src/org/tiefaces/components/websheet/serializable/SerialCellMap.java
public void recover(final Sheet sheet) {
		if (!this.getMap().isEmpty()) {
			map.clear();
		}
		for (SerialKey entry : this.saveList) {
			SerialCellAddress skey = entry.getKey();
			map.put(sheet.getRow(skey.getRow()).getCell(skey.getColumn()),
					entry.getValue());
		}

	}
public void recover(final Sheet sheet) {
		if (!this.getMap().isEmpty()) {
			map.clear();
		}
		for (SerialKey entry : this.saveList) {
			SerialCellAddress skey = entry.getKey();
			map.put(sheet.getRow(skey.getRow()).getCell(skey.getColumn()),
					entry.getValue());
		}

	}
recover the cell reference to the sheet.
@param sheet sheet.