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Other Object database doesn't support JPA?   Manikandan ManikandanPalaniappan JPA is designed ... object databases . For example, user defined primary keys and composite primary keys are features of RDBMS (relational databases ), which are not supported by most object databases . ObjectDB does

object and same database . Description: i have three classes  GetterSetterclass.java here declare ... .Then here i want to do update operation with that same object and same database . --------- So, point ... has a private persistence context, i.e. the same database object is represented by multiple separate memory

the initial database structure of our application? We know objectdb is all about objects and probably doesn't ... as jdbc driver for ETL software like Kettle? How about migrating data from another database system? Thanks in advance! josevilla Jose Lora To populate the database you will have to write Java code

but my question is without using tostring method. like a independent object and database . Thank you. Bimal ... Hi, I want to access a object which contains some value like id,name,college and address. Here it returns some address but i am not getting object value, i attach 3 java program below, please check

I've been trying to model a database that stores data in an MMORPG. With ObjectDB, a lot of things ... outperforms a lot of other conventional table-oriented databases , but I'm wondering ... entities, then it seems like we are back to the table-oriented databases ' design principles

is now held otherwise. The product store user data in the ObjectDB- Database . Example: V1.0: EntityPerson ... =”26135”; city=”Oldenburg”] How can we load the Database DB1 with the Product in Version 1.1 or 2.0 ... - V2.0, but not V1.0 - V2.0 directly, and you make sure that on upgrade all the old objects

Device . Inverse mapped-by fields are not stored in the database by loaded by running a query

We (www.s2ssystems.com) have a time-sequential object command database .  I would like ... are used for performance reasons.     Note again that the database is not an object database , but rather a command database .  You can of course think of the commands as objects

to have my persistent objects be cached until the Java Virtual Machine (JVM) does a full Garbage Collection (GC ... to get rid of older objects before more recently accessed ones.  I attempted to use Java SoftReference to my large byte[] and instruct ObjectDB to use soft reference for its Level One (L1) object data

is commited after persisting 200 records and then the same transaction object from the same ... .objectdb.jpa.EMImpl.commit(EMImpl.java:279) at com.anritsu.eu. database .DatabaseImplementation.storeItem(Unknown Source) at com.anritsu.eu. database .DatabaseMessageStorer.newItemParsed(Unknown Source) at com

that you use to update object . So, how to get old version of given entity from database to check ... values in updated entity. There is a problem however with accessing "old" version of object stored in database . I can't find the nice way to use EntityManager in EntityListener. Because of that, I can't

and let it remain in database 2. Remove the list and   2.a update every object that contains ... , clearing list fields and keeping orphan objects is the database (if understood correctly) is possible ... for your quick reply. The objects itself should remain in database and will be available by query

typed by the user and is the primary key used to save/restore the object into/out of the database .  ... a primary key of a managed object ", but my application is not trying to change the primary key.  ... without database schema change, and save some space in memory. You can still use StringIdentity

much I want to search using cb.isMember passing an object . This however does NOT work. I'm uncertain how the database is doing its matching, but it looks to me like it matches using objectids, which means you can only match isMember if you have a database object . This does not help as I'm never going

database : In the case of using transfer object I did use contractor with only needed fields and query ... 'Product' (attached to this post) entities in database and I'm trying to speed listing ... up" database file, query runs for about 1.5 (best) to 6 (worst) sec: 2011-11-15 19:30:59.578 [http

Hello, do have an idea why we get following exception sometimes, if we open a database ? Exception ... seems to be related to opening and closing the database for a short period, when indexes require ... the schema block from objectdb.conf all works fine during opening the database . The automatic index

I have ObjectDB partially working with my project. At the moment it seems to be saving objects and retrieving objects ok in the main project. However, when I make a plugin for the project, the new objects are persisted but not retrieved. I get the following error: java.lang.ClassCastException: org

the set from the database , even if the object is not removed from the set explicitly. support Support ... -Georg Zwicker No, after deleting an object it does not exist in the database anymore ... We have a class with a one to many relationship declared like this (1 or more objects of the same

Hello we have heard your product and we will plan to use your product on image database . Is it good to use ObjectDB as image database ? Image database just screenshots of desktops.   2- ) On JPA ... apps i think. I think it will be good if you make object pooling for every class.We dont know

the database it seems to be stored a a objectdb.* type. Persisting new objects seems to be ok but retrieving ... object could not be loaded. For security purposes, this type will not be serialized.: instance =Sat ... serializarion for all of mine Data Transfer Object . But still I am getting this error. Note: (In gwt RPC

Hi, I have observed that 500 Mb objectDb database opening time is very slow (~3 seconds ... to speed-up open time for big databases ? Definitely, it's too long for 500 Mb database ! We gonna work with ObjectDb databases which may have size more than 5Gb and opening database time

, such as query results that contain millions of objects . The element specifies temporary file settings ...    ObjectDB manages a list of the recently accessed database URLs for use by the Explorer ... with URLs. Saving username and password with the URL makes accessing recently used databases in

The JPA Metamodel API provides the ability to examine the persistent object model and retrieve ... types  (which are referred to as managed types) in the persistent object model ... . This includes all the types whose instances are already stored in the database . Three additional

other JPA annotations are designated for Object Relational Mapping (ORM) JPA providers (for mapping between a relational database and an object model and for direct SQL queries): These ORM annotations are silently ignored by ObjectDB.

The following JPA annotations and enums are designated for mapping a JPA object model to a relational database , and are not required by ObjectDB: ObjectDB silently ignores all the above annotations.

An ObjectDB database can be backed up by simply copying or archiving the database file while the database is offline (i.e. when it is not open in an ObjectDB server and not in use by any application), since an ObjectDB database is stored as an ordinary file in the file system.  ObjectDB

itself cannot be used to connect to the database . The element Every element may contain one or ... to allocate a private directory for every user. The required permissions attribute specifies which database ... : access - permission to open a database for read. modify - permission to modify the content

) We see that 2 Project objects were created, however in the database Explorer it lists size=0 for Project ... because it appears to be either database integrity corruption, or it just looks like ... . When the project runs it logs creation of objects . Please note that there are 2 Project objects , and note

" interface. The code runs fine. i.e. Role objects are getting persisted in the database . But when I try to open the database using  Object DB Explorer, it fails.  I have attached ... Hello, I am trying to integrate  Object DB into my tapestry project which will use spring

when connecting to the database (as explained in the JPA Overview section in chapter 3). The max attribute ... of ObjectDB databases that the server manages. The $objectdb prefix, if specified (as demonstrated ... to the document root directory of a web server. Every database file in the data directory and in

no longer exists in the database Since: JPA 1.0 void refresh ( Object  entity,  LockModeType ... the database Since: JPA 2.0 void remove ( Object  entity) Remove the entity instance. Parameters: entity ... grouped by the application, and which must be colocated in their mapping to a single database

to software source code, documentation source, and configuration files. " Object " form shall mean any form ... to compiled object code, generated documentation, and conversions to other media types. "Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as

The configuration element supports renaming packages, classes and fields in ObjectDB databases as ... your database files before renaming or moving persistable classes and you must verify that after such changes ... the specified schema updates every time a database is opened. When using client-server mode

select queries without any object manipulation in these threads hgzwicker Hans-Georg Zwicker ... to reading from the database file using the new "objectdb.temp.concurrent-file-read" option. In both cases ... , the customer now urges to switch to another database . we try to agree on a bit more time

produces objects for examination and the WHERE clause selects which objects to collect as results ... Country objects ordered by currency as the primary sort key and by name as the secondary sort key ... receives groups rather than individual objects and ORDER BY can order these groups. For example: SELECT c

itself, is it correct that the objects are in the database but their classes have been deleted or missing? The objectdb explorer does not show any objects of the given class in the database . The class ... version of our product (see below). These entities are not present in the database and the error does

, which is part of one large ObjectProperty object of 2699 bytes that was divided to two database ... we have a database shutdown, logs are showing: [2017-07-10 21:07:23 #1 store] Database 'F ... : SectionClassifier{2-merger[2699]-missing:1}     on running Doctor it hangs after reading in the database

automatically when the object is retrieved from the database again. Try to refresh the department ... the object is retrieved again from the database (and not from the persistence context cache), or ... ; creating a new mapped class, e.g. new Employee, won't result in this object being available in

after the crash we cannot delete specific objects , see screenshots of explorer. Database ... objectdb  hgzwicker Hans-Georg Zwicker meanwhile the database became completely unusable ... is still in progress. support Support we upload currently the  database before Doctor to our extranet

is actually on writting the objects to the db. Running the database through Database Doctor reported ... whose schema is not stored in the database , i.e. there are broken references from entity object field values ... ? entity objects ? embeddable objects ? serializable objects ? Did you use that specific database in

that has signed the guestbook is represented by a  Guest JPA entity object and all the  Guest entity objects are stored in an ObjectDB database . Required Software For this tutorial you will need

that has signed the guestbook is represented as Guest JPA entity object , and all Guest entity objects are stored in an ObjectDB database . This tutorial is available in the following versions: In

is represented by a  Guest entity object and all the  Guest entity objects are stored in an ObjectDB database . This tutorial is available in the following versions: In addition the demonstrated application is available as a Maven project:

. Every visitor that has signed the guestbook is represented by a Guest JPA entity object and all the Guest entity objects are stored in an ObjectDB database . Required Software For this tutorial you will need

by a Guest entity object and all the Guest entity objects are stored in an ObjectDB database

will be straightforward. That is one of the benefits of ObjectDB, which is the only Object Database with built in ... This tutorial demonstrates how to create and run a simple JPA application. The demonstrated application uses JPA to store and retrieve simple  Point entity objects , where each  Point

the guestbook is represented by a Guest entity object and all the Guest entity objects are stored in an ObjectDB database . Required Software For this tutorial you will need the following software: Java JDK (6.0

The following JDO annotations and enums are designated for mapping a JDO object model to a relational database , and are not required by ObjectDB: ObjectDB silently ignores all the above annotations.

Connections to the database are represented in BIRT as data sources. To create an ObjectDB data source: Open the [New Data Source] dialog box by right clicking the Data Sources node in the [Data ... the database connection url: Download and save the points.odb   database file (from the Quick

An object ID is a combination of a persistence capable class and a primary key. It provides a unique representation of a persistent object . The following classes serve as predefined ID classes for persistence capable classes with a simple single field primary key: Object IDs are used in many