whoa

app/src/main/java/sudoku/MultiDoku.java

@@ -1,5 +1,8 @@
 package sudoku;
 
+import sudoku.constraint.IConstraint;
+
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -9,10 +12,34 @@ import java.util.List;
  */
 public class MultiDoku {
 
-	private final List<Sudoku> sousGrilles;
+	private final List<Sudoku> subGrids;
 
-	public MultiDoku(List<Sudoku> sousGrilles) {
-		this.sousGrilles = sousGrilles;
+	public MultiDoku(List<Sudoku> subGrids) {
+		this.subGrids = subGrids;
+	}
+
+	public int getNbSubGrids(){
+		return subGrids.size();
+	}
+
+	public Sudoku getSubGrid(int i){
+		return subGrids.get(i);
+	}
+
+	public boolean isValid(List<IConstraint> constraints){
+		for (Sudoku sudoku : subGrids){
+			if (!sudoku.isValid(constraints))
+				return false;
+		}
+		return true;
+	}
+
+	public List<MutableCell> getMutableCells(){
+		List<MutableCell> mutableCells = new ArrayList<>();
+		for (Sudoku sudoku : subGrids){
+			mutableCells.addAll(sudoku.getMutableCells());
+		}
+		return mutableCells;
 	}
 
 }