我有下面的代码
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package com.service;
import java.io.Serializable;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;
/**
*
* @author PCTechRinz
*/
@Entity
@Table(name = "DEVELOPER")
@XmlRootElement
@NamedQueries({
@NamedQuery(name = "Developer.findAll", query = "SELECT d FROM Developer d"),
@NamedQuery(name = "Developer.findById", query = "SELECT d FROM Developer d WHERE d.id = :id"),
@NamedQuery(name = "Developer.findByDevname", query = "SELECT d FROM Developer d WHERE d.devname = :devname"),
@NamedQuery(name = "Developer.findByPassword", query = "SELECT d FROM Developer d WHERE d.password = :password")})
public class Developer implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Basic(optional = false)
@NotNull
@Column(name = "ID")
private Integer id;
@Size(max = 255)
@Column(name = "DEVNAME")
private String devname;
@Size(max = 255)
@Column(name = "PASSWORD")
private String password;
public Developer() {
}
public Developer(Integer id) {
this.id = id;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getDevname() {
return devname;
}
public void setDevname(String devname) {
this.devname = devname;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public int hashCode() {
int hash = 0;
hash += (id != null ? id.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object object) {
// TODO: Warning - this method won't work in the case the id fields are not set
if (!(object instanceof Developer)) {
return false;
}
Developer other = (Developer) object;
if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
return false;
}
return true;
}
@Override
public String toString() {
return "com.service.Developer[ id=" + id + " ]";
}
}
这是在Netbeans中使用数据库创建Restful Webservice之后生成的Java类,但是我很难找到合适的资源来插入,更新和删除数据库中的数据。谁能给我指南?将不胜感激。谢谢。我已经尝试过从此站点上发现的先前问题中得到一些答案,但似乎没有任何满足我需求的东西。
如果可能的话,我想使用嵌入式的netbeans Java DB而不是创建MYSQL数据库。 希望我能表达我的想法。
最好的问候。