Performance: Lazy Worker-Pool Init + XSL-Stylesheet-Caching
RAM-Optimierung (Lazy Loading): - Worker-Pools werden erst bei Transformation gestartet (nicht beim Projekt-Öffnen) - Worker-Pools werden nach Transformation automatisch beendet - RAM im Ruhezustand: 0 MB (vorher: ~1.2 GB) - Temporäre Verzeichnisse werden sauber aufgeräumt XSL-Stylesheet-Caching (Massive Performance-Steigerung): - Saxon s9api: HashMap<String, XsltExecutable> Cache - Saxon JAXP: HashMap<String, Templates> Cache - Kompilierte Stylesheets werden pro Worker wiederverwendet - Bei 82 Transformationen mit 8 XSL-Dateien: * 1. Durchlauf: 8× Kompilierung * Weitere 74×: Cache-Treffer (sehr schnell!) Technische Details: - Worker-Pool-Init verschoben von _on_project_opened zu _start_transformation - Worker-Pool-Shutdown in _on_all_transformations_finished - Java-seitiger HashMap-Cache für beide Saxon-Varianten - Cache-Logging für Debugging Perfekt für Dauerbetrieb im Hintergrund! 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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@@ -25,6 +25,8 @@ SAXON_S9API_WORKER_JAVA = """
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import net.sf.saxon.s9api.*;
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import javax.xml.transform.stream.StreamSource;
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import java.io.*;
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import java.util.HashMap;
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import java.util.Map;
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public class SaxonS9ApiWorker {
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public static void main(String[] args) {
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@@ -34,7 +36,10 @@ public class SaxonS9ApiWorker {
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// Create Processor once and reuse (equivalent to TransformerFactory)
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Processor processor = new Processor(false);
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System.err.println("SaxonS9ApiWorker started and ready (using s9api for XSLT 2.0/3.0)");
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// Cache für kompilierte Stylesheets (Performance-Optimierung)
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Map<String, XsltExecutable> stylesheetCache = new HashMap<>();
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System.err.println("SaxonS9ApiWorker started and ready (using s9api for XSLT 2.0/3.0 with stylesheet caching)");
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System.err.flush();
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try {
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@@ -66,12 +71,23 @@ public class SaxonS9ApiWorker {
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String xslStylesheet = parts[1];
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String outputFo = parts[2];
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System.err.println("DEBUG: Compiling stylesheet...");
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System.err.flush();
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// Prüfe ob Stylesheet bereits im Cache ist
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XsltExecutable executable;
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if (stylesheetCache.containsKey(xslStylesheet)) {
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executable = stylesheetCache.get(xslStylesheet);
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System.err.println("DEBUG: Using cached stylesheet: " + xslStylesheet);
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System.err.flush();
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} else {
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System.err.println("DEBUG: Compiling and caching stylesheet: " + xslStylesheet);
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System.err.flush();
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// Compile stylesheet
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XsltCompiler compiler = processor.newXsltCompiler();
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XsltExecutable executable = compiler.compile(new StreamSource(new File(xslStylesheet)));
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XsltCompiler compiler = processor.newXsltCompiler();
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executable = compiler.compile(new StreamSource(new File(xslStylesheet)));
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stylesheetCache.put(xslStylesheet, executable);
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System.err.println("DEBUG: Stylesheet compiled and cached (cache size: " + stylesheetCache.size() + ")");
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System.err.flush();
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}
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System.err.println("DEBUG: Creating transformer...");
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System.err.flush();
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