diff --git a/src/main/java/Main.java b/src/main/java/Main.java
index 1f42d64..3ef1d7a 100644
--- a/src/main/java/Main.java
+++ b/src/main/java/Main.java
@@ -1,10 +1,7 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import designPatternExtensions.Adapter;
-import designPatternExtensions.DependencyInversion;
-import designPatternExtensions.InterfaceNode;
-import designPatternExtensions.MediatorInsertion;
+import designPatternExtensions.*;
 import generators.ASTGenerator;
 import models.objectOrientedTransfer.*;
 
@@ -40,7 +37,7 @@
 			design.addDependencyInversion(di);
 
 
-			System.out.println(ASTGenerator.generate(Adapter.create()));
+			System.out.println(ASTGenerator.generate(Observer.create()));
 //			System.out.println(ASTGenerator.generate(design));
 		} catch (IllegalRelationException e) {
 			e.printStackTrace();
diff --git a/src/main/java/designPatternExtensions/Bridge.java b/src/main/java/designPatternExtensions/Bridge.java
new file mode 100644
index 0000000..4222324
--- /dev/null
+++ b/src/main/java/designPatternExtensions/Bridge.java
@@ -0,0 +1,35 @@
+package designPatternExtensions;
+
+import models.objectOrientedTransfer.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Bridge {
+
+    public static DataTransferDesign create() throws IllegalRelationException {
+        ObjectNode main = new ObjectNode("Main");
+        ObjectNode sword = new ObjectNode("Sword");
+        ObjectNode soulEatingEnchantment = new ObjectNode("SoulEatingEnchantment");
+        ObjectNode data = new ObjectNode("String");
+
+        List<ReferenceEdge> srcEdges = new ArrayList<>();
+        List<ReferenceEdge> dstEdges = new ArrayList<>();
+        srcEdges.add(new ReferenceEdge(main, soulEatingEnchantment, "soulEatingEnchantment", "String"));
+        dstEdges.add(new ReferenceEdge(main, sword, "sword", "String"));
+
+        List<Relation> relations = new ArrayList<>();
+        Relation transferRelation = new Relation(srcEdges, dstEdges, MultiplicityValue.OneToOne);
+        DataTransferContext context = new DataTransferContext(relations, transferRelation, data, "data", PushPullValue.PULL);
+
+        DataTransferDesign design = new DataTransferDesign(context);
+
+        DependencyInversion di1 = new DependencyInversion(sword, new InterfaceNode(sword, "Weapon"), main);
+        design.addDependencyInversion(di1);
+
+        DependencyInversion di2 = new DependencyInversion(soulEatingEnchantment, new InterfaceNode(soulEatingEnchantment, "Enchantment"), sword);
+        design.addDependencyInversion(di2);
+
+        return design;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/designPatternExtensions/Observer.java b/src/main/java/designPatternExtensions/Observer.java
new file mode 100644
index 0000000..d1c1f1b
--- /dev/null
+++ b/src/main/java/designPatternExtensions/Observer.java
@@ -0,0 +1,48 @@
+package designPatternExtensions;
+
+import models.objectOrientedTransfer.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Observer {
+
+    public static DataTransferDesign create() throws IllegalRelationException {
+        ObjectNode main     = new ObjectNode("Main");
+        ObjectNode weather  = new ObjectNode("Weather");
+        ObjectNode orcs     = new ObjectNode("Orcs");
+        ObjectNode hobbits  = new ObjectNode("Hobbits");
+        ObjectNode data     = new ObjectNode("WeatherType");
+
+        List<ReferenceEdge> srcEdges = new ArrayList<>();
+        ReferenceEdge srcEdge = new ReferenceEdge(main, weather, "weather", "WeatherType");
+        srcEdges.add(srcEdge);
+
+        List<ReferenceEdge> dstEdges = new ArrayList<>();
+        ReferenceEdge dstEdge = new ReferenceEdge(main, orcs, "orcs", "WeatherType");
+        dstEdges.add(dstEdge);
+
+        List<Relation> relations = new ArrayList<>();
+        Relation transferRelation = new Relation(srcEdges, dstEdges, MultiplicityValue.ManyToOne);
+        DataTransferContext context = new DataTransferContext(
+                relations, transferRelation, data, "currentWeather", PushPullValue.PUSH
+        );
+
+        DataTransferDesign design = new DataTransferDesign(context);
+
+        DependencyInversion di1 = new DependencyInversion(
+                orcs,
+                new InterfaceNode(orcs, "WeatherObserver"),
+                weather
+        );
+        DependencyInversion di2 = new DependencyInversion(
+                hobbits,
+                new InterfaceNode(hobbits, "WeatherObserver"),
+                weather
+        );
+        design.addDependencyInversion(di1);
+        design.addDependencyInversion(di2);
+
+        return design;
+    }
+}
\ No newline at end of file