merge

app/src/main/java/sudoku/structure/Cell.java

@@ -0,0 +1,80 @@
+package sudoku.structure;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Cell {
+
+	public static int NOSYMBOL = -1;
+
+	private Block blockContainer;
+	private int symbolIndex = Cell.NOSYMBOL;
+	private final List<Integer> possibleSymbols;
+	private boolean isMutable = true;
+
+	public Cell() {
+		this.possibleSymbols = new ArrayList<>();
+	}
+
+	public Cell(int symbolIndex) {
+		this.symbolIndex = symbolIndex;
+		this.possibleSymbols = new ArrayList<>();
+	}
+
+	public Cell(int symbolIndex, boolean isMutable) {
+		this.symbolIndex = symbolIndex;
+		this.possibleSymbols = new ArrayList<>();
+		this.isMutable = isMutable;
+	}
+
+	public int getSymbolIndex() {
+		return this.symbolIndex;
+	}
+
+	public void setSymbolIndex(int symbolIndex) {
+		this.symbolIndex = symbolIndex;
+	}
+
+	public void setPossibleSymbols(List<Integer> possibleSymbols) {
+		this.possibleSymbols.clear();
+		this.possibleSymbols.addAll(possibleSymbols);
+	}
+
+	public void setImmutable() {
+		this.isMutable = false;
+	}
+
+	public Block getBlock() {
+		return this.blockContainer;
+	}
+
+	public void setBlock(Block block) {
+		this.blockContainer = block;
+	}
+
+	/**
+	 * Remove the current symbolIndex and returns it
+	 * @return integer symbolIndex cleared
+	 */
+	public int clearCurrentSymbol() {
+		int i = this.symbolIndex;
+		setSymbolIndex(NOSYMBOL);
+		return i;
+	}
+
+	public boolean isEmpty() {
+		return this.symbolIndex == Cell.NOSYMBOL;
+	}
+
+	public void removeSymbolFromPossibilities(int indexSymbol) {
+		possibleSymbols.remove(indexSymbol);
+	}
+
+	public List<Integer> getPossibleSymbols() {
+		return this.possibleSymbols;
+	}
+
+	public boolean isMutable() {
+		return this.isMutable;
+	}
+}