我使用Spring 3,休眠我的應用程序,它從DATABSE顯示在搜索按鈕的Java:equals方法沒有得到所謂的
我無法通過重寫我的DTO內equals和hashCode避免重複記錄的點擊數據
這是我的Employee DTO類,equals方法根本沒有被調用。 請分享您的意見,爲什麼等號是沒有得到所謂的
package com.jstlview.hlo;
import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="EMPLOYEE")
public class EmpHLO {
private String empname,job;
private int empno,deptno;
private double salary,comm;
private Date hiredate;
@Column(name="EMPNAME")
public String getEmpname() {
return empname;
}
public void setEmpname(String empname) {
this.empname = empname;
}
@Column(name="JOB")
public String getJob() {
return job;
}
public void setJob(String job) {
this.job = job;
}
@Id
@Column(name="EMPNO")
public int getEmpno() {
return empno;
}
public void setEmpno(int empno) {
this.empno = empno;
}
@Column(name="DEPTNO")
public int getDeptno() {
return deptno;
}
public void setDeptno(int deptno) {
this.deptno = deptno;
}
@Column(name="SALARY")
public double getSalary() {
return salary;
}
public void setSalary(double salary) {
this.salary = salary;
}
@Column(name="COMMISION")
public double getComm() {
return comm;
}
public void setComm(double comm) {
this.comm = comm;
}
@Column(name="HIREDATE")
public Date getHiredate() {
return hiredate;
}
public void setHiredate(Date hiredate) {
this.hiredate = hiredate;
}
@Override
public int hashCode()
{
System.out.println("Inside hashcode");
return empname.hashcode;
}
@Override
public boolean equals(Object obj)
{
System.out.println("Into Equals Method");
boolean flag = false;
EmpHLO emp = (EmpHLO)obj;
if(emp.empname.equals(empname))
flag = true;
return flag;
}
}
你是如何消除重複?它不會神奇地發生... –
我知道它不是魔法,但在這裏看到等於上面的方法 – Kiran
是的,你有方法,但你有什麼想要打電話給他們?你正在使用'Set'嗎? –