use of org.drools.ancompiler.CompiledNetworkSources in project drools by kiegroup.
the class DMNAlphaNetworkEvaluatorCompiler method compileDecisionTable.
@Override
protected DMNExpressionEvaluator compileDecisionTable(DMNCompilerContext dmnCompilerContext, DMNModelImpl dmnModelImpl, DMNBaseNode dmnBaseNode, String decisionTableName, DecisionTable decisionTable) {
DMNFEELHelper feelHelper = dmnCompilerContext.getFeelHelper();
CompilerContext compilerContext = dmnCompilerContext.toCompilerContext();
// Parse every cell in the Decision Table
TableCell.TableCellFactory tableCellFactory = new TableCell.TableCellFactory(feelHelper, compilerContext);
TableCellParser tableCellParser = new TableCellParser(tableCellFactory);
DTQNameToTypeResolver resolver = new DTQNameToTypeResolver(compiler, dmnModelImpl, dmnBaseNode.getSource(), decisionTable);
TableCells tableCells = tableCellParser.parseCells(decisionTable, resolver, decisionTableName);
GeneratedSources allGeneratedSources = new GeneratedSources();
DMNAlphaNetworkCompiler dmnAlphaNetworkCompiler = new DMNAlphaNetworkCompiler();
GeneratedSources generatedSources = dmnAlphaNetworkCompiler.generateSourceCode(decisionTable, tableCells, decisionTableName, allGeneratedSources);
ReteBuilderContext reteBuilderContext = new ReteBuilderContext();
ObjectTypeNode firstObjectTypeNodeOfRete = tableCells.createRete(reteBuilderContext);
// Compile FEEL unary tests to Java source code with row,column index.
Map<String, String> feelTestClasses = tableCells.createFEELSourceClasses();
allGeneratedSources.putAllGeneratedFEELTestClasses(feelTestClasses);
// Generate the ANC
ObjectTypeNodeCompiler objectTypeNodeCompiler = createAlphaNetworkCompiler(firstObjectTypeNodeOfRete);
CompiledNetworkSources compiledNetworkSource = objectTypeNodeCompiler.generateSource();
generatedSources.addNewSourceClasses(compiledNetworkSource.getAllGeneratedSources());
// Look at target/generated-sources
generatedSources.dumpGeneratedClasses();
// Compile everything
Map<String, Class<?>> compiledClasses = KieMemoryCompiler.compile(generatedSources.getAllGeneratedSources(), this.getClass().getClassLoader());
Class<?> compiledNetworkClass = compiledClasses.get(compiledNetworkSource.getName());
CompiledNetwork compiledAlphaNetwork = compiledNetworkSource.createInstanceAndSet(compiledNetworkClass);
Results results = new Results();
AlphaNetworkEvaluationContext evaluationContext = new AlphaNetworkEvaluationContext(results);
DMNAlphaNetworkEvaluator dmnCompiledAlphaNetworkEvaluator = generatedSources.newInstanceOfAlphaNetwork(compiledClasses, compiledAlphaNetwork, evaluationContext);
// FeelDecisionTable is used at runtime to evaluate Hit Policy / Output values
// TODO DT-ANC probably need to have all the types in here
Map<String, Type> variableTypes = new HashMap<>();
OutputClausesWithType outputClausesWithType = new OutputClausesWithType(dmnModelImpl, decisionTable);
List<OutputClausesWithType.OutputClauseWithType> outputs = outputClausesWithType.inferTypeForOutputClauses(decisionTable.getOutput());
FeelDecisionTable feelDecisionTable = new FeelDecisionTable(decisionTableName, outputs, feelHelper, variableTypes, dmnModelImpl.getTypeRegistry().unknown());
return new DMNAlphaNetworkEvaluatorImpl(dmnCompiledAlphaNetworkEvaluator, feelHelper, decisionTableName, feelDecisionTable, dmnBaseNode, results);
}
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