BinaryOperation.java
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package kernel.operation;
import kernel.Cell;
import kernel.Formula;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
abstract public class BinaryOperation implements Formula, Serializable {
private static final long serialVersionUID = 1L;
protected Cell leftCell;
protected Cell rightCell;
public BinaryOperation(Cell leftCell, Cell rightCell) {
this.leftCell = leftCell;
this.rightCell = rightCell;
}
abstract public double eval();
abstract public String getOperator();
public String getDevelopedFormula() {
return "(" + this.leftCell.getDevelopedFormula() + this.getOperator() + this.rightCell.getDevelopedFormula() + ")";
}
public String toString() {
return "(" + this.leftCell.getId() + this.getOperator() + this.rightCell.getId() + ")";
}
public boolean createCycle(Cell cell) {
if (this.leftCell.containFormula() && !this.rightCell.containFormula())
return this.leftCell.getFormula().createCycle(cell);
if (!this.leftCell.containFormula() && this.rightCell.containFormula())
return this.rightCell.getFormula().createCycle(cell);
if (this.leftCell.containFormula() && this.rightCell.containFormula())
return this.leftCell.getFormula().createCycle(cell) && this.rightCell.getFormula().createCycle(cell);
return (cell.getId().equals(this.rightCell.getId()) || cell.getId().equals(this.leftCell.getId()));
}
public List<Cell> getUtilisedCells() {
List<Cell> cells = new ArrayList<>();
cells.add(this.leftCell);
cells.add(this.rightCell);
return cells;
}
}