Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.eu.evaluation.server.dao.eva.history; import com.eu.evaluation.model.eva.history.EvaluateSystem; import com.eu.evaluation.server.dao.AbstractDAO; import org.springframework.jdbc.core.namedparam.MapSqlParameterSource; import org.springframework.stereotype.Repository; /** * * @author dell */ @Repository public class EvaluateSystemDAO extends AbstractDAO<EvaluateSystem> { public int removeByEvaluateVersion(String evid) { String jpql = "delete from EvaluateSystem t where t.evaluateVersion.id = :evid"; MapSqlParameterSource params = new MapSqlParameterSource("evid", evid); return this.createQuery(jpql, params).executeUpdate(); } }