added option to modelbuilder from context initialization

src/main/java/jef/model/DbContextOptions.java

@@ -0,0 +1,13 @@
+package jef.model;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Builder
+@NoArgsConstructor
+public class DbContextOptions {
+}

src/main/java/jef/model/ModelBuilder.java

@@ -13,6 +13,7 @@ import jef.model.constraints.PrimaryKeyConstraint;
 import jef.model.constraints.UniqueKeyConstraint;
 import jef.serializable.SerializableObject;
 import jef.util.Check;
+import jef.util.Util;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -21,44 +22,61 @@ import java.util.Objects;
 import java.util.stream.Collectors;
 
 public class ModelBuilder {
-    private static final List<AnnotationProcessor> annotationProcessors = new ArrayList<>();
-
-    static {//TODO move this to a passable config class
-        annotationProcessors.add(NotNullProcessor.INSTANCE);
-        annotationProcessors.add(UniqueProcessor.INSTANCE);
-        annotationProcessors.add(IndexProcessor.INSTANCE);
-        annotationProcessors.add(KeyProcessor.INSTANCE);
-        annotationProcessors.add(ForeignKeyProcessor.INSTANCE);
-    }
-
     /**
      * Initializes a ModelBuilder and configures the entities found in the context Class according to annotations.
      *
      * @param context the context to use for initialization
      * @return an initialized ModelBuilder
      */
-    public static ModelBuilder from(Class<? extends DbContext> context) { //TODO pass optional config here
+    public static ModelBuilder from(Class<? extends DbContext> context) {
+        return from(context, new ModelBuilderOptions());
+    }
+
+    /**
+     * Initializes a ModelBuilder and configures the entities found in the context Class according to annotations.
+     *
+     * @param context the context to use for initialization
+     * @param options the options to user during initialization
+     * @return an initialized ModelBuilder
+     */
+    public static ModelBuilder from(Class<? extends DbContext> context, ModelBuilderOptions options) {
         try {
-            return from0(context);
-        } catch (Exception e) {
+            return from0(context, options);
+        } catch (Throwable e) {
             throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
         }
     }
 
-    private static ModelBuilder from0(Class<? extends DbContext> context) throws Exception {
+    private static ModelBuilder from0(Class<? extends DbContext> context, ModelBuilderOptions options) throws Throwable {
         var mb = new ModelBuilder(new ArrayList<>());
         EntityInitializer.initEntities(mb, context);
         PrimaryKeyInitializer.initPrimaryKeys(mb);
         ForeignKeyExposeInitializer.initForeignKeyExposures(mb);
         ForeignKeyInitializer.initForeignKeys(mb);
 
-        for (AnnotationProcessor processor : annotationProcessors) {
+        for (AnnotationProcessor processor : options.getAnnotationProcessors()) {
             processor.apply(mb);
         }
 
-        var instance = context.getDeclaredConstructor().newInstance();//TODO find constructor, //TODO optionally with config
+        Util.ThrowableFunction<DbContextOptions, DbContext> init;
+        try {
+            var ctor = context.getDeclaredConstructor(DbContextOptions.class);
+            init = ctor::newInstance;
+        } catch (NoSuchMethodException e) {
+            try {
+                var ctor = context.getDeclaredConstructor();
+                init = o -> ctor.newInstance();
+            } catch (NoSuchMethodException e2) {
+                throw new RuntimeException(e);
+            }
+        }
+        try {
+            DbContext instance = init.apply(options.getContextOptions());
             instance.onModelCreate(mb);
             instance.onModelValidate(mb);
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
 
         return mb;
     }

src/main/java/jef/model/ModelBuilderOptions.java

@@ -0,0 +1,35 @@
+package jef.model;
+
+import jef.model.annotations.processors.AnnotationProcessor;
+import jef.model.annotations.processors.ForeignKeyProcessor;
+import jef.model.annotations.processors.IndexProcessor;
+import jef.model.annotations.processors.KeyProcessor;
+import jef.model.annotations.processors.NotNullProcessor;
+import jef.model.annotations.processors.UniqueProcessor;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Getter
+@Setter
+@Builder
+@AllArgsConstructor
+public class ModelBuilderOptions {
+    private List<AnnotationProcessor> annotationProcessors;
+    private DbContextOptions contextOptions;
+
+    public ModelBuilderOptions() {
+        this.annotationProcessors = new ArrayList<>(List.of(
+                NotNullProcessor.INSTANCE,
+                UniqueProcessor.INSTANCE,
+                IndexProcessor.INSTANCE,
+                KeyProcessor.INSTANCE,
+                ForeignKeyProcessor.INSTANCE
+        ));
+        this.contextOptions = new DbContextOptions();
+    }
+}

src/main/java/jef/util/Util.java

@@ -15,4 +15,9 @@ public abstract class Util {
     public interface ThrowableSupplier<T> {
         T get() throws Throwable;
     }
+
+    @FunctionalInterface
+    public interface ThrowableFunction<T, R> {
+        R apply(T t) throws Throwable;
+    }
 }