count1projection.java

办公自动化项目

package hong.javanet.dao.util;

import org.hibernate.criterion.RowCountProjection;
import org.hibernate.HibernateException;
import org.hibernate.Criteria;
import org.hibernate.criterion.CriteriaQuery;

/**
 *
 * <p>Title: hong.javanet框架</p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 洪桃李 2005</p>
 *
 * <p>Company: 洪桃李</p>
 *
 * @author 洪桃李
 * @version 2.0
 */
public class Count1Projection extends RowCountProjection {
    public static Count1Projection instance = new Count1Projection();
    protected Count1Projection() {
    }

    public String toString() {
        return "count(1)";
    }

    public String toSqlString(Criteria criteria, int position,
                              CriteriaQuery criteriaQuery) throws
            HibernateException {
        return new StringBuffer()
                .append("count(1) as y")
                .append(position)
                .append('_')
                .toString();
    }

}