many-to-one Questions
1
Solved
I’m trying to map the inheritance from the superclass LendingLine and the subclasses Line and BlockLine. LendingLine has an ManyToOne association with Lending.
When I try to get the LendingLines ...
Humphreys asked 27/4, 2016 at 10:29
2
Solved
I'm having problems when saving entities in my DB.
I have something like (very simplified) :
@Entity
public class Building {
@OneToMany(mappedBy = "building", fetch = FetchType.EAGER)
private...
Oxus asked 20/1, 2016 at 10:22
3
Following thread [entities cannot be cast to javassist.util.proxy.Proxy, i do have now a server side error ( tks thomas)
I wasn't able to face the real problem within my app.
java.lang.ClassCastEx...
Particia asked 30/1, 2014 at 11:16
9
I've got those two classes
MyItem Object:
@Entity
public class MyItem implements Serializable {
@Id
private Integer id;
@ManyToOne(cascade = {CascadeType.PERSIST, CascadeType.MERGE})
private...
Hedrick asked 11/5, 2012 at 11:29
1
I am frequently associating a vote entity in other ones with symfony2 / doctrine 2. This is done through a manyToOne relationship.
I was considering using a trait to include the association and it...
Congenital asked 17/2, 2015 at 15:1
1
Solved
In my auditable entities I have field creationUser which I would like to not update in db on merge operation.
Here is my entity code:
@Column(updatable=false)
@ManyToOne(cascade = CascadeType.ME...
Trachyte asked 28/4, 2015 at 10:40
1
Solved
I'm using JPA 2.1 and Hibernate 4.3.7
I tried to tuned my app so I turn relationships to lazy and fetch only what I need them
I have a problem with the many-to-one relationships, when turn to laz...
Ootid asked 31/3, 2015 at 16:1
2
I'm trying to select the matching row in the product_item_sortorder table based on a productId and toolboxItemId from the product_item table.
In normal SQL that would be for a given productId:
SE...
Reitz asked 8/4, 2011 at 8:32
2
I am new to Symfony and Doctrine.
I have an entity "User" and an entity "Type". One user can have one favorite type and one type can have many users that have that specific type as favorite. So I ...
Infralapsarian asked 27/9, 2014 at 2:27
2
Solved
I'll simplifly my code, I have te next:
Doctor entity:
use ...\...\Entity\Paciente;
class Doctor extends Usuario {
public function __construct() {
...
$this->pacientes = new ArrayCollec...
Puncture asked 20/2, 2013 at 11:48
1
Solved
I am trying to get my @OneToMany and @ManyToOne relationships correct.
Class 1:
@Entity
public class IdeaProfile {
@Id
@GeneratedValue
private int ideaProfileId;
private String name;
Date date...
Trim asked 23/3, 2014 at 13:44
2
Solved
According to book Pro JPA 2 the main difference between unidirectional @ManyToOne and @OneToOne is that in @OneToOne:
Only one instance of the source entity can refer to the same target entity i...
Rhyne asked 14/2, 2014 at 21:23
3
Solved
I did a small application with more relationships. Now I want to delete details of my table how can I delete I don't get any Idea to delete.
Relationships are like below:
PanCard-->Employee (On...
Caulfield asked 5/2, 2014 at 6:18
3
I am doing Many To One relationship using JPA . While deleting child object from Child table it's throwing exception.
Below is My code:
Project.java
@Id
@GeneratedValue(strategy=GenerationType...
Starbuck asked 4/2, 2014 at 6:44
1
Solved
Let's first describe my situation. I am using Symfony2 and I have a problem with a relationship between my entities.
I have two entities that are linked together. The two entities are AssociationQ...
Alpheus asked 30/1, 2014 at 0:19
2
Solved
Suppose there is an abstract model CarOwner: whereas a Person or a Business can be a CarOwner. In addition a Car with a certain VIN can belong (relate) to either a Person or a Business, but not bot...
Stately asked 4/1, 2014 at 20:58
3
I'm trying to create a UniqueEntity with 2 fields (both are ManyToOne fields).
The code is as follow:
/*
* @ORM\Table()
* @ORM\Entity
* @ORM\HasLifecycleCallbacks()
* @UniqueEntity(fields={"user"...
Poleaxe asked 11/6, 2012 at 16:12
2
Solved
So, this is my first time learning computer language. And I chose python and django. Now, I got many of the basic concepts of python and also django. I can create new page with the views and all ot...
Neilson asked 28/10, 2013 at 17:59
1
My New Project is in Hibernate 4.2.5.Final and Spring. After Login, I am storing the user object in the session.
Now after successful login, I need to insert one record in the application lo...
Lory asked 19/9, 2013 at 13:11
2
Solved
I am using Hibernate 3.3.1 and i would like to create a relation between persons and an assigned company. They should be loosely coupled, but i would like to arrange
to create a company via cascade...
Compliancy asked 20/8, 2013 at 21:54
1
Solved
I am trying to set up some ManyToOne/OneToMany relationships on objects in my database using Doctrine (2.2.3+) via Symfony2 (2.3.0) and am getting a strange error. Here are the relevant parts of th...
Dealing asked 11/7, 2013 at 0:39
1
User have n Contacts. A Contact can have a localized Comment (Comments are shared between Contacts). Java Beans:
@Audited
@Entity
public class User {
@OneToMany(fetch = FetchType.EAGER,
cascade ...
Somaliland asked 27/1, 2012 at 12:30
3
Solved
I've inherited a hibernate application and I've run into issues. It seems that the code does not save the child in a One-To-Many relationship. It's bidirectional, but on save of parent object, it d...
Unalloyed asked 7/11, 2012 at 2:11
1
Solved
I have a m:n relationship book - borrow - user, the borrow is the join table.
The tables are given (can not be changed):
on one side they are used by jdbc app as well.
on the other side i would ...
Recital asked 21/7, 2012 at 21:38
2
Solved
Even though my question is worded specifically to the way Entity relationships are depicted in the Play framework, which uses Hibernate, I am sure this is a general concept.
When we have a one-to-...
Jiggermast asked 20/12, 2011 at 7:18
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