Enable configuring JsonTypeInfo for Java generation in samm-cli

Author: atextor

documentation/developer-guide/modules/tooling-guide/pages/samm-cli.adoc

@@ -105,12 +105,14 @@ of model resolution] for more information.
                                    | _--language, -l_ : the language from the model for which the diagram should be
                                        generated (default: en)                                                               |
                                    | _--custom-resolver_ : use an external resolver for the resolution of the model elements | `samm aspect AspectModel.ttl to svg --custom-resolver "java -jar resolver.jar"`
-.10+| [[aspect-to-java]] aspect <model> to java | Generate Java classes from an Aspect Model                                  | `samm aspect AspectModel.ttl to java`
+.11+| [[aspect-to-java]] aspect <model> to java | Generate Java classes from an Aspect Model                                 | `samm aspect AspectModel.ttl to java`
                                    | _--output-directory, -d_ : output directory to write files to (default:
                                        current directory)                                                                    |
                                    | _--package-name, -pn_ : package to use for generated Java classes                       | `samm aspect AspectModel.ttl to java -pn org.company.product`
                                    | _--no-jackson, -nj_ : disable https://github.com/FasterXML/jackson[Jackson] annotation
                                        generation in generated Java classes                                                  |
+                                   | _--json-type-info_, _-jti_ : If Jackson annotations are enabled, determines the value
+                                       of JsonTypeInfo.Id. Default: DEDUCTION                                                |
                                    | _--template-library-file, -tlf_ : the path and name of the
                                        https://velocity.apache.org/[Velocity] template file containing the macro library     |
                                    | _--execute-library-macros, -elm_ : Execute the macros provided in the

tools/samm-cli/src/main/java/org/eclipse/esmf/aspect/to/AspectToJavaCommand.java

@@ -45,6 +45,13 @@ public class AspectToJavaCommand extends AbstractCommand {
          description = "Disable Jackson annotation generation in generated Java classes." )
    private boolean disableJacksonAnnotations = false;
 
+   @CommandLine.Option(
+         names = { "--json-type-info", "-jti" },
+         description = "If Jackson annotations are enabled, determines the value of JsonTypeInfo.Id. Default: DEDUCTION",
+         converter = JsonTypeInfoConverter.class
+   )
+   private JavaCodeGenerationConfig.JsonTypeInfoType jsonTypeInfo;
+
    @SuppressWarnings( "FieldCanBeLocal" )
    @CommandLine.Option(
          names = { "--template-library-file", "-tlf" },
@@ -74,14 +81,16 @@ public class AspectToJavaCommand extends AbstractCommand {
          description = "Generate Java domain classes for a Static Meta Model" )
    private boolean generateStaticMetaModelJavaClasses = false;
 
+   @SuppressWarnings( "FieldCanBeLocal" )
    @CommandLine.Option( names = { "--name-prefix", "-namePrefix" },
          description = "Name prefix for generated Aspect, Entity Java classes" )
    private String namePrefix = "";
 
+   @SuppressWarnings( "FieldCanBeLocal" )
    @CommandLine.Option( names = { "--name-postfix", "-namePostfix" },
          description = "Name postfix for generated Aspect, Entity Java classes" )
    private String namePostfix = "";
-  
+
    @SuppressWarnings( "FieldCanBeLocal" )
    @CommandLine.Option(
          names = { "--details" },
@@ -97,6 +106,15 @@ public class AspectToJavaCommand extends AbstractCommand {
    @CommandLine.Mixin
    private ResolverConfigurationMixin resolverConfiguration;
 
+   static class JsonTypeInfoConverter implements CommandLine.ITypeConverter<JavaCodeGenerationConfig.JsonTypeInfoType> {
+      @Override
+      public JavaCodeGenerationConfig.JsonTypeInfoType convert( final String value ) throws Exception {
+         return value == null
+               ? JavaCodeGenerationConfig.JsonTypeInfoType.DEDUCTION
+               : JavaCodeGenerationConfig.JsonTypeInfoType.valueOf( value.toUpperCase() );
+      }
+   }
+
    @Override
    public void run() {
       setDetails( details );
@@ -120,6 +138,7 @@ private JavaCodeGenerationConfig buildConfig( final Aspect aspect ) {
             .orElseGet( () -> aspect.urn().getNamespaceMainPart() );
       return JavaCodeGenerationConfigBuilder.builder()
             .executeLibraryMacros( executeLibraryMacros )
+            .jsonTypeInfo( jsonTypeInfo )
             .templateLibFile( templateLibFile )
             .enableJacksonAnnotations( !disableJacksonAnnotations )
             .packageName( pkgName )