In computer science an entity is an object which has an identity and can be uniquely determined, holds storable information or can be processed. As the term has a very abstract and general meaning prefer to use this tag only in conjunction with other more specific tags.
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Entity Framework not always including child entities
I have a User that is assigned to a Client. When pulling out the User object, I get the Client object as part of it. Simple.
This works as it should when logging in. The User object has a Client, no ...
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2answers
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JPA Entity class Relationship
I have the following Entity class structure
Product class
@Entity
@Table(name = "PRODUCTS")
public class Product implements Serializable{
@Id
private productSlNo;
@Column(name = "PRODUCT_ID")
...
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0answers
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EntitySet schema value dbo instead of database.dbo
Running EFProfiler found that the query running behind the scenes was
SELECT [Extent1].[Total] AS [Total]
FROM [dbo].[Invoice] AS [Extent1]
The problem is that the DB name is incorrect. It should ...
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1answer
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Ebean lazy load to see if resource exists
I am creating a REST API using play framework. I want to use lazy loading ( finder.ref(id) or Ebean.getReference(id) ) to see if an enity with a specific id exists in database. If it doesn't exist, I ...
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2answers
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JPA Entity for Drop Down columns
I am using JPA 2.0 with Hibernate 4.1.0, I have the following in my Entity class
@Entity
@Table(name = "PRODUCTS")
public class Product {
private String productNo;
private String productDesc;
...
2
votes
1answer
32 views
Clone an entity before form bind
With Symfony2, I need to save an entity before use $form->bind() to compare the old and new one before flush.
I tried some functions :
$command = $repository->findCommandProductsByCommand( $id );
...
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0answers
9 views
Translating foreign key to object references in SpringJDBC
I am learning SpringJDBC and came across this post. Everything is clear except translating entities with foreign keys. For example, if now I have one more Course entity, with a foreign key to Person ...
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1answer
42 views
MS Dynamics CRM. Get users who current record shared with
I have a entity record which is shared with or more users. I would like to unshare this record when Deactivate it. I want to do that in Plugin. But I can't understand how to get all users from sharing ...
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How to persist a Map<Enum, Entity> with JPA 2
I got a problem with how to annotate with JPA 2 when trying to persist a Map where the key is an enum. I find quite a number of somewhat similar questions asked before, but none quite have the same ...
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3answers
41 views
find max value of columns using where method
Heres another problem :
public int GetMaxValue(string listTask , int listActivity)
{
int maxQNo = Convert.ToInt32(context.questions.Max(q => q.QuestionNo).Where(q.TaskName.Contains(listTask) ...
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1answer
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entity framework Where method
i need some help in this , how do i write a where clause statement where i want to retrieve record based on 2 columns :
This is how i am trying to write in code :
public IList<Model.question> ...
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1answer
23 views
Play Framework Entities connection
this is a beginner question, I'm trying to work with play framework and I have a question I can't seem to figure out
Lets say I have classes A and B defined as
package models;
@Entity
public class A ...
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1answer
15 views
Not able to insert using entity manager ORA00904
I am very new to the concept of EJB's. I am trying to insert values from the front end into database using Entity classes but every time I do that, i am getting this error:
...
0
votes
1answer
34 views
How to deal with calculated entity attribute
Let's say there is an entity called Staff.
It has a number of persistent attributes, such as:
- Name
- Experience
- Age
I want to create a "virtual" attribute, that is based on the Experience and ...
1
vote
1answer
31 views
How to fetch all to many items from a specific Core Data parent entity ID
I am pretty new to this and assume I am missing something very simple, I have tried this site and anywhere I could search but found no straightforward answer.
My situation..
My model can have many ...
