abstractdatasource.java

应付作业+练习OOP做的东西

package datasource;

import model.DataManager;

public abstract class AbstractDataSource implements DataSource {
	/* (non-Javadoc)
	 * @see datasource.DataSource#sendData(model.DataManager)
	 */
	public void sendData(DataManager target) {
		while (hasMore()) {
			target.addData(getNext());
		}

	}

	abstract protected boolean hasMore();

	abstract protected double getNext();

}