better DSL

readme.md

@@ -29,8 +29,9 @@ Simple way to use it - to construct an inherited class specified with the type o
  during transitions.
 
 ```java
-  SimpleFsm<String> simpleFsm = SimpleFsm
+  SimpleFsm<String> simpleFsm = Fsm
-    .<SimpleFsm<String>, String>withStates(SimpleFsm::new)
+    .<SimpleFsm<String>, String>from(SimpleFsm::new)
+    .withStates()
       .from("init")
       .withBeforeHandler(fsm -> initBefore.set(true))
       .withAfterHandler(fsm -> initAfter.set(true))

src/main/java/me/bvn13/fsm/Fsm.java

@@ -54,8 +54,9 @@ import java.util.function.Supplier;
  * during transitions.
  * <pre>
  *  {@code
- *  SimpleFsm<String> simpleFsm = SimpleFsm
+ *  SimpleFsm<String> simpleFsm = Fsm
- *    .<SimpleFsm<String>, String>withStates(SimpleFsm::new)
+ *    .<SimpleFsm<String>, String>from(SimpleFsm::new)
+ *    .withStates()
  *      .from("init")
  *      .withBeforeHandler(fsm -> initBefore.set(true))
  *      .withAfterHandler(fsm -> initAfter.set(true))
@@ -94,8 +95,8 @@ public class Fsm<T extends Fsm, E> {
      * @param <E> the class type of Events to be processed
      */
     @SuppressWarnings("unchecked")
-    public static <T extends Fsm,E> FsmBuilder<T,E> withStates(Supplier<T> supplier) {
+    public static <T extends Fsm,E> FsmBuilderInitializer<T,E> from(Supplier<T> supplier) {
-        return new FsmBuilder<>(supplier);
+        return new FsmBuilderInitializer<>(supplier);
     }
 
     /**

src/main/java/me/bvn13/fsm/FsmBuilderInitializer.java

@@ -0,0 +1,17 @@
+package me.bvn13.fsm;
+
+import java.util.function.Supplier;
+
+public class FsmBuilderInitializer<T extends Fsm, E> {
+
+    final Supplier<T> supplier;
+
+    FsmBuilderInitializer(Supplier<T> supplier) {
+        this.supplier = supplier;
+    }
+
+    public FsmBuilder<T,E> withStates() {
+        return new FsmBuilder<>(supplier);
+    }
+
+}

src/test/java/me/bvn13/fsm/tests/FsmTest.java

@@ -1,11 +1,8 @@
 package me.bvn13.fsm.tests;
 
-import me.bvn13.fsm.ConditionBuilder;
 import me.bvn13.fsm.Fsm;
-import me.bvn13.fsm.FsmBuilder;
 import me.bvn13.fsm.SimpleFsm;
 import me.bvn13.fsm.State;
-import me.bvn13.fsm.StateBuilder;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -86,8 +83,9 @@ public class FsmTest {
 
         // @formatter:off
 
-        SimpleFsm<String> simpleFsm = SimpleFsm
+        SimpleFsm<String> simpleFsm = Fsm
-                .<SimpleFsm<String>, String>withStates(SimpleFsm::new)
+                .<SimpleFsm<String>, String>from(SimpleFsm::new)
+                .withStates()
                 .from("init")
                     .withBeforeHandler(fsm -> initBefore.set(true))
                     .withAfterHandler(fsm -> initAfter.set(true))