Type mapping mysql typ text to java hibernate!
What is the correct mapping type from MySql data type text to java using hibernate? @Column(name = "STACKTRACE", length = Integer.MAX_VALUE) public String getStacktrace() { return this.stacktrace; } ...
hibernate
Hibernate Uppercase
When I try to map a table in my database with a bean in my application using hibernate xml mapping files ...hbm.xml I obtein the fallowing resulteverytime I run the app: INFO: table not found: especies Initial SessionFactory creation failed.org.hibernate.HibernateException: Missing table: especies I've realize the problem is ...
Managing dependencies of OSS projects
I'm a contributor to a Java Open Source project which integrates with Hibernate. I'm fairly new to the Open Source scene (as a contributor), and would like advice on how to manage dependencies. What are the best strategies / approaches for managing changes to the Hibernate codebase within our project? For example, nestled deep within ...
How to create an @Entity with a parent/child relationship
I am creating a website that will have articles; each article will have comments. These comments will be stored in a "comment" table with a field called "parent_id" that is a foreign key to the field "id" in the same table. I am hoping to use Hibernate to recursively grab all of the comments for a specific article. Here is my Entity:...
Java MYSQL Connection hangs in Windows 7, Works on Mac
The same programs work on the Mac but does not seem to work on Windows. I have tried using both hibernate and a regular mysql.connection but both seem to hang. My firewalls are all off and I have no problem connecting to the database through 3rd party programs like sqlyog or even through the HQL query generator in netbeans. But when it ...
How do you put raw-sql projections in an object using Hibernate?
Let's say I have a query that begins with the following projections: SELECT t.term as term, count(g.id) as amount This is raw sql, and I am using createSqlQuery on the Hibernate session object. What I'd like to do is take these projections and put them in an object that has a "term" and "amount" properties. With HQL, we can use "sel...
Hibernate and Serializable Entities
Does anyone know if there is a framework out there that is able to strip out Hibernate collections from entity classes to make them serializable? I had a look at BeanLib but it only seems to do deep copies of entities while not allowing me to specify implementation mappings for the collection types in my entity classes. BeanLib currently...
web application structure hierarcy problem
Below an illustration of my project hierarchy When i try to connect my file_name.java file to hibernate i'm getting these errors Exception in thread "main" org.hibernate.HibernateException: Could not instantiate cache implementation at org.hibernate.cache.CacheFactory.createCache(CacheFactory.java:64) at org.hibernate.impl.Se...
Hibernate not JPA compliant regarding @Access?
According to my JPA 2.0 book (and online documentation), I should be able to mix field and property access within a single entity or entity hierarchy. The annotation of @Access on the class specifies the default access. When placed on a field or property getter @Access can specify that the default should be overridden for this field. ...
Manipulating join table row ordering using Hibernate annotations
I've done something similar to this with hbm files but so far I haven't found an equivalent using annotations. What I'd like to be able to do is create an association across a join table where the join table contains an order colum for the association (sorry for any incorrect terminology here). At the very simplest, the tables might lo...
Java, Hibernate,Spring
I have 2 entities User and Status. I can load users list and can see its sql(log) in console (select this_.id as id0_0_, this_.cl_point_id as cl2_0_0_, this_.date_ll as date3_0_0_, this_.date_reg as date4_0_0_, this_.name as name0_0_, this_.passw_salt as passw6_0_0_, this_.status_id as status7_0_0_, this_.passw as pass...
Criteria query whith FROM clause which contains only one query and does not contain any tables
Hi all. I have the following query and I don't know how can I write it using criteria. SELECT questions_cnt, COUNT(*) users_cnt FROM ( SELECT COUNT(DISTINCT question) questions_cnt FROM UserAnswer GROUP BY user ) t GROUP BY questions_cnt I have started to write criteria query. It looks like the following final DetachedC...
HibernateTemplate Save Not Throwing Exception when trying to insert duplicate Key row.
Hello, I m using Spring's HibernateDAOSupport class to handle my DAO. my problem is that when I use getHibernateSupport().save(order) when order already exist in the database, it just update the database row instead of throwing some kind of Exception. my Hibernate hbm.xml file is : <hibernate-mapping> <class name="com.shopping.db.Cust...
Conditional mapping in Hibernate 3.0?
How to create mapping in hibernate that depends on the type property, insert/retrieve the data into/from proper column. Structure: TABLE COLUMNS: |TYPE | CHARACTER | DATE | TIME | NUMERIC| POJO: class Pojo { private int type; private Object data; ... } Examples: Insert/Update If the type is 1 we input the value to colum...
how to query last inserted Guid in hibernate
hi can any body tell me how i can get the last in serted id in hibernate like in my sql i used the query like this:=="SELECT LAST_INSERT_ID()" how i can represent this in hibernate thanks in advance ...
NHibernate: Removing child from many-to-many relationship causes exception
Hi everyone, I've been battling with this issue for a couple of days now. I have a couple of classes in a many-to-many relationship, configured like so: <class name="Entry" table="Entries"> <id name="Id" column="Id"> <generator class="native" /> </id> <timestamp name="LastUpdated" column="Entry_LastUpdated" generated=...
understanding hibernate cache
If I have this method in object class: @OneToMany( fetch = FetchType.EAGER, cascade = { CascadeType.ALL }, mappedBy = "object" ) @org.hibernate.annotations.Cascade( {org.hibernate.annotations.CascadeType.SAVE_UPDATE}) @Column( nullable = false ) public Set<ObjectEntry> getObjectEntries() { return this.objectEntries; } ...
how to retrive entity without duplication even though its child are fetched?
I have object called Property. in this multiple concerns associated. <class name="Property" table="T_PROPERTY"> <id name="propertyId" type="integer" column="PRTY_ID"> <generator class="native" /> </id> <property name="propertyName" column="PRTY_NAME" type="string"/> <many-to-one name...
How to use the eclipse Hibernate Tools with grails and MySQL
I've managed to connect from eclipse Hibernate Tools to my MySql Database used with grails, classes mapped by GORM. Now I'd like to perform HQL queries on the DB using the Hibernate Tools. However Hibernate Tools tells me for every table that it is not mapped. My question: Do I really need to write all the class mappings manually into ...
Hibernate 3.5.x: NoSuchMethodError: javax.persistence.OneToMany.orphanRemoval
I'm trying to upgrade to Hibernate 3.5.3-FINAL. When running my unit tests, I now receive the following exception: java.lang.NoSuchMethodError: javax.persistence.OneToMany.orphanRemoval()Z at org.hibernate.cfg.AnnotationBinder.processElementAnnotations(AnnotationBinder.java:1837) My classpath contains the following JAR's: From th...