我已经搜索了几个小时,但我没有找到一个解决方案:斯卡拉:如何实现Java类与多个构造
我想实现扩展有不同的构造函数的Java类Scala的类:
Java类(JGoodies数据):
public abstract class AbstractTableAdapter<E>
extends AbstractTableModel implements ListModelBindable
的构造函数:
AbstractTableAdapter()
AbstractTableAdapter(ListModel listModel)
AbstractTableAdapter(String... columnNames)
AbstractTableAdapter(ListModel listModel, String... columnNames)
的ListModel的是一个通用的接口,如果该事项:
public interface ListModel<E>
我试着在斯卡拉2.11:
class LibraryListTableModel(listModel: SelectionInList[Book], columnNames: Array[String]) extends AbstractTableAdapter[Book](listModel, columnNames) {
def this() = this(null, null)
def this(listModel: SelectionInList[Book]) = this(null, null)
def this(columnNames: Array[String]) = this(null, null)
}
,但它给出了这个错误信息:
error: overloaded method constructor AbstractTableAdapter with alternatives:
[INFO] (x$1: javax.swing.ListModel[_],x$2: String*)com.jgoodies.binding.adapter.AbstractTableAdapter[eu.eyan.idakonyvtar.model.Book] <and>
[INFO] (x$1: String*)com.jgoodies.binding.adapter.AbstractTableAdapter[eu.eyan.idakonyvtar.model.Book]
[INFO] cannot be applied to (com.jgoodies.binding.list.SelectionInList[eu.eyan.idakonyvtar.model.Book], Array[String])
[INFO] extends AbstractTableAdapter[Book](listModel, columnNames) {
[INFO] ^
[ERROR] one error found
我觉得String...
原因问题.. 是否有可能扩展这样一个抽象类? 感谢: 安德拉什
非常感谢您! – Andras