1. How to avoid type safety warnings with Hibernate HQL results? stackoverflow.comFor example I have such query: |
2. Hibernate Query API and Java 1.5/Generics stackoverflow.comAll APIs in Hibernate are from 1.4 and are thus not using java generics. So I wonder how "safe" the following is: (preconditions: name column is of datatype String, or atleast compatible ... |
3. Java generics question - Class |
4. Typesafe Primary Key in Hibernate/JPA stackoverflow.comI am looking for a way to have a typesafe primary key for my entities using generics in Hibernate. Instead of doing this |
5. Value of 0 in Hibernate IndexColumn mapped with base=1 stackoverflow.comWe are using Hibernate Annotations 3.4.0GA and Hibernate Core 3.3.2.GA (also known as the current stable versions) against an Oracle database We have a One-to-Many mapping with base=1 which worked fine for ... |
6. How to handle JPA annotations for a pointer to a generic interface stackoverflow.comI have a generic class that is also a mapped super class that has a private field that holds a pointer to another object of the same type: |
7. Dynamic Inheritance - Java stackoverflow.comDynamic Inheritance I have a situation where I want a class (which is a JPA entity) to be able to extend either class A or class B dynamically. My thought was to ... |
8. Hibernate and generics stackoverflow.comIn Java I have a class tha has a payload of type T |
9. unchecked generics usage warning on getAllClassMetadata() instance method of org.hibernate.SessionFactory stackoverflow.comI just cant understand this. I'm calling ? ... |
10. Java Generic DataSource aggregation framework stackoverflow.comI there a framework that i can use to wrap various datasources and make the datasource specific details transparent to the client. Eg a wrapper that can wrap both a jackrabbit ... |
11. Java Generics error when implementing Hibernate message interpolator stackoverflow.comFramework: Spring, Hibernate. O/S: Windows I am trying to implement hibernate's Custom message interpolator following the direction of this Link. When implementing the below class, it gives an error "Cannot make ... |
12. generic data grid filtering stackoverflow.comI have been working on a generic solution to filter data using Nhibernate. The code looks like this: |
13. JPA generic field stackoverflow.comIs it possible to persist a generic field?
I have this property on an |
14. Generic approach of using LIKE, PERCENT and CONCAT in a JPQL query stackoverflow.comI'm doing some JPA 2.0 queries inside my JEE6-app, where i use Named Queries with Parameters. My current query is a "find-by-all" query with just one parameter. |
15. Java Persistence Criterias; Cast Expression |
16. HQL query results "cannot be used in this generic collection" when returning a subclass stackoverflow.comGiven the following:
A Company has a collection of Product objects. |
17. HQL generic mapped class stackoverflow.comHave this C# FNH config: |
18. Deserialize java generics collection with json stackoverflow.comI am trying to serialize and dederialize an answer from hibernate. |
19. Generic object returned instead of class entity in hibernate query stackoverflow.comI am running a hibernate query which is returning an Object instead of the correct entity object. The statement is as follows: |
20. Generic ADO.Exception NHibernate stackoverflow.comI have this table: TABLE "Set": [PK:IdSet (int), IdProject (int),IdSetState(int),IdPriority(int),NumSet(int),Unit(nchar),NumDisc(int)] So, I make the Test NUnit for insert a value in this table. This is my Test method: |
21. Hibernate mapping for parameterized classes stackoverflow.comI've been wondering for some time if it was possible to use Hibernate with parameterized classes. Can it handle something like this? Is there some other way to do it? |
22. Generics and the Play Framework stackoverflow.comI am using the Play Framework in it's current version and my model classes extend play.db.jpa.JPABase. Today I tried to make an often used type of query generic and define a ... |
23. Why are Java value objects coming back as Generic Flex objects? stackoverflow.comI will try to give as much detail as I can. I am creating an CRM application using Flex(Cairngorm 2)/Java/Hibernate. The basic problem I am having is this: I have a Customer class ... |
24. Using hibernate with generics stackoverflow.comI am having some trouble understanding how Hibernate deals with generics and was wondering the best way to accomplish my goal. Given a simple generic entity: |
25. hibernate and generic field mapping stackoverflow.comI want to map a generic field in a superclass with Hibernate. My mother class is : |
26. How to map Java generic instances with Hibernate stackoverflow.comI'm trying to map Generic types in Hibernate. I've searched and couldn't find clear answers how to do it. Help will be much appreciated. Here are some example classes: |
27. Eclipse warning: Type safety (Java Generics) stackoverflow.comI have the following Hibernate code: |
28. Dozer mapping non-Generic Collections to properties stackoverflow.comI have some class structure as follows. These classes are hibernate classes so I cant change them. |
29. How can I wrap Play/JPA's Model class with a generic Repository? stackoverflow.comI don't like working with models objects directly, because this breaks encapsulation. Instead, I prefer the Repository Pattern. When I try to implement a simple repository |
30. Create a generic method that used JPA2 and CriteriaBuilder stackoverflow.comI'm developing a web application that use JSF2 and JPA2 frameworks. I started using the wizards on netbeans7.0 and the "New JSF Pages from Entity Classes" created a classAbstractFacade" contains this useful ... |
31. How to define Generic Collection types in JPA Entity table column coderanch.comHi All, I am trying to define a generic Collection List |
32. Generic Hibernate Fetching coderanch.compublic class Item { private String name; private Set categories = new HashSet(); private Set bids = new HashSet(); private Bid successfulBid; ... } ---------------------------------------------------- public class Bid { ... private Item item; ... } ----------------------------------------------------- public class User { private Address shippingAddress; private Set billingDetails; .. } ----------------------------------------------------- public class Category { private String name; private Category parentCategory; private Set ... |
33. Generic where column in JPA join coderanch.comI have a column called "active" in most of my tables and I would like to apply a generic where active=true to the all the joins without explicitly declaring it in each where down through the select. Ideally in the Join column annotation there would be an attribute that would allow qualifying that join such that it only ever comes back ... |
34. generics and hibernate coderanch.comHello, Well first of all, this is my first post. So hi! Second of all, following full disclosure, this is cross-posted on stackoverflow however there were a lack of answers so I decided to reach out further. Given the following Java class: @Entity public class Box |
35. General idea about generics and JPA 1.0 java.netThe implementation crashes, as it failes to determine the type for T. I think this is no bug of the implementation, since it's simply not covered by the JSR-220 spec. My workaround was to change the access for the property accessors to the raw type List and annotate the property with "targetEntity = Bar.class". I get the expected warning about the ... |
36. Foreing keys using generics not working as expected forum.hibernate.orgHello, I'm using Hibernate on JBoss 4.3.2 using standard JPA annotations. I have the following classes: Code: @Entity @Inheritance(strategy=InheritanceType.TABLE_PER_CLASS) public abstract class A { } @Entity @Inheritance(strategy=InheritanceType.TABLE_PER_CLASS) public abstract class B |
37. Persisting a "generic" set of objects forum.hibernate.orgI have this doubt for some time, couldn't find any info in my documentation, it's about how Hibernate persists a "generic" set of objects: Suppose we have a class Customer with a Set of Automobile: Set |
38. Java 5 Generics and Object forum.hibernate.orgI'm having problems mapping Generics in Hibernate. Our database tables are all designed the same way and each table has an identifier with ID and DATE. ID can be an Integer or a String. I created a generic class, which can accept Integer or String as valid types for the ID-field. So far so good. However, Hibernate doesn't know the type ... |
39. Bug on Hibernate 3.5 and 3.5.1 related to Generics. forum.hibernate.orgNewbie Joined: Fri Apr 09, 2010 5:49 am Posts: 9 I tried migrating my project from hibernate 3.4 to hibernate 3.5, and it seems there are problems with generics. I post my example entities... similar to the one I have it (that are to complicated). I get an error in the mapping of the OneToMany associationg. First entity Code: @Entity public ... |
40. Generics with wildcard bug forum.hibernate.orgSEVERE: an assertion failure occured (this may indicate a bug in Hibernate) org.hibernate.annotations.common.AssertionFailure: Fail to process type argument in a generic declaration. Member : de.lsb.sample.persistenceinfrastructure.basic.domainmodel.entity.account.implementation.AccountImplJPA#histories Type: class sun.reflect.generics.reflectiveObjects.WildcardTypeImpl at org.hibernate.ejb.metamodel.AttributeFactory$PluralAttributeMetadataImpl.getClassFromGenericArgument(AttributeFactory.java:846) at org.hibernate.ejb.metamodel.AttributeFactory$PluralAttributeMetadataImpl. |
41. Mapping collection with interface as generic type forum.hibernate.orgNewbie Joined: Tue Jul 27, 2010 9:46 am Posts: 2 Hi everyone! (it's my first post on hibernate forum) At the beginning I would inform that I am hibernate newbie, so your patience is very appreciated. My question refers to mapping the following class hierarchy: (the following code is complete and ready to run if you wish to try it in ... |
42. Creating generic SQL query using setParameter forum.hibernate.orgThank you both. Unfortunately I am using a JPA implementation that doesn't allow criteria, not Hibernate. Now I am having this problem: the value field is String but I wanted to pass anything there (string, double, int...). The problem is that setParameter needs to know the actual type of value, or it will return empty when trying to search for a ... |
43. Generic Question about Hibernate Development forum.hibernate.orgHi All, we are working on a web application where my team is responsible for the development of the core functionality of the application and development of ORM layer is the main area of concentration. We have already pointed out all the major entities and other main component with respect to persistence layer and have started out implimentation for the same. ... |
44. Generics with JPA forum.hibernate.orgI had the setter originally in the base class. If i moved the getter and setter to the concrete class and remove the generics, it seems to work. But i would prefer to keep it in the base class, so i don't need to re-implement the getter / setter in every subclass. |
45. How to map a generic sql at rutime forum.hibernate.org |
46. Generic SQL subselect statement for clob (select, group by) forum.hibernate.orgHi All, I've declared a Hibernate column as type "text" and internally we created the column as "longtext" in MySQL, "nvarchar" in SQL Server and "CLOB" in Oracle. I've defined a view in subselect in hbm file and it works fine for mysql but it failed in other databases since i've selected the above clob field and used in group by ... |
47. JPA and generics forum.hibernate.org |
48. generic way to get the index of a collestion forum.hibernate.orgI notice that PersistentCollectionType has a method to generically interate over the elements of a collection, but not the index values. Is there any particular reason for this? I know that indexes are pretty much only useful for Maps, but the lack of a getIndexesIterator method seems comspicuously absent and I'm wondering if there's something I'm missing. |
49. Span/generics support, as in ObjectSpaces? forum.hibernate.org |
50. generic class to hold mapped data for dynamic data models forum.hibernate.orgI have a somewhat unique requirement: our database can be enhanced by the client - so in my application I do not control all the tables. However, I can dynamically determine the table and column names, PK and FK relationships. Short of dynamically generating the required class and the the mapping - how can I use Hibernate to dynamically define a ... |
51. mapping one generic class to a table dynamically forum.hibernate.orgHello, I would like to map a "meta-class" to a table depending in the values from the meta- class. The usual way to map classes to tables is that you have a class named "Car" and a table named "TABLE_CAR" and you do the mapping in hqm. I want to map a class named "GenericClass" to a table named "CAR" if ... |
52. Java Metadata and generics forum.hibernate.org |
53. left join of collection results in generic java.lang.Object forum.hibernate.orgHello, I'm using Hibernate 2.1.2/MySQL 3.26 for a Tibetan Dictionary application and now I am struggling with an HQL query that joins a collection but returns objects of class java.lang.Object that are of course not castable to any mapped subclass. I'm trying to set constraints in the where clause based on values of objects in an indexed collection. I've solved all ... |
54. is this a generic clusterable id generator forum.hibernate.orgJBoss jBPM Developer Joined: Thu Aug 28, 2003 11:56 am Posts: 30 Location: Belgium Hi guys, I have written something that I think is a generic clusterable id generator. It doesn't require your db to support locking and its all written in standard java (no j2ee dependancies). I want to know 1) if you can spot a flaw in the ideas ... |
55. Returning unmapped generic Java types from createSQLQuery forum.hibernate.orgIs it possible to return generic Java Types using an SQLQuery ? List list = sess.createSQLQuery("SELECT count(*) FROM FXOData", "", Object.class).list(); The above code returns an Integer that is an unmapped type. When I run the query I get. net.sf.hibernate.MappingException: No persister for: java.lang.Object Is there any way to do this in hibernate ? Many Thanks Alan |
56. Generic Query parameters forum.hibernate.org |
57. How can I use one "generic" Getter for a set of pr forum.hibernate.orgHi, I'm using Hibernate 2.1 and couldn't quite figure out how to write a custom property accessor that is capable of mapping between the properties of a Java class and the database columns where the java class does not have JavaBean style getters/setters for most of the properties. My Java class basically has the followng structure: public class Foo { private ... |
58. Hibernate3 and Generics forum.hibernate.org |
59. generic BLOB / CLOB strategy for Oracle, MySQL and Postgres forum.hibernate.orgNewbie Joined: Thu Jan 29, 2004 5:33 am Posts: 9 Hi all, I'm another Hibernate user who resents the incompatibility that the major databases (don't feel offended if your favourate db is not in the subject :) show with respect to clobs and blobs. Because the problems are generally the same for clobs and blobs, I will continue to call them ... |
60. Generic strategy for managing blobs forum.hibernate.orgI am using hibernate to manage persistence and i was wondering whether there was a generic strategy for managing blobs. For MySQL i want to map this property to a longblob but i do not want to specify the sql-type since I want to eventually support other database types. Is there a best practice for handling this scenario? |
61. Generic table example forum.hibernate.orgHi, I have a generic 'Cost' table. Two other tables (Car and Bike) share this Cost table. So (for instance), instead of having: table cost { cost_id number, bike_id number nullable, car_id number nullable, amount number } I have: table cost { cost_id number, linking_id number, linking_type varchar(2) amount number } So in future, if a new entity wants to have ... |
62. Java 1.5 Generics unchecked conversion warning forum.hibernate.orgUsing: hibernate version 2 jdk 1.5.0_01 (in Eclipse version 3.1 - stable build) I am getting a compile time warning when I retrieve a List of objects through hibernate and try to cast it to a generic List ie. Code: public List |
63. generic prefetching forum.hibernate.orgHibernate version: 3.0.5 I know that you can configure your mapping files with eager fetching, subselect fetching, batching, etc., and you can also use join fetching in HQL queries or equivalent in the Criteria API, but is there any way to prefetch relationships on a specific set of objects without refetching the source objects, or modifying the mappings? What I am ... |
64. Hibernate 3 mapping of Java 5 Generics forum.hibernate.orgI'm not asking about a generic collection. I'm asking about a generic class created by the user. As a quick example: class MetaData |
65. Generic Blob retrieval? forum.hibernate.org |
66. generic validation mechanism forum.hibernate.orgHibernate version: 3 Name and version of the database you are using:Sql server 2000 Struts version: 1.2.7 Hi, I'm building a simple webapplication with struts and hibernate and I'm trying to achieve the following behaviour: When an object is saved it is first validated by Struts. You have great design patterns for this. However since I've already specified the size and ... |
67. Is there a problem using generic Collections w/ Hibernate? forum.hibernate.org |
68. Java 5.0 Compliance with generics and queries forum.hibernate.orgjava 5.0 update 4 Hibernate 3.1 Eclipse 3.1 Does anybody have any examples of using generics (java 5.0) with Hibernate 3.1, any queries I do, I have to preface the method call with @SuppressWarnings("unchecked"), I'd really like to be to get rid of that annotation. I've almost got it, except for the Session.createQurey() method. List |
69. Persisting Java 5.0 generics forum.hibernate.orgHi everybody, Is it possible to persist a generic type with Hibernate (3+) ? And if it is, is there a special grammar to apply to the mapping file ? I have a custom generic class, which takes one instance of the specified type as one value object (so maybe a polymorphic mapping is possible). Thanks for reading my question. Christophe ... |
70. Generics problem; ...ClassCastException: java.lang.String forum.hibernate.orgHello, I'm having a problem with my Hibernate/Spring application, getting the following error while trying to display a Hibernate persisted pojo: Code: ERROR: Invalid property 'id' of bean class [ro.crispico.gioppi.model.Driver]: Getter for property 'id' threw exception; nested exception is java.lang.reflect.InvocationTargetException: null org.springframework.beans.InvalidPropertyException: Invalid property 'id' of bean class [ro.crispico.gioppi.model.Driver]: Getter for property 'id' threw exception; ... |
71. Problems mapping too generic legacy database forum.hibernate.orgHibernate version: 3.1 Name and version of the database you are using:Oracle 10G I'm having problems mapping our legacy database schema. The problem is that it's actually created in a too generic way. I'll try to sketch the situation with a stripped down example: Code: TABLE OUR_OBJECTS columns: NUMBER ID VARCHAR ... |
72. Generating map file for Generic classes? forum.hibernate.orgCan somebody help me with where to look for information about how to go about annotating Generic classes so that a correct mapping file will be generated? If need be, I am willing to enhance the HbmWriter to do the job, but I'd rather not go off and re-invent the wheel if this problem has already been solved. TIA. |
73. Article Generic Data Access Objects forum.hibernate.org |
74. How to map Java 5 generic types? forum.hibernate.orgpublic class Employee extends Person |
75. Generic BusinessClass->Attribute->AttributeValue Mappi forum.hibernate.org// load specific business-class objects from the DB BusinessClass bo1 = BusinessClassDAO.get(1); BusinessClass bo2 = BusinessClassDAO.get(3); AnotherBusinessClass bo3 = AnotherBusinessClassDAO.get(3); // load Attributes from the DB Attribute attributeA = AttributeDAO.get(1); Attribute attributeB = AttributeDAO.get(2); // attributeA now contains a set of all elements of class // AttributeValue this Attribute may have attributeA.printValues(); A B C D // attributeB now contains a ... |
76. Problems in mapping generic associations forum.hibernate.org |
77. Generic class ? forum.hibernate.orgHello, I would like to use Hibernate. Currently, I use dods to map my java and my DB. But, we wish to evolve our platform. Is it possible to create a "generic" class "linked" with several tables. A strategy "Table per concrete class" (documentation section 9.1.5.) could correspond to our waiting. But in this case, we are required to create the ... |
78. mapping of generic values table forum.hibernate.orgHi, It is possible to integrate Hibernate into the following DB-Schema and object model without changings of the structure? DB-Schema: UnitReport 1-n UnitReport_Attribute_Value n-1 Attribute UnitReport(Id, StartEndTime...) Attribute(Id, Name, DatatypeID) UnitReport_Attribute_Value (Id, ValueDouble, ValueString, ValueBoolean). The obj model looks as follows. Each UnitReport contains a Map of attribute and value pairs, whereas the attribute has the same structure such as the ... |
79. ClassCastException when using Java5 Generics forum.hibernate.orgpublic class Contract |
80. How to use Generics forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.0.x Name and version of the database you are using: MySQL 5.x with InnoDB Hi, I am all day looking for a way to map a generic class, like this Code: public class Version |
81. Mapping for generic classes forum.hibernate.orgHello i'm new to hibernate so i need a little help. I already googled for about 4 hours. Here's my problem I want to map a generic list like Code: public class ClassWithList { private List |
82. proper mapping of java 5 generics as ArrayLists forum.hibernate.orgHibernate version: 3 First, thanks in advance for any help. My problem concerns the proper mapping of a Java 5 generic class as an ArrayList to non-generic classes. Here is the situation. I have a generic class called Range public class Range |
83. How to map java generics and wildcards forum.hibernate.org |
84. Generic findChildren API for 1-M relationship? forum.hibernate.orgHi All, I am just starting out on EJB3/hibernate and am having trouble implementing a generic findChildren API. What I'd like is an API that looks something like this public List findChildren(SomeEntity parent, String childrenProperty) I do realize, we can do parent.getChildren() but I want a more dynamic way to get children of a given entity. For eg. Given the following ... |
85. unknown column, agregation function, generic type forum.hibernate.orgselect company0_.id as col_0_0_, 3*sum(brokers1_.loginCount)+15*sum(brokers1_.contacts)+5*sum(brokers1_.alreadySeenCount) as col_1_0_, company0_.id as id1_, from Company company0_ ... |
86. Generic Entity: Is it possible ? forum.hibernate.orgHello everyone, I have an application that groups different objects using a Category entity. Of course, with Java5 Generics it is possible : Code: public class Category |
87. How to map a generic type? forum.hibernate.orgHi, I am developing an application which would be greatly simplified by the use of Java 5 generics in the data layer. I was wondering if there is a way to map this (through hibernate annotatios, if possible) to the underlying database. I attach a piece of code to illustrate it: public class Incident |
88. Native generic sql query problem forum.hibernate.orgI have to make native sql query without knowing in advace which query it will be, for example something like this: sqlQuery=... // a query string get from a input file from a socket List results = systemSession.createSQLQuery(sqlQuery).list(); is it possible in Hibernate? All the example i found need a scalar to be added or a entity class to be added, ... |
89. Mapping a generic type as a property? forum.hibernate.org |
90. Cascade delete and 'generic' delete forum.hibernate.org |
91. Hibernate - Mapping of generic class forum.hibernate.orgHello All, I am using java 1.5 generics in my java classes. Is it possible to map the following classes to a database using Hibernate? Timeseries: This class represents a time series and consists of a set of timeseries elements. Code: public class Timeseries |
92. Can you persist a generic class in Hibernate? forum.hibernate.org |
93. Does hibernate support persisting clases contaning generics? forum.hibernate.orgHi , i'm new on this forum , i really spent a lot of time searching the web why i can't define a class which is defined in function of a generic type. To make the concept clear i have the class Broker defined as follows @Entity @DiscriminatorColumn(name="Type") public abstract class Broker |
94. Mapping Generic Properties forum.hibernate.orgHi Guys I am attempting to map a many-to-many relationship so that a Customer can have many "Properties" and each property is of a specific PropertyType. The mapping looks like: Code: |
95. Java generics & hibernate mapping forum.hibernate.orghi, I m a newbie to Hibernate. I have a Java, HashMap |
96. HibernateMappingExcepion when using Generics forum.hibernate.org |
97. How to fix this? Problem with xdoclet and generics. forum.hibernate.orgI'm using xdoclet version 1.2.3 to build map files .hbm.xml to Hibernate. It was working all fine, but when I start to work with Generics, something was wrong. I got the follow error mesage: ========================================= [hibernatedoclet] Error parsing File /home/cris/dev/projetos/java/lib/autox/modulo_principal_servicos/src/com/autox/m\ odulos/principal/servicos/pojos/UsuarioTipo.java:Encountered "<" at line 13, column 14. [hibernatedoclet] Was expecting one of: [hibernatedoclet] |
98. mapping multiple tables to a single generic object forum.hibernate.orgHi, I'm hoping to use hibernate .hbm files for out situation where we need to be able to add tables at runtime. I looked into dynamically generating the source for the corresponding domain objects and compiling them but it seemed too awkward. So, I'm wondering if its possible to map tables to a common generic object? Something like an object containing ... |
99. mapping of generic class forum.hibernate.org |
100. support for .NET Generics - caveat? forum.hibernate.org |