import java.io.Serializable;
import java.util.List;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.JoinTable;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToMany;
import javax.persistence.ManyToOne;
import javax.persistence.Table;

import org.hibernate.annotations.Proxy;
import org.hibernate.annotations.Type;
import org.springframework.context.annotation.Scope;
@Entity
@Table(name ="USERS_MASTERS")
@Proxy(lazy = false)
public class User    {
   /**
    *
    */
   private static final long serialVersionUID = 1L;
   @Id 
   @Column(name="id", updatable = false, nullable = false)
   private String id;
    
   
    @ManyToMany(fetch = FetchType.EAGER)
   @JoinTable(name = " MENU_USE_MAPPING", joinColumns = { @JoinColumn(name = "id") }, inverseJoinColumns = { @JoinColumn(name = "MENU_ID") })
   private Set<UserMenu> usermenus;
}

import java.util.HashSet;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.UniqueConstraint;

import org.hibernate.annotations.Proxy;

import javax.persistence.UniqueConstraint;

@Entity
@Table(name = "USERS_MENU" ,   uniqueConstraints = @UniqueConstraint(columnNames = "MENU_ID"))
public class UserMenu {
   @Id @GeneratedValue
   @Column(name="MENU_ID" , insertable = false, updatable = false)
   private int menuId;
   
   public UserMenu() {
      super();
      // TODO Auto-generated constructor stub
   }
   
   @Column(name="MENU_LEVEL")
   private int menuLevel;
   @Column(name="MENU_NAME")
   private String MenuName;
   @ManyToOne(cascade={CascadeType.ALL})
   @JoinColumn(name="PARENT_MENU")
   private UserMenu parent;
   @OneToMany(fetch = FetchType.EAGER,mappedBy="parent", cascade = CascadeType.ALL)
   private Set<UserMenu> submenus=new HashSet<UserMenu>();
   
   public Set<UserMenu> getSubmenus() {
      return submenus;
   }
   public void setSubmenus(Set<UserMenu> submenus) {
      this.submenus = submenus;
   }
   
   
   @Column(name="MENU_URL")
   private String url;
   public int getMenuId() {
      return menuId;
   }
   public void setMenuId(int menuId) {
      this.menuId = menuId;
   }
   public int getMenuLevel() {
      return menuLevel;
   }
   public void setMenuLevel(int menuLevel) {
      this.menuLevel = menuLevel;
   }
   public String getMenuName() {
      return MenuName;
   }
   public void setMenuName(String menuName) {
      MenuName = menuName;
   }
   public UserMenu getParent() {
      return parent;
   }
   public void setParent(UserMenu parent) {
      this.parent = parent;
   }
   public String getUrl() {
      return url;
   }
   public void setUrl(String url) {
      this.url = url;
   }

}