columncomparator.java

来自「最新的数据交换」· Java 代码 · 共 18 行

package com.gemt.dataswap.dataset;

import java.util.Comparator;

public class ColumnComparator implements Comparator
{
	public int compare(Object o1, Object o2)
	{
		if(o1 != null && o2 != null) {
			Column col1 = (Column)o1;
			Column col2 = (Column)o2;
			return (col1.getFieldName() == null ? col1.getColumnName() : col1.getFieldName()).compareTo(
				col2.getFieldName() == null ? col2.getColumnName() : col2.getFieldName());
		}
		return 0;
	}
}