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<!DOCTYPE html>
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>SP099 — Motor de Cálculo Embebido en HR_Attribute</title>
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<!-- ══════════════════════════════════════════════════════════════
COVER
══════════════════════════════════════════════════════════════════ -->
<div class="cover">
<div class="page">
<div class="badge">SP099 · Especificación Técnica y Funcional</div>
<h1>Motor de Cálculo Embebido<br>en HR_Attribute</h1>
<p class="subtitle">
Implementación de un motor dual (Expresiones + Scripts) directamente en el atributo de nómina,
eliminando la dependencia de registros <code style="background:rgba(255,255,255,0.2);color:#fff">AD_Rule</code> externos para fórmulas simples.
</p>
<div class="meta">
<div><strong>Módulo</strong>HR & Payroll</div>
<div><strong>Entity Type</strong>SP099</div>
<div><strong>Versión</strong>1.0.0</div>
<div><strong>Fecha</strong>2026-03-05</div>
<div><strong>Proyecto</strong>adempiere-base</div>
<div><strong>Rama</strong>develop</div>
</div>
</div>
</div>
<div class="page">
<!-- ══════════════════════════════════════════════════════════════
TOC
══════════════════════════════════════════════════════════════════ -->
<div class="toc">
<h2>Tabla de Contenidos</h2>
<ol>
<li><a href="#s1">Resumen Ejecutivo</a></li>
<li><a href="#s2">Contexto y Problema</a></li>
<li><a href="#s3">Arquitectura de la Solución</a></li>
<li><a href="#s4">Cambios de Diccionario (MCP)</a>
<ul class="sub">
<li>Entity Type SP099</li>
<li>Nuevas columnas en HR_Attribute</li>
<li>Fields en ventana Payroll Concept Catalog</li>
<li>Traducciones es_MX</li>
</ul>
</li>
<li><a href="#s5">Modelo Java — I_HR_Attribute & X_HR_Attribute</a></li>
<li><a href="#s6">PayrollExpressionEvaluator — Referencia Completa</a>
<ul class="sub">
<li>Tokenizador</li>
<li>Parser recursivo descendente</li>
<li>Funciones soportadas</li>
<li>Variables de contexto</li>
</ul>
</li>
<li><a href="#s7">PayrollCalculationEngine — Motor Orquestador</a>
<ul class="sub">
<li>Tipo E — Expresión</li>
<li>Tipo S — Script (JSR-223 / BeanShell)</li>
<li>Seguridad y timeout</li>
</ul>
</li>
<li><a href="#s8">Integración en MHRProcess</a></li>
<li><a href="#s9">Ejemplos Funcionales</a></li>
<li><a href="#s10">Compatibilidad hacia Atrás</a></li>
<li><a href="#s11">Seguridad</a></li>
<li><a href="#s12">Guía de Verificación</a></li>
<li><a href="#s13">Referencia de Archivos</a></li>
</ol>
</div>
<!-- ══════════════════════════════════════════════════════════════
1. RESUMEN EJECUTIVO
══════════════════════════════════════════════════════════════════ -->
<section id="s1">
<div class="section-header">
<div class="section-num">1</div>
<h2 class="section-title">Resumen Ejecutivo</h2>
</div>
<p>
SP099 agrega un <strong>motor de cálculo embebido</strong> directamente en la entidad
<code>HR_Attribute</code>, permitiendo definir fórmulas de nómina sin necesidad de crear
registros <code>AD_Rule</code> separados. El motor soporta dos modos:
</p>
<div class="card-grid">
<div class="card">
<h4>🧮 Tipo E — Expresión</h4>
<p>Fórmulas matemáticas y condicionales evaluadas en Java puro mediante un parser
recursivo descendente. No requiere motor de scripting externo.</p>
<p><strong>Ejemplo:</strong> <code>IF(_Days > 15, ROUND(_Days * 100, 2), 0)</code></p>
</div>
<div class="card">
<h4>📜 Tipo S — Script</h4>
<p>Scripts completos ejecutados vía JSR-223 (JavaScript, Groovy, Python) o BeanShell.
Soporta lógica arbitraria con acceso completo al contexto de nómina.</p>
<p><strong>Ejemplo:</strong> <code>var r = _Days * 200; r;</code> (JavaScript)</p>
</div>
</div>
<div class="success-box">
<strong>Compatibilidad total:</strong> Los conceptos existentes con <code>AD_Rule_ID</code>
y sin <code>CalculationTypeValue</code> siguen funcionando exactamente igual. El cambio
es estrictamente aditivo.
</div>
</section>
<!-- ══════════════════════════════════════════════════════════════
2. CONTEXTO Y PROBLEMA
══════════════════════════════════════════════════════════════════ -->
<section id="s2">
<div class="section-header">
<div class="section-num">2</div>
<h2 class="section-title">Contexto y Problema</h2>
</div>
<h3>Flujo previo</h3>
<p>
Cuando un concepto de nómina tiene <code>HR_Concept.Type = 'E'</code> (TYPE_RuleEngine),
el proceso <code>MHRProcess.createMovementFromConcept()</code> delega el cálculo a
<code>executeScript(concept, attribute.getAD_Rule_ID(), ...)</code>.
</p>
<h3>Problema</h3>
<ul>
<li>Cada fórmula, por simple que sea, requiere crear y mantener un registro <code>AD_Rule</code> separado.</li>
<li>Para fórmulas como <code>_Days * 100</code> es necesario ir al módulo de Reglas, crear la regla, asociarla, guardar y regresar.</li>
<li>El mantenimiento masivo de reglas simples es engorroso y difícil de auditar.</li>
<li>No hay validación de sintaxis en tiempo de edición.</li>
</ul>
<h3>Solución</h3>
<p>
Agregar campos de cálculo directamente a <code>HR_Attribute</code> e implementar un motor
que los evalúe. El patrón es equivalente al de <code>AD_PrintFormatCalculation</code>,
que ya demostró ser ergonómico en el módulo de reportes.
</p>
</section>
<!-- ══════════════════════════════════════════════════════════════
3. ARQUITECTURA
══════════════════════════════════════════════════════════════════ -->
<section id="s3">
<div class="section-header">
<div class="section-num">3</div>
<h2 class="section-title">Arquitectura de la Solución</h2>
</div>
<div class="arch">
<span class="a-blue">MHRProcess.createMovementFromConcept()</span>
<span class="a-dim">│</span>
<span class="a-dim">└─ concept.Type = 'E' (TYPE_RuleEngine)?</span>
<span class="a-dim"> │</span>
<span class="a-dim"> ├─ attribute.CalculationTypeValue != null?</span>
<span class="a-dim"> │ │</span>
<span class="a-dim"> │ └─ YES ──►</span> <span class="a-yellow">PayrollCalculationEngine.calculate(attribute, scriptCtx)</span>
<span class="a-dim"> │ │</span>
<span class="a-dim"> │ ├─ Type 'E' ──►</span> <span class="a-green">PayrollExpressionEvaluator.evaluate(expr, ctx)</span>
<span class="a-dim"> │ │ </span><span class="a-dim">└─ Tokenizer → Parser → Result</span>
<span class="a-dim"> │ │</span>
<span class="a-dim"> │ └─ Type 'S' ──►</span> <span class="a-orange">executeScript(attribute, scriptCtx)</span>
<span class="a-dim"> │ │</span>
<span class="a-dim"> │ ├─ 'B' ──►</span> <span class="a-purple">Scriptlet (BeanShell)</span>
<span class="a-dim"> │ ├─ 'J' ──►</span> <span class="a-purple">JSR-223 JavaScript</span>
<span class="a-dim"> │ ├─ 'G' ──►</span> <span class="a-purple">JSR-223 Groovy</span>
<span class="a-dim"> │ └─ 'P' ──►</span> <span class="a-purple">JSR-223 Python</span>
<span class="a-dim"> │</span>
<span class="a-dim"> └─ NO (CalculationTypeValue vacío) ──►</span> <span class="a-red">executeScript(concept, AD_Rule_ID, ...) [flujo existente]</span>
</div>
<h3>Componentes nuevos</h3>
<div class="table-wrap">
<table>
<thead><tr><th>Componente</th><th>Tipo</th><th>Responsabilidad</th></tr></thead>
<tbody>
<tr><td><code>PayrollExpressionEvaluator</code></td><td>Clase Java</td><td>Parser y evaluador de expresiones en Java puro</td></tr>
<tr><td><code>PayrollCalculationEngine</code></td><td>Clase Java</td><td>Despachador: delega a Expression o Script según CalculationTypeValue</td></tr>
<tr><td>Columnas en <code>HR_Attribute</code></td><td>Diccionario</td><td>CalculationTypeValue, Expression, ScriptEngine, ScriptCode, ScriptTimeout</td></tr>
<tr><td>Fields en ventana</td><td>Diccionario</td><td>Campos en tab "Concept Attributes" (ventana Payroll Concept Catalog)</td></tr>
</tbody>
</table>
</div>
</section>
<!-- ══════════════════════════════════════════════════════════════
4. DICCIONARIO
══════════════════════════════════════════════════════════════════ -->
<section id="s4">
<div class="section-header">
<div class="section-num">4</div>
<h2 class="section-title">Cambios de Diccionario (MCP)</h2>
</div>
<h3>4.1 Entity Type</h3>
<div class="table-wrap">
<table>
<thead><tr><th>Campo</th><th>Valor</th></tr></thead>
<tbody>
<tr><td>EntityType</td><td><code>SP099</code></td></tr>
<tr><td>Name</td><td>Solop: Payroll Calculation Engine</td></tr>
<tr><td>Description</td><td>Motor de cálculo embebido para conceptos de nómina</td></tr>
<tr><td>Help</td><td>Agrega soporte de expresiones y scripts directamente en HR_Attribute</td></tr>
<tr><td>ModelPackage</td><td><code>com.solop.sp099.model</code></td></tr>
<tr><td>AD_EntityType_ID</td><td>2000033</td></tr>
</tbody>
</table>
</div>
<h3>4.2 Nuevas columnas en HR_Attribute (AD_Table_ID = 53087)</h3>
<div class="table-wrap">
<table>
<thead><tr><th>ColumnName</th><th>Col ID</th><th>Elem ID</th><th>Reference</th><th>Length</th><th>Default</th><th>Descripción</th></tr></thead>
<tbody>
<tr>
<td><code>CalculationTypeValue</code></td><td>2005160</td><td>63400</td>
<td>List 54580</td><td>1</td><td>—</td>
<td>Tipo de motor: E=Expresión, S=Script</td>
</tr>
<tr>
<td><code>Expression</code></td><td>2005161</td><td>63401</td>
<td>Text (14)</td><td>2000</td><td>—</td>
<td>Fórmula matemática/condicional</td>
</tr>
<tr>
<td><code>ScriptEngine</code></td><td>2005162</td><td>63402</td>
<td>List 54581</td><td>1</td><td>—</td>
<td>Motor de script: J/G/B/P</td>
</tr>
<tr>
<td><code>ScriptCode</code></td><td>2005163</td><td>63403</td>
<td>Text (14)</td><td>2000</td><td>—</td>
<td>Código del script completo</td>
</tr>
<tr>
<td><code>ScriptTimeout</code></td><td>2005164</td><td>63404</td>
<td>Integer (11)</td><td>10</td><td>5000</td>
<td>Timeout en milisegundos</td>
</tr>
</tbody>
</table>
</div>
<h3>4.3 Fields en ventana Payroll Concept Catalog</h3>
<p>
Ventana: <strong>Payroll Concept Catalog</strong> (ID 53036) ·
Tab: <strong>Concept Attributes</strong> (ID 53113, tabla HR_Attribute)
</p>
<div class="table-wrap">
<table>
<thead><tr><th>Field ID</th><th>Nombre</th><th>SeqNo</th><th>Display Logic</th></tr></thead>
<tbody>
<tr><td>2011330</td><td>Calculation Type / Tipo de Cálculo</td><td>310</td><td>—</td></tr>
<tr><td>2011331</td><td>Expression / Expresión</td><td>320</td><td><code>CalculationTypeValue='E'</code></td></tr>
<tr><td>2011332</td><td>Script Engine / Motor de Script</td><td>330</td><td><code>CalculationTypeValue='S'</code></td></tr>
<tr><td>2011333</td><td>Script Code / Código de Script</td><td>340</td><td><code>CalculationTypeValue='S'</code></td></tr>
<tr><td>2011334</td><td>Script Timeout / Tiempo Límite</td><td>350</td><td><code>CalculationTypeValue='S'</code></td></tr>
</tbody>
</table>
</div>
<h3>4.4 Traducciones es_MX</h3>
<div class="table-wrap">
<table>
<thead><tr><th>Entidad</th><th>ID</th><th>Nombre es_MX</th><th>Description</th><th>Help</th></tr></thead>
<tbody>
<tr><td>AD_Element</td><td>63400</td><td>Tipo de Cálculo</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Element</td><td>63401</td><td>Expresión</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Element</td><td>63402</td><td>Motor de Script</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Element</td><td>63403</td><td>Código de Script</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Element</td><td>63404</td><td>Tiempo Límite de Script</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Field</td><td>2011330</td><td>Tipo de Cálculo</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Field</td><td>2011331</td><td>Expresión</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Field</td><td>2011332</td><td>Motor de Script</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Field</td><td>2011333</td><td>Código de Script</td><td>✓</td><td>✓</td></tr>
<tr><td>AD_Field</td><td>2011334</td><td>Tiempo Límite de Script</td><td>✓</td><td>✓</td></tr>
</tbody>
</table>
</div>
</section>
<!-- ══════════════════════════════════════════════════════════════
5. MODELO JAVA
══════════════════════════════════════════════════════════════════ -->
<section id="s5">
<div class="section-header">
<div class="section-num">5</div>
<h2 class="section-title">Modelo Java — I_HR_Attribute & X_HR_Attribute</h2>
</div>
<h3>I_HR_Attribute.java — Interfaz</h3>
<p>Se agregaron 5 constantes <code>COLUMNNAME_*</code>, constantes de valor y métodos getter/setter:</p>
<pre><span class="comment">// Constantes de columna y valores para CalculationTypeValue</span>
<span class="keyword">String</span> <span class="var">COLUMNNAME_CalculationTypeValue</span> = <span class="string">"CalculationTypeValue"</span>;
<span class="keyword">String</span> <span class="var">CALCULATIONTYPEVALUE_Expression</span> = <span class="string">"E"</span>;
<span class="keyword">String</span> <span class="var">CALCULATIONTYPEVALUE_Script</span> = <span class="string">"S"</span>;
<span class="keyword">String</span> <span class="var">COLUMNNAME_Expression</span> = <span class="string">"Expression"</span>;
<span class="keyword">String</span> <span class="var">COLUMNNAME_ScriptEngine</span> = <span class="string">"ScriptEngine"</span>;
<span class="keyword">String</span> <span class="var">SCRIPTENGINE_JavaScript</span> = <span class="string">"J"</span>;
<span class="keyword">String</span> <span class="var">SCRIPTENGINE_Groovy</span> = <span class="string">"G"</span>;
<span class="keyword">String</span> <span class="var">SCRIPTENGINE_BeanShell</span> = <span class="string">"B"</span>;
<span class="keyword">String</span> <span class="var">SCRIPTENGINE_Python</span> = <span class="string">"P"</span>;
<span class="keyword">String</span> <span class="var">COLUMNNAME_ScriptCode</span> = <span class="string">"ScriptCode"</span>;
<span class="keyword">String</span> <span class="var">COLUMNNAME_ScriptTimeout</span> = <span class="string">"ScriptTimeout"</span>;
<span class="comment">// Métodos de interfaz (×5 get + ×5 set)</span>
<span class="keyword">String</span> <span class="fn">getCalculationTypeValue</span>();
<span class="keyword">void</span> <span class="fn">setCalculationTypeValue</span>(<span class="keyword">String</span> v);
<span class="keyword">String</span> <span class="fn">getExpression</span>();
<span class="keyword">void</span> <span class="fn">setExpression</span>(<span class="keyword">String</span> v);
<span class="keyword">String</span> <span class="fn">getScriptEngine</span>();
<span class="keyword">void</span> <span class="fn">setScriptEngine</span>(<span class="keyword">String</span> v);
<span class="keyword">String</span> <span class="fn">getScriptCode</span>();
<span class="keyword">void</span> <span class="fn">setScriptCode</span>(<span class="keyword">String</span> v);
<span class="keyword">int</span> <span class="fn">getScriptTimeout</span>();
<span class="keyword">void</span> <span class="fn">setScriptTimeout</span>(<span class="keyword">int</span> v);</pre>
<h3>X_HR_Attribute.java — Implementación</h3>
<p>Se implementaron los 5 campos con el patrón estándar del modelo generado:</p>
<pre><span class="comment">/** CalculationTypeValue AD_Reference_ID=54580 */</span>
<span class="keyword">public static final int</span> <span class="var">CALCULATIONTYPEVALUE_AD_Reference_ID</span> = <span class="number">54580</span>;
<span class="keyword">public static final String</span> <span class="var">CALCULATIONTYPEVALUE_Expression</span> = <span class="string">"E"</span>;
<span class="keyword">public static final String</span> <span class="var">CALCULATIONTYPEVALUE_Script</span> = <span class="string">"S"</span>;
<span class="keyword">public void</span> <span class="fn">setCalculationTypeValue</span>(<span class="keyword">String</span> CalculationTypeValue) {
<span class="fn">set_Value</span>(<span class="var">COLUMNNAME_CalculationTypeValue</span>, CalculationTypeValue);
}
<span class="keyword">public</span> <span class="keyword">String</span> <span class="fn">getCalculationTypeValue</span>() {
<span class="keyword">return</span> (<span class="keyword">String</span>) <span class="fn">get_Value</span>(<span class="var">COLUMNNAME_CalculationTypeValue</span>);
}
<span class="comment">// ... (patrón idéntico para Expression, ScriptEngine, ScriptCode, ScriptTimeout)</span></pre>
</section>
<!-- ══════════════════════════════════════════════════════════════
6. EXPRESSION EVALUATOR
══════════════════════════════════════════════════════════════════ -->
<section id="s6">
<div class="section-header">
<div class="section-num">6</div>
<h2 class="section-title">PayrollExpressionEvaluator — Referencia Completa</h2>
</div>
<p><strong>Archivo:</strong> <code>hr_and_payroll/src/main/java/org/spin/hr/util/PayrollExpressionEvaluator.java</code></p>
<h3>API pública</h3>
<pre><span class="keyword">public class</span> <span class="type">PayrollExpressionEvaluator</span> {
<span class="comment">/** Evalúa la expresión con el contexto de scriptCtx del proceso de nómina.
* @return Number, String, Boolean, Timestamp o null */</span>
<span class="keyword">public static</span> <span class="type">Object</span> <span class="fn">evaluate</span>(<span class="keyword">String</span> expression, <span class="type">Map</span><<span class="keyword">String</span>, <span class="type">Object</span>> context);
<span class="comment">/** Valida sintaxis sin ejecutar (para validación en UI).
* @return null si válido, mensaje de error si inválido */</span>
<span class="keyword">public static</span> <span class="keyword">String</span> <span class="fn">validateSyntax</span>(<span class="keyword">String</span> expression);
}</pre>
<h3>6.1 Gramática del lenguaje</h3>
<pre><span class="comment">expression ::= or_expr
or_expr ::= and_expr ( 'OR' and_expr )*
and_expr ::= comparison ( 'AND' comparison )*
comparison ::= additive ( ('='|'!='|'<'|'<='|'>'|'>=') additive )?
additive ::= multiplicative ( ('+'|'-') multiplicative )*
multiplicative::= unary ( ('*'|'/'|'%') unary )*
unary ::= ('-'|'NOT')? primary
primary ::= NUMBER | STRING | '(' expression ')' | IDENTIFIER ['(' args ')']
args ::= expression (',' expression)*</span></pre>
<h3>6.2 Funciones soportadas</h3>
<div class="fn-grid">
<div class="fn-card">
<div class="fn-sig">ROUND(n, decimales)</div>
<div class="fn-desc">Redondea n a la cantidad de decimales indicada (HALF_UP).</div>
<div class="fn-ex">ROUND(123.456, 2) → 123.46</div>
</div>
<div class="fn-card">
<div class="fn-sig">ABS(n)</div>
<div class="fn-desc">Valor absoluto de n.</div>
<div class="fn-ex">ABS(-50) → 50</div>
</div>
<div class="fn-card">
<div class="fn-sig">FLOOR(n)</div>
<div class="fn-desc">Redondea hacia abajo al entero más cercano.</div>
<div class="fn-ex">FLOOR(3.9) → 3</div>
</div>
<div class="fn-card">
<div class="fn-sig">CEIL(n)</div>
<div class="fn-desc">Redondea hacia arriba al entero más cercano.</div>
<div class="fn-ex">CEIL(3.1) → 4</div>
</div>
<div class="fn-card">
<div class="fn-sig">MIN(a, b)</div>
<div class="fn-desc">Retorna el menor de los dos valores.</div>
<div class="fn-ex">MIN(10, 25) → 10</div>
</div>
<div class="fn-card">
<div class="fn-sig">MAX(a, b)</div>
<div class="fn-desc">Retorna el mayor de los dos valores.</div>
<div class="fn-ex">MAX(10, 25) → 25</div>
</div>
<div class="fn-card">
<div class="fn-sig">IF(cond, then, else)</div>
<div class="fn-desc">Condicional ternaria. Retorna then si cond es verdadero, else en caso contrario.</div>
<div class="fn-ex">IF(_Days > 15, 100, 0) → 100</div>
</div>
<div class="fn-card">
<div class="fn-sig">COALESCE(a, b, ...)</div>
<div class="fn-desc">Retorna el primer valor no nulo de la lista.</div>
<div class="fn-ex">COALESCE(null, null, 42) → 42</div>
</div>
<div class="fn-card">
<div class="fn-sig">NVL(val, default)</div>
<div class="fn-desc">Retorna val si no es nulo, default en caso contrario.</div>
<div class="fn-ex">NVL(null, 0) → 0</div>
</div>
<div class="fn-card">
<div class="fn-sig">UPPER(s)</div>
<div class="fn-desc">Convierte la cadena a mayúsculas.</div>
<div class="fn-ex">UPPER('hola') → "HOLA"</div>
</div>
<div class="fn-card">
<div class="fn-sig">LOWER(s)</div>
<div class="fn-desc">Convierte la cadena a minúsculas.</div>
<div class="fn-ex">LOWER('HOLA') → "hola"</div>
</div>
<div class="fn-card">
<div class="fn-sig">TRIM(s)</div>
<div class="fn-desc">Elimina espacios al inicio y final de la cadena.</div>
<div class="fn-ex">TRIM(' hola ') → "hola"</div>
</div>
<div class="fn-card">
<div class="fn-sig">CONCAT(a, b, ...)</div>
<div class="fn-desc">Concatena todos los argumentos como cadena.</div>
<div class="fn-ex">CONCAT('Días: ', _Days) → "Días: 30"</div>
</div>
<div class="fn-card">
<div class="fn-sig">LENGTH(s)</div>
<div class="fn-desc">Retorna la longitud de la cadena.</div>
<div class="fn-ex">LENGTH('hola') → 4</div>
</div>
<div class="fn-card">
<div class="fn-sig">TODAY()</div>
<div class="fn-desc">Retorna el timestamp actual del sistema.</div>
<div class="fn-ex">TODAY() → Timestamp actual</div>
</div>
<div class="fn-card">
<div class="fn-sig">DATEDIFF(d1, d2)</div>
<div class="fn-desc">Diferencia en días entre d1 y d2 (d2 - d1).</div>
<div class="fn-ex">DATEDIFF(_From, _To) → 30</div>
</div>
<div class="fn-card">
<div class="fn-sig">TONUMBER(s)</div>
<div class="fn-desc">Convierte una cadena a número. Retorna 0 si no es convertible.</div>
<div class="fn-ex">TONUMBER('123.5') → 123.5</div>
</div>
<div class="fn-card">
<div class="fn-sig">TOSTRING(v)</div>
<div class="fn-desc">Convierte cualquier valor a su representación en cadena.</div>
<div class="fn-ex">TOSTRING(123) → "123"</div>
</div>
</div>
<h3>6.3 Variables de contexto disponibles</h3>
<div class="table-wrap">
<table>
<thead><tr><th>Variable</th><th>Tipo</th><th>Descripción</th></tr></thead>
<tbody>
<tr><td colspan="3" class="var-cat">Proceso</td></tr>
<tr><td><code>process</code></td><td>MHRProcess</td><td>Instancia del proceso de nómina</td></tr>
<tr><td><code>_Process</code></td><td>Integer</td><td>HR_Process_ID</td></tr>
<tr><td><code>_Period</code></td><td>Integer</td><td>Número de período</td></tr>
<tr><td><code>_HR_Period_ID</code></td><td>Integer</td><td>HR_Period_ID</td></tr>
<tr><td><code>_Payroll</code></td><td>Integer</td><td>HR_Payroll_ID</td></tr>
<tr><td><code>_HR_Payroll_Value</code></td><td>String</td><td>Valor (código) de la nómina</td></tr>
<tr><td><code>_PeriodNo</code></td><td>Integer</td><td>Número de período</td></tr>
<tr><td><code>_From</code></td><td>Timestamp</td><td>Fecha inicio del período</td></tr>
<tr><td><code>_To</code></td><td>Timestamp</td><td>Fecha fin del período</td></tr>
<tr><td><code>_Department</code></td><td>Integer</td><td>HR_Department_ID</td></tr>
<tr><td colspan="3" class="var-cat">Empleado</td></tr>
<tr><td><code>_HR_Employee_ID</code></td><td>Integer</td><td>ID del empleado</td></tr>
<tr><td><code>_C_BPartner_ID</code></td><td>Integer</td><td>ID del socio de negocio</td></tr>
<tr><td><code>_C_BPartner</code></td><td>MBPartner</td><td>Instancia del socio de negocio</td></tr>
<tr><td><code>_HR_Employee</code></td><td>MHREmployee</td><td>Instancia del empleado</td></tr>
<tr><td><code>_Days</code></td><td>Integer</td><td>Días del período para el empleado</td></tr>
<tr><td colspan="3" class="var-cat">Concepto</td></tr>
<tr><td><code>_HR_Concept_ID</code></td><td>Integer</td><td>ID del concepto actual</td></tr>
<tr><td><code>_HR_Concept</code></td><td>MHRConcept</td><td>Instancia del concepto</td></tr>
<tr><td><code>_HR_PayrollConcept_ID</code></td><td>Integer</td><td>HR_PayrollConcept_ID</td></tr>
<tr><td colspan="3" class="var-cat">Alcance y persistencia</td></tr>
<tr><td><code>SCOPE_PROCESS</code></td><td>String</td><td>Constante de alcance proceso</td></tr>
<tr><td><code>SCOPE_EMPLOYEE</code></td><td>String</td><td>Constante de alcance empleado</td></tr>
<tr><td><code>SCOPE_CONCEPT</code></td><td>String</td><td>Constante de alcance concepto</td></tr>
<tr><td><code>PERSISTENCE_SAVE</code></td><td>String</td><td>Guardar movimiento</td></tr>
<tr><td><code>PERSISTENCE_IGNORE</code></td><td>String</td><td>Ignorar movimiento</td></tr>
</tbody>
</table>
</div>
<div class="info-box">
<strong>Resolución de variables:</strong> El evaluador busca primero el nombre en MAYÚSCULAS en el contexto (<code>_DAYS</code>),
luego intenta el nombre original (<code>_Days</code>). Los literales especiales <code>TRUE</code>, <code>FALSE</code> y
<code>NULL</code> están reservados. Variables no encontradas retornan <code>null</code>.
</div>
</section>
<!-- ══════════════════════════════════════════════════════════════
7. CALCULATION ENGINE
══════════════════════════════════════════════════════════════════ -->
<section id="s7">
<div class="section-header">
<div class="section-num">7</div>
<h2 class="section-title">PayrollCalculationEngine — Motor Orquestador</h2>
</div>
<p><strong>Archivo:</strong> <code>hr_and_payroll/src/main/java/org/spin/hr/util/PayrollCalculationEngine.java</code></p>
<h3>API pública</h3>
<pre><span class="keyword">public class</span> <span class="type">PayrollCalculationEngine</span> {
<span class="comment">/** Punto de entrada principal. Delega según CalculationTypeValue. */</span>
<span class="keyword">public static</span> <span class="type">Object</span> <span class="fn">calculate</span>(<span class="type">MHRAttribute</span> attribute,
<span class="type">Map</span><<span class="keyword">String</span>, <span class="type">Object</span>> scriptCtx);
}</pre>
<h3>7.1 Tipo E — Expresión</h3>
<p>Delega directamente a <code>PayrollExpressionEvaluator.evaluate(expression, scriptCtx)</code>.
No crea hilos adicionales ni motores JSR-223. Es la opción más eficiente y segura.</p>
<h3>7.2 Tipo S — Script</h3>
<h4>BeanShell (B)</h4>
<p>Usa el <code>Scriptlet</code> integrado, exactamente igual al motor actual de nómina.
El script recibe los imports estándar prepended automáticamente y debe declarar la variable <code>result</code>.</p>
<h4>JSR-223: JavaScript (J), Groovy (G), Python (P)</h4>
<ul>
<li>Usa <code>ScriptEngineManager</code> estático con caché <code>ThreadLocal</code> por nombre de motor.</li>
<li>Cada variable del <code>scriptCtx</code> se inyecta en el <code>SimpleScriptContext</code> con scope <code>ENGINE_SCOPE</code>.</li>
<li>La variable <code>result</code> se pre-inicializa a <code>0.0</code> (o <code>null</code> para tipos Date/Text).</li>
<li>La ejecución corre en un hilo separado y se interrumpe si supera el <code>ScriptTimeout</code>.</li>
</ul>
<h3>7.3 Timeout y seguridad</h3>
<div class="table-wrap">
<table>
<thead><tr><th>Patrón bloqueado</th><th>Motivo</th></tr></thead>
<tbody>
<tr><td><code>Runtime.getRuntime</code></td><td>Previene ejecución de comandos del SO</td></tr>
<tr><td><code>System.exit</code></td><td>Previene cierre abrupto de la JVM</td></tr>
<tr><td><code>Class.forName</code></td><td>Previene carga dinámica de clases peligrosas</td></tr>
<tr><td><code>ProcessBuilder</code></td><td>Previene creación de procesos externos</td></tr>
<tr><td><code>java.io.File</code></td><td>Previene acceso al sistema de archivos</td></tr>
<tr><td><code>java.net.</code></td><td>Previene acceso a red</td></tr>
<tr><td><code>java.lang.reflect</code></td><td>Previene reflexión no autorizada</td></tr>
<tr><td><code>Thread.sleep</code></td><td>Previene bloqueos indefinidos</td></tr>
<tr><td><code>System.load</code></td><td>Previene carga de librerías nativas</td></tr>
<tr><td><code>ClassLoader</code></td><td>Previene manipulación del classloader</td></tr>
</tbody>
</table>
</div>
<div class="warn-box">
<strong>Timeout por defecto:</strong> 5000 ms. Si el script supera este límite, el hilo se interrumpe
y se lanza <code>AdempiereException("Script execution timed out after N ms")</code>.
Configurable por atributo mediante el campo <code>ScriptTimeout</code>.
</div>
</section>
<!-- ══════════════════════════════════════════════════════════════
8. INTEGRACIÓN MHRPROCESS
══════════════════════════════════════════════════════════════════ -->
<section id="s8">
<div class="section-header">
<div class="section-num">8</div>
<h2 class="section-title">Integración en MHRProcess</h2>
</div>
<p><strong>Archivo:</strong> <code>hr_and_payroll/src/main/java/org/eevolution/hr/model/MHRProcess.java</code><br>
<strong>Método:</strong> <code>createMovementFromConcept()</code> — alrededor de la línea 1244</p>
<h3>Cambio aplicado</h3>
<pre><span class="keyword">if</span> (<span class="type">MHRConcept</span>.<span class="var">TYPE_RuleEngine</span>.<span class="fn">equals</span>(concept.<span class="fn">getType</span>())) {
logger.<span class="fn">info</span>(<span class="string">"Processing -> Rule to Concept "</span> + concept.<span class="fn">getValue</span>());
<span class="keyword">if</span> (activeConceptRule.<span class="fn">contains</span>(concept)) {
<span class="keyword">throw new</span> <span class="type">AdempiereException</span>(<span class="string">"Recursion loop detected in concept "</span>
+ concept.<span class="fn">getValue</span>());
}
activeConceptRule.<span class="fn">add</span>(concept);
<span class="type">Object</span> result;
<span class="keyword">if</span> (!<span class="type">Util</span>.<span class="fn">isEmpty</span>(attribute.<span class="fn">getCalculationTypeValue</span>())) {
<span class="comment">// ► Nuevo motor embebido (SP099)</span>
result = <span class="type">PayrollCalculationEngine</span>.<span class="fn">calculate</span>(attribute, scriptCtx);
} <span class="keyword">else</span> {
<span class="comment">// ► Motor clásico AD_Rule (backward compatible)</span>
result = <span class="fn">executeScript</span>(concept, attribute.<span class="fn">getAD_Rule_ID</span>(),
attribute.<span class="fn">getColumnType</span>());
}
activeConceptRule.<span class="fn">remove</span>(concept);
movement.<span class="fn">setColumnValue</span>(result);
<span class="keyword">if</span> (description != <span class="keyword">null</span>)
movement.<span class="fn">setDescription</span>(description.<span class="fn">toString</span>());
}</pre>
<p>Se agregó también el import:</p>
<pre><span class="keyword">import</span> org.spin.hr.util.<span class="type">PayrollCalculationEngine</span>;</pre>
</section>
<!-- ══════════════════════════════════════════════════════════════
9. EJEMPLOS FUNCIONALES
══════════════════════════════════════════════════════════════════ -->
<section id="s9">
<div class="section-header">
<div class="section-num">9</div>
<h2 class="section-title">Ejemplos Funcionales</h2>
</div>
<!-- Ejemplo 1 -->
<div class="example">
<div class="example-header">
<span class="example-badge badge-expr">Expresión</span>
<span class="example-title">Salario diario proporcional a días trabajados</span>
</div>
<div class="example-body">
<pre><span class="comment">-- Configuración en HR_Attribute:</span>
CalculationTypeValue = 'E'
Expression = '_Days * 100'</pre>
</div>
<div class="example-result">
<strong>Resultado:</strong> Si <code>_Days = 30</code> → Movement.Amount = <strong>3000</strong>
</div>
</div>
<!-- Ejemplo 2 -->
<div class="example">
<div class="example-header">
<span class="example-badge badge-expr">Expresión</span>
<span class="example-title">Bono condicional con redondeo</span>
</div>
<div class="example-body">
<pre><span class="comment">-- Paga bono solo si trabajó más de 15 días, redondeado a 2 decimales</span>
CalculationTypeValue = 'E'
Expression = 'IF(_Days > 15, ROUND(_Days * 150.75, 2), 0)'</pre>
</div>
<div class="example-result">
<strong>Resultado:</strong> Si <code>_Days = 20</code> → <code>ROUND(20 * 150.75, 2)</code> = <strong>3015.00</strong><br>
Si <code>_Days = 10</code> → <strong>0</strong>
</div>
</div>
<!-- Ejemplo 3 -->
<div class="example">
<div class="example-header">
<span class="example-badge badge-expr">Expresión</span>
<span class="example-title">Cálculo con COALESCE y NVL</span>
</div>
<div class="example-body">
<pre><span class="comment">-- Usa un concepto auxiliar si el salario base no está definido</span>
CalculationTypeValue = 'E'
Expression = 'COALESCE(SALARIO_BASE, NVL(SALARIO_MIN, 0)) * _Days / 30'</pre>
</div>
<div class="example-result">
<strong>Resultado:</strong> Calcula proporción mensual usando el primer valor disponible entre SALARIO_BASE y SALARIO_MIN.
</div>
</div>
<!-- Ejemplo 4 -->
<div class="example">
<div class="example-header">
<span class="example-badge badge-expr">Expresión</span>
<span class="example-title">Diferencia de días entre fechas del período</span>
</div>
<div class="example-body">
<pre><span class="comment">-- Calcula días efectivos del período y paga 50 por día</span>
CalculationTypeValue = 'E'
Expression = 'DATEDIFF(_From, _To) * 50'</pre>
</div>
<div class="example-result">
<strong>Resultado:</strong> Si el período va del 01/03 al 31/03 → 30 días → <strong>1500</strong>
</div>
</div>
<!-- Ejemplo 5 -->
<div class="example">
<div class="example-header">
<span class="example-badge badge-expr">Expresión</span>
<span class="example-title">Expresión anidada compleja</span>
</div>
<div class="example-body">
<pre><span class="comment">-- Horas extra: si días > 22 paga las horas extra con recargo del 150%</span>
CalculationTypeValue = 'E'
Expression = 'IF(_Days > 22,
ROUND((_Days - 22) * 8 * SALARIO_HORA * 1.5, 2),
0)'</pre>
</div>
<div class="example-result">
<strong>Resultado:</strong> Si <code>_Days = 25</code> y <code>SALARIO_HORA = 50</code>:
<code>ROUND((25-22) * 8 * 50 * 1.5, 2)</code> = <strong>1800.00</strong>
</div>
</div>
<!-- Ejemplo 6 -->
<div class="example">
<div class="example-header">
<span class="example-badge badge-js">Script — JavaScript</span>
<span class="example-title">Cálculo con lógica de negocio compleja</span>
</div>
<div class="example-body">
<pre><span class="comment">-- Configuración en HR_Attribute:</span>
CalculationTypeValue = 'S'
ScriptEngine = 'J'
ScriptTimeout = 3000
<span class="comment">-- ScriptCode:</span>
<span class="keyword">var</span> <span class="var">baseSalary</span> = process.<span class="fn">getAttribute</span>(<span class="string">'SALARIO_BASE'</span>);
<span class="keyword">var</span> <span class="var">days</span> = _Days;
<span class="keyword">var</span> <span class="var">dailyRate</span> = baseSalary / <span class="number">30</span>;
<span class="keyword">var</span> <span class="var">bonus</span> = days >= <span class="number">28</span> ? dailyRate * <span class="number">2</span> : <span class="number">0</span>;
result = Math.<span class="fn">round</span>((dailyRate * days + bonus) * <span class="number">100</span>) / <span class="number">100</span>;</pre>
</div>
<div class="example-result">
<strong>Resultado:</strong> Pago proporcional + bono de 2 días si trabajó 28 o más días.
</div>
</div>
<!-- Ejemplo 7 -->
<div class="example">
<div class="example-header">