 endfamily
 family f2
     edit SLEEP 20
     task t1
         time 00:30 23:30 00:30
     task t2
         day  sunday
     task t3
         date 01.*.*
         time 12:00
     task t4
         time +00:02
     task t5
         time 00:02
 endfamily
 family f3
     task t1
         label info ""
 endfamily
 family f4
     edit SLEEP 2
     repeat string NAME a b c d e f
     family f5
         repeat integer VALUE 1 10
         task t1
             repeat date DATE 19991230 20000105
             label info ""
     endfamily
 endfamily
 family f5
     inlimit l1
     edit SLEEP 20
     task t1
     task t2
     task t3
     task t4
     task t5
     task t6
     task t7
     task t8
     task t9
 endfamily
endsuite</pre>
</div>
<p>In python this would be:</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_f5</span><span class="p">()</span> <span class="p">:</span>
    <span class="n">f5</span> <span class="o">=</span> <span class="n">ecflow<<span id="index-0"></span><span id="id1"></span>
<div class="line-block">
<div class="line">We have learnt from experience that suite designers were using <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-trigger"><em class="xref std std-term">trigger</em></a>&#8216;s in</div>
<div class="line">two different ways: as data dependency triggers and as courtesy triggers.</div>
<div class="line">The former are for what triggers where designed. The latter are used to prevent too</div>
<div class="line">many jobs running at once and are actually an artificial way of queueing jobs.</div>
</div>
<div class="line-block">
<div class="line">Because ECF does not distinguish between the two sorts of triggers, suites can become</div>
<div class="line">difficult to maintain after a while. So the concept of <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-limit"><em class="xref std std-term">limit</em></a> was introduced.</div>
<div class="line">Limits are declared with the <strong>limit</strong> keyword</div>
</div>
<div class="section" id="inlimit">
<span id="id2"></span><h2>inlimit<a class="headerlink" href="#inlimit" title="Permalink to this headline">¶</a></h2>
<div class="line-block">
<div class="line">Limits are used in conjunction with <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-inlimit"><em class="xref std std-term">inlimit</em></a> keyword.</div>
<div class="line">Limiting a <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-family"><em class="xref std std-term">family</em></a> will limit all the <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-task"><em class="xref std std-term">task</em></a>&#8216;s in that family.</div>
<div class="line">A <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-node"><em class="xref std std-term">node</em></a> can be limited by several limits.</div>
</div>
</div>
<div class="section" id="text">
<h2>Text<a class="headerlink" href="#text" title="Permalink to this headline">¶</a></h2>
<p>Let us modify our <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-suite-definition"><em class="xref std std-term">suite definition</em></a> file:</p>
<div class="highlight-python"><pre># Definition of the suite test.
suite test
 edit ECF_INCLUDE "$HOME/course"
 edit ECF_HOME    "$HOME/course"
 limit l1 2

 family f5
     inlimit l1
     edit SLEEP 20
     task t1
     task t2
     task t3
     task t4
     task t5
     task t6
     task t7
     task t8
     task t9
 endfamily
endsuite</pre>
</div>
</div>
<div class="section" id="python">
<h2>Python<a class="headerlink" href="#python" title="Permalink to this headline">¶</a></h2>
<div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python2.7</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_f5</span><span class="p">()</span> <span class="p">:</span>
    <span class="n">f5</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">&quot;f5&quot;</span><span class="p">)</span>
    <span class="n">f5</span><span class="o">.</span><span class="n">add_inlimit</span><span class="p">(</span><span class="s">&quot;l1&quot;</span><span class="p">)</span>
    <span class="n">f5</span><span class="o">.</span><span class="n">Family<>add_variable</span><span class="p">(</span><span class="s">&quot;f5SLEEP&quot;</span><span class="p">),</span>
    <span class="nmi">f5<>20</span><span class="op">.)</span><spanspan>
    <span class="nk">add_inlimit</span><span>for</span> <span class="pn">(</span><span>i</span> <span class="s">&quot;l1&quot;<ow">in</span> <span class="nb">range</span><span class="p">)(</span>
    <spanspan><span class="nmi">f5<>1</span><span class="op">.,</span><spanspan> <span class="nmi">add_variable<>10</span><span class="p">():</span><spanspan>
        <span class="s">&quot;SLEEP&quot;<n">f5</span><span class="po">,.</span><span class="min">20<>add_task</span><span class="p">)(</span>
    <span class="k">for<s">&quot;t&quot;</span> <span class="n">i</span> <span class="ow">in<o">+</span> <span class="nb">range<>str</span><span class="p">(</span><span class="min">1<>i</span><span class="p">,</span><span class="mi">10</span><span">)</span> <span class="p">):</span>
        <span class="nk">f5<>return</span><spanspan> <span class="on">.</span><span>f5</span>
    
<span class="nk">add_task</span><span>print</span> <span class="ps">(&quot;Creating suite definition&quot;</span>span>   
<span class="s">&quot;t&quot;<n">defs</span> <span class="o">+=</span> <span class="nbn">str<>ecflow</span><span class="po">(.</span><span class="n">i<>Defs</span><span class="p">()</span>
<span class="n">suite</span> <span class="po">)=</span>
    <span<span class="n">defs</span><span class="ko">return</span> <span>.</span><span class="n">f5</span>
    
<span>add_suite</span><span class="p">(</span><span class="n">defs</span> <spans">&quot;test&quot;</span><span class="op">=)</span> 
<span class="n">ecflow<>suite</span><span class="o">.</span><span class="n">Defs<>add_variable</span><span class="p">(</span><span class="s">&quot;test.defECF_INCLUDE&quot;</span><span class="p">),</span>
 <span class="n">suite<>os</span> <spanspan><span class="o">=.</span> <spanspan><span class="n">defs<>getenv</span><span class="op">.(</span><span class="n">add_suite<s">&quot;HOME&quot;</span><span class="p">(</span><span)</span> <span class="o">+</span> <span class="s">&quot;test/course&quot;</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">&quot;ECF_INCLUDEHOME&quot;</span><span class="p">,</span><spanspan>    <span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s">&quot;HOME&quot;</span><span class="p">)</span> <span class="o">+</span> <span class="s">&quot;/course&quot;</span><span class="p">)</span>

<span class="n">suite</span><span class="o">.</span><span class="n">add_variable<limit</span><span class="p">(</span><span class="s">&quot;ECF_HOME   l1&quot;</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
<span class="n">os<>suite</span><span class="o">.</span><span class="n">getenv<">add_family</span><span class="p">(</span> <span class="n">create_family_f5</span><span class="p">()</span><span class="s">&quot;HOME&quot;</span><spanspan> <span class="p">)</span> 

<span class="ok">+<>print</span> <span class="s">&quot;/courseChecking job creation: .ecf -&gt; .job0&quot;</span><spanspan>   
<span class="pk">)<>print</span>

 <span class="n">suite<>defs</span><span class="o">.</span><span class="n">add>check_job_limit<creation</span><span class="p">()</span><spanspan>

<span class="s">&quot;l1&quot;</span><spank">print</span> <span class="ps">,</span><span class="mi">2</span><span class="p">)&quot;Saving definition to file &#39;test.def&#39;&quot;</span>
<span class="n">suite<>defs</span><span class="o">.</span><span class="n">add>save_as_family<defs</span><span class="p">(</span> <span class="n">create_family_f5</span><span class="ps">()&quot;test.def&quot;</span> <spanspan><span class="p">)</span>
</pre></div>
</div>
<p>What<p><strong>What to do:</strong></p>
<ol class="arabic simple">
<li>Edit the changes</li>
<li>Play and begin the suite</li>
<li>In <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-ecflowview"><em class="xref std std-term">ecFlowview<>ecflowview</em></a>, observe the triggers of the <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-limit"><em class="xref std std-term">limit</em></a> <strong>l1</strong></li>
<li>Open the Info panel for <strong>l1</strong></li>
<li>Change the value of the <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-limit"><em class="xref std std-term">limit</em></a></li>
<li>Open the Why? panel for one of the <a class="reference internal" href="/wiki/display/ECFLOW/Glossary#term-queued"><em class="xref std std-term">queued</em></a> tasks of <strong>/test/f5</strong></li>
</ol>
</div>
</div>