Recent questions tagged jpa

0 votes

689 views

1 answer

jpa - Cannot inject RESOURCE_LOCAL container managed EntityManager using @PersistenceContext

I am using JBoss AS 7.1.1 and able to configure a new JTA datasource and wire it to my EJB ... use RESOURCE_LOCAL PU with @PersistenceContext? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

846 views

1 answer

jpa - eclipselink connection pooling

If connection pooling is not defined in the persistence.xml for eclipse link, what is the default behavior? Will ... pool with some defaults? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

467 views

1 answer

jpa - Criteria API: Fetch of a list returns repeated main entity

I have the following Entities; Ticket contains a set of 0,N WorkOrder: @Entity public class Ticket { ... ... a fetch requires a DISTINCT command See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

630 views

1 answer

jpa - Why @OneToOne is allowing duplicate associations?

I have User and Address classes as follows: class User { ... ... @OneToOne( cascade=CascadeType.ALL) ... true" condition..right? -Siva See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

605 views

1 answer

jpa 2.0 - Subquery in From claus in JPA2 Criteria

I have a data model where an account can have multiple users: class Account { Long id; } class User { Long ... my query using JPA2 Criteria API? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

533 views

1 answer

jpa - Mapping value in junction table to Entity

I have a USER table and a COURSE table. A USER can have many COURSES, and a COURSE many USERS. The ... so the junction table is nonnegotiable. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

478 views

1 answer

jpa - Choosing between java.util.Date or java.sql.Date

Should I use java.util.Date or java.sql.Date? I have a VisualFox database and I have retrieved the ... many methods declared as deprecated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

557 views

1 answer

jpa - Java Hibernate with Persistence Question---if FetchType is not defined, what is the default method?

I am new to Hibernate and JPA. I wrote some functions, initially, I set fetch = FetchType.LAZY in the ... { this.invoiceList = invoiceList; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

874 views

1 answer

jpa 2.0 - Triggers versus JPA Event

I'm doing a Web application using Spring 3.1.0.RELEASE, JSF 2.x, JPA 2 with Hibernate Provider, MySql 5.1 ... and the MySql's triggers ? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

jpa - org.hibernate.MappingException: Could not determine type for: java.util.Set, at table: USERS, for columns: [org.hibernate.mapping.Column(invoices)]

I have a problem that Hibernate is unable to determine the type for Set at the table USERS. I ... = invoiceItemsDetails; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

414 views

1 answer

jpa with https request multithreading spring

I'm working with spring JPA and HTTP post request, fetching the data row by row then post the data ... findby and http post with multithreading See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

2.0k views

1 answer

jpa - How to filter child entities collections with predicate?

I have an entity service on which I need to filter a collection of child entity, based on a list of id's. My ... ! Thanks a lot for your help! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

571 views

1 answer

jpa - OpenJPA - lazy fetching does not work

I have a specific problem with an unit test using embedded OpenEJB container. I have a bi-directional relation ... externally via a getter. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

570 views

1 answer

jpa 2.0 - Does JPA have something like hibernates '@GenericGenerator' for generating custom ids?

I'm trying to create a custom way of computing and passing unique id's that follow my own pattern. Hibernate has ... 2 ? Thanks for your time. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

572 views

1 answer

jpa - JPQL, How to NOT select something

I have a pretty simple SQL I need to perform. I have a ProcessUser, Role and a ProcessUserRole table. A straight ... not in ( 'sysadmin' ) ) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

942 views

1 answer

jpa - @NamedQuery override findAll in Spring Data Rest JpaRepository

Is there a way to override the findAll query executed by Spring Data Rest? I need a way of filtering the results ... apply it to the result set. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

396 views

1 answer

jpa - Prevent Hibernate from deleting orphaned entities while merging an entity having entity associations with orphanRemoval set to true

Taking a very simple example of one-to-many relationship (country -> state). Country (inverse side) : ... () and EntityManager#find(). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

576 views

1 answer

jpa 2.0 - Many to Many hibernate inverse side ignored

Hi am reading the hibernate documentation. http://docs.jboss.org/hibernate/annotations/3.5/reference/en/html/entity ... does this mean? Example? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

709 views

1 answer

jpa - Bean Validation constraint(s) violated while executing Automatic Bean Validation on callback event:'prePersist'

I would like to store birthdate so I chose date at MySQL, when I create my entities based in my database, it turns out ... password + "]"); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

616 views

1 answer

jpa - Hibernate EntityManager: remove referenced entity not working

I'm currenetly trying hard to delete an entity, that is involved in various relations (Only @ManyToOne) - However ... unlinked entity - no luck. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

602 views

1 answer

jpa 2.0 - How to create a composite primary key which contains a @ManyToOne attribute as an @EmbeddedId in JPA?

I'm asking and answering my own question, but i'm not assuming i have the best answer. If you have a ... but is handled as an @EmbeddedId? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

523 views

1 answer

jpa - Does Guice Persist provide transaction scoped or application managed EntityManager?

We use Guice Persist to inject EntityManager in our project. E.g. public class MyDao{ @Inject EntityManager ... managed entity managers)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

777 views

1 answer

jpa - Change default sort order for Spring Data findAll() method

I'm using Spring Data JPA and I wonder if it is possible to change the default sort order for a entity ... the Spring Data findAll() method? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

639 views

1 answer

jpa 2.0 - FetchMode in JPA 2 CriteriaQuery

I'm currently in the process of switching from Hibernate to pure JPA 2 (which by the way turned out to be much ... way to do this with JPA 2? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

508 views

1 answer

jpa - Eclipselink 2.5 Metamodel Generation using Maven

I would like to know how to generate static metamodels using Maven and Eclipselink 2.5. It worked fine by adding this ... there help me? =) B.R See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

496 views

1 answer

jpa - a new object was found through a relationship that was not marked cascade PERSIST

In trying to get a @OneToMany relationship between Article and HeaderField I probably have the mapping not quite ... trace what's happening. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

439 views

1 answer

jpa - EJB 3 or Hibernate 3

Regarding a Java EE Web application which is going to be served by a full Java EE Application server e.g. ... 3 or Hibernate 3 And why? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

825 views

1 answer

jpa - @Transient annotation, @org.springframework.data.annotation.Transient annotation, transient keyword and password storing

Currently I'm learning the Spring framework, mainly focusing on it's Security Module. I've watched some guides ... guidance and help in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Just Browsing Browsing

Most popular tags