1. Hibernate: How return a composite-id? stackoverflow.comi have this composite-id: |
2. Hibernate @id composite stackoverflow.comI am modeling a database. |
3. Hibernate composite-id coderanch.comHi guys! Id like to know how to do composite-id with hibernate. I have a simple table and Ive tried to do this: PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd"> |
10. Why composite-id is discouraged? forum.hibernate.org |
11. composite-id generation forum.hibernate.orgWhat is considered the best way to generate part of a composite key in a parent/child relationship? tariff is the parent and has an id column, tariff_accessorial is the child and has a composite key of seq and tariff_id. Ideally, I'd like to be able to specify the sequence name for the child seq part of the key. I read this ... |
12. More composite-id fu! forum.hibernate.orgnet.sf.hibernate.MappingException: No persister for: com.foo.bar.data.sites.Site at net.sf.hibernate.impl.SessionFactoryImpl.getPersister(SessionFactoryImpl.java:337) at net.sf.hibernate.impl.SessionFactoryImpl.getIdentifierType(SessionFactoryImpl.java:472) at net.sf.hibernate.type.ManyToOneType.getColumnSpan(ManyToOneType.java:21) at net.sf.hibernate.type.ComponentType.getColumnSpan(ComponentType.java:58) at net.sf.hibernate.persister.NormalizedEntityPersister. |
13. Need Help -- composite-id forum.hibernate.orghibernate reference guide section : 4.1.5 6.4 (the exact example you want) Code: import java.io.Serializable; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; public class Aid implements Serializable{ private Long a1; private Long a2; private Long a3; public Long getA1() { return a1; } ... |
14. Composite Id forum.hibernate.orgHi to everyone, I am new in hibernate and I cant speak english very well, so sorry for any english mistake. I would really apreciatte if someone could help me!! I have two classes, one is USER which has name, password, and a list of perfil(which is profile in english i think). and the other one is Perfil(profile) which has the ... |
15. Composite Id forum.hibernate.orgHi to everyone, I am new in hibernate and I cant speak english very well, so sorry for any english mistake. I would really apreciatte if someone could help me!! I have two classes, one is USER which has name, password, and a list of perfil(which is profile in english i think). and the other one is Perfil(profile) which has the ... |
16. composite-id and key-many-to-one forum.hibernate.orgNewbie Joined: Mon Nov 10, 2003 9:07 am Posts: 5 Hi, First, I'm a somewhat experienced OJB user, attempting to learn Hibernate for evaluation purposes. As such, I am starting with a data model that works with OJB already, and am attempting to get similar functionality within Hibernate (using the DAO pattern). My problem seems to be with composite id's. I've ... |
17. Two times |
18. Please help! can't get composite-id working forum.hibernate.orgPro Joined: Wed Oct 08, 2003 10:31 am Posts: 247 I'm using Hibernate 2.1.1. I'm getting really desperate because I just can't make this work. In the "Testing code" section below I'm using parameters that really exist in the "OP_TURNOS" table! Every time I try to execute the code I get: ERROR: ERROR: op_cont_rej_op_turnos_fk referential integrity violation - key referenced from ... |
19. Multiple Composite IDs forum.hibernate.orgI have a seemingly simple relationship. I have ContentItem with a composite ID (md_id, lang_id), both are type 'long'. I have a ContentBranch object that also has a composite ID (branch_id, lang_id), both are type 'long'. I have an associating table that has three columns (md_id, lang_id, branch_id) and I am having trouble creating the relationship that I want in the ... |
20. composite-id forum.hibernate.orgNewbie Joined: Sun Nov 23, 2003 3:24 pm Posts: 1 Hi, I'm having trouble using a |
21. Composite-Id forum.hibernate.orgI have a Parent table Basic and child table Family and the .hbm.xml files look like this |
22. composite-id help forum.hibernate.orgPro Joined: Tue Aug 26, 2003 1:24 pm Posts: 213 Location: Dallas, TX Try this... Mapping: Code: |
23. Help with sets and composite-ids needed ! forum.hibernate.org |
24. many-to-one with composite id forum.hibernate.orgI have to map a less than normalised table structure with complex primary keys and whatnot and have run into a problem while doing this. Say that I have these three tables: * Table1: Primary key: table1ID * Table2: Primary key (composite): table2ID, table1ID - table1ID is a foreign key to Table1. * Table3: Primary key: table3ID foreign key (composite): table2ID, ... |
25. Many-to-one between two composite id forum.hibernate.org |
26. composite-id and many-to-one forum.hibernate.org |
27. many-to-many with composite id forum.hibernate.orgHi- I need some help on a many-to-many mapping. I have: Table A: A1, B1, C1 (composite primary key) Table B: B2, C2, D2 (composite primary key) B1 = B2, C1 = C2. There is a many-to-many relationship between Class1 (table A) and Class2 (Table B). I have tried the following: Code: |
28. HELP! many-to-one using composite-id forum.hibernate.orgI have a CASE table that contains, among other things, 3 columns (branch, hearyear, hearperiod). These columns collectively make up the primary key of another table, HEARING_CALENDAR. I've created the associated objects (Case and HearingCalendar) and also created a HearingCalendarKey that contains the 3 attributes. This is listed as a composite-id in the HearingCalendar. This seems like a typical many-to-one relationship, ... |
29. [PLEASE] Help me with the composite-id forum.hibernate.orgHi all, i didn't find any solution of my hibernate trouble since the last 3 days. How can i represente that SQL code in hibernate mapping and java code : create table bundles(idbun not null primary key, etc...) create table files(idfile not null primary key, etc...) create table fileperbundle(idbun_fk not null, idfile_fk not null, primary key (idbun_fk, idfile_fk) foreign key idbun ... |
30. Composite Composite-Id forum.hibernate.orgNewbie Joined: Fri Apr 02, 2004 4:12 pm Posts: 12 I have a table with a composite id wherein one of the key-properties is itself a composite id of another table... Can that be mapped??? I imagine it like so: Code: |
31. Composite ID forum.hibernate.org |
32. intentional nulls in composite-id forum.hibernate.orgI'm currently evaluating hibernate and trying to map it to some preexisting database tables. It's going quite well but I've come aacross an interesting problem... I've got this table that has about 6 columns in the composite-id. The group of 6 when combined must be unique. Each of the fields may be null. That is a valid case. I need to ... |
33. composite-id forum.hibernate.org |
34. tutorial needed on using composite-ids forum.hibernate.org |
35. composite-id and version results in ObjectStaleStateExceptio forum.hibernate.orgNewbie Joined: Fri Mar 19, 2004 3:53 pm Posts: 6 I am attempting to use the "version" mapping to indicate to hibernate the state of the Employee object that I have mapped. I use a composite-id for the key to a legacy database. The key consistes of two properties fiscalYear and documentNumber. I also map a "version" property that has a ... |
36. Using key-many-to-one in composite-id forum.hibernate.orgHibernate version3.0alpha: Mapping documents: |
37. UnsupportedOperationException using datetime in composite-id forum.hibernate.orgHi, I have a problem using a date in a composite-id. In my mapping, object A has a set of B objects. A part of the composite-id of the B object is a date. When trying to get all B objects belonging to an A object, I get an UnsupportedOperationException. I've checked the code and noticed that this exception is thrown ... |
38. how does hibernate interpretate composite-ids? forum.hibernate.orgHibernate version: 2.1.6 hi, i've got a question to composite-ids ... no panic, i know how to use them ;) Unfortunately the legacy-db has some interesting structures ... Therefore i've got a little problem with composte-ids and my question might be a little 'strange' :) Am i right, that hibernate tries to load an object if only some values of the ... |
39. cant use key-many-to-one in composite-id? forum.hibernate.orgNewbie Joined: Tue Nov 09, 2004 2:15 pm Posts: 1 I get a net.sf.hibernate.MappingException: No persister for: java.lang.Integer Hibernate version: 2.1.6 Mapping documents: Code: |
40. What's your suggestion on composite id? forum.hibernate.orgIf you have the power to modify your design...use an auto generated key for the primary key of your middle table. As in.... auto_key, long first_table_key, long second_table_key, long Then you treat it like you would any other table. There really is no reason to make the key a composite of the first and second table keys...then append a unique value. ... |
41. proper use of composite-id forum.hibernate.orgLook OK to me but sounds like you have control over the database, so don't use composite keys at all. I hate them and avoid them if at al possible (which is hard to do at times). TABLE Customer (primary key: customer_tkn) TABLE BillingPackage (primary key: billing_pkg_tkn, foriegn key: customer_tkn) TABLE BillingAddress (primary key: billing_address_tkn, foriegn key: customer_tkn, foriegn key: billing_pkg_tkn ... |
42. Combination of 'id' and 'composite-id' possible ? forum.hibernate.orgHi there, I'm trying to find the correct mapping for the following situation: I have a table which looks like this: UPLOAD_ID NUMBER(8) not null UPLOAD_BEG_DATE DATE not null UPLOAD_RUN_ID NUMBER(8) not null UPLOAD_RECORD_ID NUMBER(8) not null The hibernate-mapping currently looks like this: Mapping documents: |
43. Support for many-to-many with composite-ids limited? forum.hibernate.org |
44. Working with composite-id forum.hibernate.orgHi friends! Well, I'm be using middlegen for generate my hbm and my .java classes. My question: I have the follow diagram: Table: Programmer Fields: id_programmer, name_programmer Table: Language Fields: id_language, name_language Table: Programmer_Language Fields: id_programmer, id_language Yes, I konw that this is a composite-id, but middlegen generate 4 classes for me: Programmer, Language, Programmer_Language and Programmer_LanguagePK (association, correct?) How I ... |
45. Hibernate Arrays with composite IDs. forum.hibernate.org |
46. one-to-one&composite-id help forum.hibernate.org |
47. composite-id generation forum.hibernate.org |
48. generating composite ids forum.hibernate.org |
49. Best practices? id versus composite key forum.hibernate.orgHi, This is a newbie question I guess. I am not clear on when one should use a DB-generated id column versus a composite key. I mean, I can think up of specific instances where a table's primary key naturely *feels* like it should consist of multiple components. For example: Table ImageDimension - width - height - reference count In the ... |
50. composite id forum.hibernate.orgAll right. It worked, but... I must remember to do this everytime I modify the database structure. This is because I'm using middlegen. So then I must touch the generated code manually. I consider this is a bug... can it be reported as it? would it be propper? Thanx in advance, Gabriel |
51. prob on composite-id, a rare scenario i guess.. pls help me forum.hibernate.orgNewbie Joined: Mon Apr 04, 2005 10:51 am Posts: 1 hello everyone, i got a problem with an application i am developing. the case which i guess perhaps is a rare one goes like this: this is the mapping segment i have a problem with: ?xml version="1.0"?> |
52. Can a Discriminator belong to a Composite-id? forum.hibernate.orgHibernate version: 2 Hi, I am trying to create a mapping where my class hierarchy will be persisted in a single table. Each subclass could have an instance with the same 'logical' primary key value. Therefore, I need to add the discriminator to the real primary key definition to enforce unicity. I have tried the following mapping : |
55. Composite-id and Date forum.hibernate.orgThe following exception occurr when I execute quey.iterate.next() in a query to select object from the mapped table with composite keys and one of the keys beeing of type Date. null=java.util.NoSuchElementException The mapping is: Code: |
56. |
57. composite-id and sored-proc forum.hibernate.orgPage 1 of 1 [ 1 post ] Previous topic | Next topic Author Message singular_droid Post subject: composite-id and sored-proc Posted: Tue Jun 28, 2005 8:49 am Newbie Joined: Thu Apr 14, 2005 8:21 am Posts: 5 Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 3.0.2 ... |
58. composite id with many-to-one forum.hibernate.orgHow can I create a set for a one-to-many in a different object, which uses this primary key? I tried this, but got an error trying to parse. Class A (SubjectVO) |
59. composite-id and one-to-many forum.hibernate.orgHibernate 2 Hi to everybody... I want mapping 2 entity, Testata and Eccipienti, with a one-to-many relationship. In Eccipienti I've a composite-id, the pk is composed by Testata's pk and another element named "riga". I've write: Code: .... |
60. 1 to many with composite id forum.hibernate.orgBeginner Joined: Thu Jul 21, 2005 10:28 am Posts: 21 Need help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 2.0.x Mapping documents: Code: |
61. Composite IDs forum.hibernate.orgHi friends, I'm trying to create mapping documents for classes with composite IDs using XDoclet. I have an entity class and an entityID class which holds the composite key. However, when I try to generate the doc using XDoclet, I get this error: 54 ) < |
62. Composite IDs forum.hibernate.orgHi friends, I"ve created an entityID class to hold the compound primary key for my entity class. However, when I attempt to generate the descriptors using XDoclet, it prints this message: 54 ) < |
63. set one-to-many with composite-id fails forum.hibernate.org |
64. MiddleGen composite-id forum.hibernate.orgMy question is: MiddleGen automatically creates this TbServicoDncPK, its another class when i use CodeGen.My code becomes more complex. so.... continues after the listed code |
65. how to mention the autoincrement in composite-id forum.hibernate.orgmax wrote: write a UserType. But you should really rethink why you have a composite key with one part being unique...what is the other part for ? one is articleId and another is articleVersion. ArticleVersion may change or may not change.For each id there may be different versions. This composite key values must be present where ever this id is reffered ... |
66. composite id of 2 other composite ids forum.hibernate.orghello, can we have a composite id composed of two other composite ids? like: |
67. Using Composite id forum.hibernate.org |
68. Composite Id, is this approach possible w/ Hibernate? forum.hibernate.org |
69. Composite ID forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp We are using composite-PK in Database wich is having one auto-increment column. When inserting a new row i am not assigning the value for the second column. When I returned serialisable object it is giving null value for that column even though database insertion happend. This is happening while using this ... |
70. Use of composite-id forum.hibernate.org |
71. XMLMapping and composite-id forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp [b]Hibernate version:[/last version (3)] I have the following mapping : |
72. Using composite ids as named parameters forum.hibernate.org |
73. About composite-id in hibernatetools forum.hibernate.org |
74. one-to-one with composite id forum.hibernate.orgHibernate version: 3 I have an existing databse schema which I can't change and I am wondering how to map teh following relationship : I have the following class : public class User implements java.io.Serializable { private Long addressId; private Long organisationId; ...... and the other class : public class Testing implements java.io.Serializable { private User user; ........ The class teting ... |
75. Generated Id as part of Composite Key forum.hibernate.orgIs it possible to do this? It is a somewhat odd situation, but I need to have part of a primary be generated from a sequence, and the other part a Long which is foreign key to another table. I seem to remember reading about this somewhere but I can't find that reference anymore. Thanks. |
76. Hibernate composite id forum.hibernate.orgHi, I have a table which has two columns as primary key. How should I composite keys in Hibernate mappings file. I saw this section in Hibernate Documentation. "There is an alternative |
77. Composite-id forum.hibernate.orgHi, I'm trying to create a compost primary key and this error happens: SEVERE: Invoking method failed: xdoclet.modules.hibernate.HibernateTagsHandler.ifHasCompositeId, line=169 of template file ... Caused by: java.lang.NullPointerException My code: public class AcessoId implements Serializable{ // |
78. Composite ids smoke! forum.hibernate.orgToday, composite ids are named "legacy" composite ids. The Hibernate docs and even the Ejb-3.0 specs relegate them to a kind of quaint and deprecated habit. More or less like smoking: you do it at your own risk and please avoid to expose someone else to it. Why? Why the world is going to ban composite ids? Isn't the power of ... |
79. need help with composite-id warning forum.hibernate.org08:43:24,308 WARN [RootClass] composite-id class does not override equals(): valueObjects.ActivityContacts 08:43:24,309 WARN [RootClass] composite-id class does not override hashCode(): valueObjects.ActivityContacts 08:43:24,315 WARN [RootClass] composite-id class does not override equals(): valueObjects.RelationDiscount 08:43:24,316 WARN [RootClass] composite-id class does not override hashCode(): valueObjects.RelationDiscount 08:43:24,327 WARN [RootClass] composite-id class does not override equals(): valueObjects.ResourceInStock 08:43:24,328 WARN [RootClass] composite-id class ... |
80. composite-id forum.hibernate.org |
81. How we define composite id within another composit id? forum.hibernate.org |
82. Without composite id? forum.hibernate.orgHi to all, sorry for this stupid question. I have read into Hibernate ref docs, "....We call this approach an embedded composite identifier, and discourage it for serious applications." I have need some info about this concept about hibernate primary key and surrogation key. I have no legacy schema for my new application but i'm very confuse how to use hibernate ... |
83. Need help with composite-id forum.hibernate.org |
84. Composite Id forum.hibernate.orgDear All, I am using Hibernate 3.2.1, and i get stuck with mapping composite id, I don't know how to do with annotation. could you show me small sample ? i have one table call destination(Record_ID,Email_Address,Address_Type) and these 3 fields is the primary fields. could you show me java class with annotation ? Thanks, |
85. transitive persistence with composite-id forum.hibernate.orgA disadvantage is the more complex code needed to manage the CategorizedItem entity instances to create and remove associationsthey have to be saved and deleted independently, and you need some infrastructure in the CategorizedItem class, such as the composite identifier. However, you can enable transitive persistence with cascading options on the collections from Category and Item to CategorizedItem, as explained in ... |
86. composite-id forum.hibernate.orgHello, I have read docs and forum on how to setup Master-Detail with composite id and the only way we got it working is to use composite-element on the detail object, but this is kind restrictive, we could have problems in future to reference it and querying. I got all kind of errors as i tried different variation to the code ... |
87. Use Composite-id with Hibernate3 forum.hibernate.orgHello, i suggest you to use a simpler id. But to answer you question you should create an instance of com.myComy.test.TbAddressId for each CRUD operation, it's kinda the same as a single id, when looking by the id you should look for each of the fields declared in the id. Hope this help you, if you got anymore questions feel free ... |
88. How to Use Composite-id in hibernate forum.hibernate.org |
89. composite-id and one-to-many forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hibernate version: 2.15 Mapping documents: Code: |
90. What kind of getter for a composite id is needed? forum.hibernate.orgHi, I'm stuck in between legacy tables and legacy Java classes. There are composite primary keys in the tables. The classes have a member for each column of those composite keys - either primitive types or references to other classes. There are no wrapper classes for the composite id's. When I try to load the classes, Hibernate is unhappy because there ... |
91. how: many-to-many with between composite-id and id forum.hibernate.orgNewbie Joined: Mon Mar 12, 2007 8:47 pm Posts: 5 Hello guys i need really your help pls see this Code: public class CabeceraAlmacen implements Serializable{ private static final long serialVersionUID = 1L; private AlmacenPK almacenPK; private String documento; private Date ... |
92. Composite ID forum.hibernate.orgHi Friends, I am looking for good reference for Advance Hibernate Mapping where I can read more about Composite ID other then this web sites. Also I want to know more about hibernate and struts. Currenlty I am working on most complex screen where my one table had 4 fields as composite primary key and all there fields point to other ... |
93. composite-id auto-generation forum.hibernate.orgHi, Can you please elaborate on how the |
94. composite-id forum.hibernate.orgNewbie Joined: Wed Sep 24, 2008 11:34 am Posts: 3 hello everyone, my name is Albert. I spent the last two weeks trying to solve a problem about composite-id. I'm getting crazy. I have three tables whom mapping is the following: ##############Table PI_LAVORATORE########### |
95. One-to-many with composite ID forum.hibernate.orgHibernate version:3 Name and version of the database you are using:MySQL 5.0.27 Hi! I'm new to hibernate and I'm trying to create a parent-child relationship between two tables without any success. The first table (Permisos) has a composite id. These are the hibernate mapping: Menu.hbm.xml |
96. problme avec composite-id forum.hibernate.orgBonjour, j'ai utilis une relation intermdiare pour fair le mapping many-to-many voici mon bout de code pour le mapping de la classe intermdiare: |