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.przemo.projectmanagementweb.services; import com.przemo.projectmanagementweb.domain.HibernateUtil; import com.przemo.projectmanagementweb.domain.TimeLog; import java.time.Duration; import java.time.temporal.ChronoUnit; import java.util.List; import org.springframework.stereotype.Service; /** * * @author Przemysaw */ @Service public class TimeLogService { public void saveTimeLog(TimeLog entry) { HibernateUtil.saveObject(entry); } public List<TimeLog> getTimeLogs(int taskId) { return HibernateUtil.runQuery("from TimeLog where task=" + taskId); } public Duration getTimeLoggedForTask(int taskId) { List<Double> t = HibernateUtil.runQuery("select sum(tl.time) from TimeLog tl where tl.task=" + taskId); if (t != null && !t.isEmpty() && t.get(0) != null) { return Duration.of((int) ((t.get(0)) * 60), ChronoUnit.MINUTES); } else { return Duration.ZERO; } } public double getTimeLoggedForSprint(int printId) { String qry = "select pr_get_hours_for_sprint(" + printId + ")"; return (double) HibernateUtil.runSQLQuery(qry).get(0); } public void delete(TimeLog object) { HibernateUtil.deleteObject(object); } }