node-red-trexmes-service
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service Nodes for trexMes systems
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<article class="md-content__inner md-typeset">
<h1 id="mesaj-msg-yaps">Mesaj (msg) Yapısı<a class="headerlink" href="#mesaj-msg-yaps" title="Bu bolume kalici baglanti">¶</a></h1>
<p>Bu sayfa, <code>node-red-trexmes-service</code> node'ları arasında dolaşan <code>msg</code> nesnesinin <strong>anatomisini</strong>, üretilen <code>operationtype</code> değerlerini ve <code>dataType</code> (msg/flow/global/...) çözümlemesini detaylı açıklar.</p>
<h2 id="temel-yaklasm">Temel Yaklaşım<a class="headerlink" href="#temel-yaklasm" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Pakette <strong>tüm form/aksiyon node'ları</strong> aynı sözleşmeyi kullanır:</p>
<ol>
<li><strong>Giriş</strong>: Önceki node'dan gelen <code>msg.payload</code> ya bir <strong>array</strong> ya da <strong>scalar</strong> olabilir.</li>
<li><strong>Çıkış</strong>: <code>msg.payload</code> her zaman bir <strong>array</strong>'dir; node kendi operasyonunu sona ekler.</li>
</ol>
<pre class="mermaid"><code>flowchart LR
A[msg.payload<br/>any] --> N[Node X]
N --> B[msg.payload<br/>= prevOps + newOp]
style N fill:#ccffcc,color:#000</code></pre>
<h2 id="giris-cozumleme-sozlesmesi">Giriş Çözümleme Sözleşmesi<a class="headerlink" href="#giris-cozumleme-sozlesmesi" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Her node şu Standart bloğu çalıştırır:</p>
<div class="language-javascript highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kd">let</span><span class="w"> </span><span class="nx">payload</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">msg</span><span class="p">.</span><span class="nx">payload</span><span class="p">;</span>
</span><span id="__span-0-2"><a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a><span class="kd">let</span><span class="w"> </span><span class="nx">receiveddata</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="kc">null</span><span class="p">;</span>
</span><span id="__span-0-3"><a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>
</span><span id="__span-0-4"><a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nb">Array</span><span class="p">.</span><span class="nx">isArray</span><span class="p">(</span><span class="nx">payload</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-5"><a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a><span class="w"> </span><span class="c1">// Önceki bir form/event node'undan zincirleme geliyor</span>
</span><span id="__span-0-6"><a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">payload</span><span class="p">.</span><span class="nx">length</span><span class="w"> </span><span class="o">></span><span class="w"> </span><span class="mf">0</span><span class="w"> </span><span class="o">&&</span><span class="w"> </span><span class="nx">payload</span><span class="p">[</span><span class="mf">0</span><span class="p">].</span><span class="nx">receiveddata</span><span class="w"> </span><span class="o">!==</span><span class="w"> </span><span class="kc">undefined</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-7"><a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a><span class="w"> </span><span class="nx">receiveddata</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">msg</span><span class="p">.</span><span class="nx">payload</span><span class="p">[</span><span class="mf">0</span><span class="p">].</span><span class="nx">receiveddata</span><span class="p">;</span>
</span><span id="__span-0-8"><a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-0-9"><a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-0-10"><a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a><span class="w"> </span><span class="c1">// İlk girişte (Event node'undan gelir)</span>
</span><span id="__span-0-11"><a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a><span class="w"> </span><span class="nx">receiveddata</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">msg</span><span class="p">.</span><span class="nx">payload</span><span class="p">;</span>
</span><span id="__span-0-12"><a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a><span class="w"> </span><span class="nx">msg</span><span class="p">.</span><span class="nx">payload</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">[];</span><span class="w"> </span><span class="c1">// <-- yeniden array yapılır</span>
</span><span id="__span-0-13"><a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a><span class="p">}</span>
</span></code></pre></div>
<div class="admonition info">
<p class="admonition-title"><code>receiveddata</code> nedir?</p>
<p>Panelden gelen <strong>ham olay verisini</strong> taşıyan değerdir. Zincirin ilk elemanında bir kez set edilir; sonraki tüm operasyonlara aktarılır. Panel tarafı bu veriyi karar mantığında kullanır.</p>
</div>
<h2 id="operasyon-format">Operasyon Formatı<a class="headerlink" href="#operasyon-format" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Her node <code>msg.payload</code> array'ine bir <strong>operation object</strong> ekler. En sık karşılaşacağınız alanlar:</p>
<table>
<thead>
<tr>
<th>Alan</th>
<th>Tip</th>
<th>Açıklama</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>operationtype</code></td>
<td>string</td>
<td>İşlem türü (zorunlu)</td>
</tr>
<tr>
<td><code>name</code></td>
<td>string</td>
<td>Hedef form / kontrol adı</td>
</tr>
<tr>
<td><code>receiveddata</code></td>
<td>any</td>
<td>Orijinal olay verisi</td>
</tr>
<tr>
<td><code>value</code></td>
<td>any</td>
<td>İşleme özgü değer</td>
</tr>
<tr>
<td><code>customformxml</code></td>
<td>string</td>
<td>Form XML'i (Custom Form için)</td>
</tr>
<tr>
<td><code>bindcontrols</code></td>
<td>array</td>
<td>Bağlanacak kontroller listesi</td>
</tr>
<tr>
<td><code>continueevent</code></td>
<td>string|bool</td>
<td>Sonraki event akışı kontrolü</td>
</tr>
<tr>
<td><code>message</code></td>
<td>string</td>
<td>Method ismi / script kodu</td>
</tr>
<tr>
<td><code>isstyled</code></td>
<td>boolean</td>
<td>Form stillendirildi mi?</td>
</tr>
</tbody>
</table>
<h2 id="butun-operationtype-degerleri">Bütün <code>operationtype</code> Değerleri<a class="headerlink" href="#butun-operationtype-degerleri" title="Bu bolume kalici baglanti">¶</a></h2>
<p>Pakette <strong>11 farklı operationtype</strong> üretilir:</p>
<div class="tabbed-set tabbed-alternate" data-tabs="1:10"><input checked="checked" id="__tabbed_1_1" name="__tabbed_1" type="radio" /><input id="__tabbed_1_2" name="__tabbed_1" type="radio" /><input id="__tabbed_1_3" name="__tabbed_1" type="radio" /><input id="__tabbed_1_4" name="__tabbed_1" type="radio" /><input id="__tabbed_1_5" name="__tabbed_1" type="radio" /><input id="__tabbed_1_6" name="__tabbed_1" type="radio" /><input id="__tabbed_1_7" name="__tabbed_1" type="radio" /><input id="__tabbed_1_8" name="__tabbed_1" type="radio" /><input id="__tabbed_1_9" name="__tabbed_1" type="radio" /><input id="__tabbed_1_10" name="__tabbed_1" type="radio" /><div class="tabbed-labels"><label for="__tabbed_1_1">CustomDialog</label><label for="__tabbed_1_2">MainForm</label><label for="__tabbed_1_3">BindControl</label><label for="__tabbed_1_4">ControlProperties</label><label for="__tabbed_1_5">UIButtonConfig</label><label for="__tabbed_1_6">TriggerMain</label><label for="__tabbed_1_7">MethodInvokerProcess</label><label for="__tabbed_1_8">ExecuteProcess</label><label for="__tabbed_1_9">ExecuteScript</label><label for="__tabbed_1_10">TrexEventHandler</label></div>
<div class="tabbed-content">
<div class="tabbed-block">
<p><strong>Üreten</strong>: <code>Custom Form</code> (formainform=<code>false</code>)
<strong>Anlamı</strong>: Panelde yeni bir modal/dialog form aç.</p>
<div class="language-json highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="p">{</span>
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="w"> </span><span class="nt">"operationtype"</span><span class="p">:</span><span class="w"> </span><span class="s2">"CustomDialog"</span><span class="p">,</span>
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="nt">"receiveddata"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="cm">/* event data */</span><span class="w"> </span><span class="p">},</span>
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="nt">"name&q