diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/Stage.java b/AlgebraicDataflowArchitectureModel/src/application/editor/Stage.java
index ad24bdc..e328832 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/Stage.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/Stage.java
@@ -25,8 +25,6 @@
         this.graph = graphComponent.getGraph();
     }
 
-    public abstract boolean canChangeFrom(Stage prevStage);
-
     public abstract void init(Stage prevStage);
 
     public abstract mxICellEditor createCellEditor(mxGraphComponent graphComponent);
@@ -35,6 +33,8 @@
 
     public abstract MouseListener createMouseEventListener(Editor editor);
 
+    public abstract boolean canChangeFrom(Stage prevStage);
+
     public void setEnabledForLayer(final int layerNo, final boolean isEnable) {
         // TODO Implement
     }
diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/DataFlowModelingStage.java b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/DataFlowModelingStage.java
index 5474e05..f2a07d2 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/DataFlowModelingStage.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/DataFlowModelingStage.java
@@ -26,11 +26,6 @@
     }
 
     @Override
-    public boolean canChangeFrom(Stage prevStage) {
-        return true;
-    }
-
-    @Override
     public void init(Stage prevStage) {
         // TODO Implement
     }
@@ -51,6 +46,11 @@
         return null;
     }
 
+    @Override
+    public boolean canChangeFrom(Stage prevStage) {
+        return true;
+    }
+
     /**
      * mxGraphのレイヤーを全てクリアする.
      */
@@ -75,8 +75,8 @@
     /**
      * Construct a mxGraph from DataFlowModel
      *
-     * @param graph
-     * @param model
+     * @param graph mxGraph
+     * @param model DataTransferModel
      * @return constructed mxGraph
      */
     public mxGraph constructGraph(mxGraph graph, DataTransferModel model) {
diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java
index 361b7ed..40464c7 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/stages/PushPullSelectionStage.java
@@ -20,12 +20,6 @@
     }
 
     @Override
-    public boolean canChangeFrom(Stage prevStage) {
-        // TODO Implement
-        return false;
-    }
-
-    @Override
     public void init(Stage prevStage) {
         // TODO Implement
     }
@@ -46,6 +40,12 @@
         return null;
     }
 
+    @Override
+    public boolean canChangeFrom(Stage prevStage) {
+        // TODO Implement
+        return false;
+    }
+
     public DataFlowGraph analyzeDataTransferModel(mxGraph graph, DataTransferModel model) {
         // TODO Implement
         return null;