ObjectDB Database Search

I created an activation code and the database works fine. After restart of the computer I ... How the activation code is binded at the computer? The mac adress? There are three mac adresses ... be a problem?   btc_es BTC EmbeddedSystems How the activation code is binded at the computer

with reference to the coding example in the posting instructions and many of your other examples posted in the forums. While I appreciate the recommended coding style as shown makes for convenient minimal examples ... ArrayList ();  a.list.add(new B( 1 ));         a.list.add(new

, you should be able to run it also from your own code by calling the main method directly:    ... but how and where do i activate those line of code now? i mean where do i put the     ... ;   I did try String [] test = new String[ 1 ] ;   test[0] = "start";   com.objectdb

to have a thread where people could post and find Gradle-Kotlin code potentially useful to ObjectDB ... ") } group = "tutorial" version = " 1 .0 -SNAPSHOT" repositories { mavenCentral() } dependencies

.router.internal.AbstractNavigationStateRenderer.lambda$getRouteTarget$ 1 (AbstractNavigationStateRenderer ... $3bdbbbb5$ 1 (UI.java:1881)     at com.vaadin.flow.component.UI.browserNavigate(UI.java:1892 ... $dd1b7957$ 1 (ComponentEventBus.java:303)     at com.vaadin.flow.internal.nodefeature

db odb file from version 1 .x to 2.x, user is unable to open the odb files in the application which is having object db 1 .x installed. Is there any way to read odb files from 1 .x in object db 2.x ... binitbhaskar Binit Bhaskar Old ObjectDB 1 .x databases cannot be opened directly by ObjectDB 2.x

Hi, We tried to upgrade from 2.3.7_18 to 2.4. 1 _01 to pickup some fixes. We discovered that our code no longer works when using 2.4. 1 _01. We did some probing and found one thing. I have attached ... our code for 2.3.7_18, we had @OneToOne(cascade=CascadeType.ALL, fetch=FetchType.EAGER

of macos Sequioa 15.6. 1 (24G90). Unfortunately since then the mac-id behavior drives me crazy (*). If I create a new activation code for my objectdb.conf it will be valid sometimes for 2 hours ... and validating the activation code in 2.9.3? My currently problem (only on this Apple Macbook M1

, with object 1 .x, the same query was getting executed within an seconds and now the same is taking around 40 ... query.execute(param1, param2); This takes 1 second to execute using objectdb1.x, but the same takes ... objectdb explorer binitbhaskar Binit Bhaskar ObjectDB 2.x is usually faster than ObjectDB 1 .x

You are right - some important features of ObjectDB 1 .0 Explorer are not implemented yet in ObjectDB 2.2 ... the new code base, so only a limited version of the Explorer was provided with ObjectDB 2.0 ... to the Explorer in future versions. Support of ObjectDB 1 .x is now limited, so new application

Code like this: CriteriaBuilder cb = getEntityManager().getCriteriaBuilder(); CriteriaDelete criteriaDelete = cb.createCriteriaDelete(entityClass); Throws: java.lang.UnsupportedOperationException at com.objectdb.jpa.criteria.CriteriaBuilderImpl.createCriteriaDelete(CriteriaBuilderImpl.java:1508

). May be you have some ideas?  When we just try JBoss 7. 1 . 1 nothing works at all. Where I can get a real ... . webel Dr Darren Kelly As discussed in a previous forum thread - JBoss 7. 1 . 1 is expected to be supported ... there are also issues with GlassFish 3. 1 .2 (GlassFish 3. 1 . 1 may work better with ObjectDB

Hi. I have faced a very serious issue. After upgrading the GlassFish server from 3. 1 . 1 to 3. 1 .2 ... ) at com.n2nconnect.mm.jsf.controller.ProjFeedController$ 1 .createPageDataModel(ProjFeedController.java:60 ... more It seems that there is something wrong with persistent context. it seems that glassfish 3. 1 .2 behaves differently. I

and 1,000,000 entities per database), you must specify a valid activation code in an element. Activation codes are generated by running the Activator utility from the command line: $ java -cp objectdb.jar com.objectdb.Activator Each computer requires a specific activation code , but you can specify

the page number (starting from 0 for the first page), the following code retrieves the results ... instance, em , are visible to any code that uses em , even before the transaction is committed ... to all result objects that the query retrieves. For example, the following code sets a pessimistic WRITE

Hello, we have found that the enhancer returned an non-zero exit code on errors. You can change this so that the error of the enhancers can be detected. btc_es BTC EmbeddedSystems Thank you for this report. Starting build 2.6. 1 _04 the Enhancer exits with non zero code on errors. Note

Trying to generate a new activation code using our site license key gives a 500 error every time. Code generated using version 2.7.4_04 and openjdk 1 .8.0_171. spiffy Jonathan Harley There was a problem, thank you for this report. Please try again now. support Support

): 1 ) my recent db-file, created with the old-version, has been copied to the local db-folder ... -file programatically (from within my code ) without any errors 4) the db doctor ends without error ... ------------------------- The Stacktrace: [2013-04-12 15:58:51 # 1 store] Database 'C:\Users\thomas\Downloads\objectdb-2.4.7_18

a criteria query by using the following code : CriteriaQuery q = cb. createQuery (Country.class); Root ... a criteria query by using the following code : CriteriaQuery q = cb. createQuery (Country.class ... .capital can be built as a criteria query by using the following code : CriteriaQuery q = cb

named queries instead of dynamic queries can improve code organization by separating JPQL query strings from Java code . This practice also enforces the use of query parameters instead of embedding ... (MyEntity.class); After running this code , ObjectDB includes MyEntity when searching for named queries.

file by using the code above could generate a backup whose full path is c:\objectdb\backup ... .io.File("c:\\backup")); backupQuery.getSingleResult(); For instance, the code above could create ... is relative to the ObjectDB home directory on the server. For example, in client-server mode, the code

. The ability to store ordinary objects in the database directly can simplify the code significantly. Less (and more simple) code to write, debug and test, as well as a much easier learning curve leads

- much faster than any other JPA solution. General Highly optimized code (as a result of many profiling ... other managed objects. Transparent update - changes are detected automatically. Code enhancement is optional

Hi, getting this unexpected exception, would welcome advice: [ObjectDB 2.4. 1 ] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) Client VM 1 .6.0_29 (on Windows 7 6. 1 ... .runners.model.FrameworkMethod$ 1 .runReflectiveCall(FrameworkMethod.java:44) at org.junit.internal.runners

In this code : String id = "my key"; ABC itemDb = pm.getObjectById(ABC.class, id); I get this: [ObjectDB 2.4. 1 ] Unexpected exception (Error 990) Generated by Java HotSpot(TM) Client VM 1 .6.0_29 (on Windows 7 6. 1 ). Please report this error on http://www.objectdb.com/database/issue/new com.objectdb.o

: absolute value. Since: Jakarta Persistence (JPA) 1 .0 Expression all ( Subquery subquery ) Create ... . Since: Jakarta Persistence (JPA) 1 .0 Predicate and ( Expression x , Expression y ) Create a conjunction ... : and predicate. Since: Jakarta Persistence (JPA) 1 .0 Predicate and ( Predicate... restrictions

SUBSTRING(c.name, 1 , 1 ) FROM Country c GROUP BY SUBSTRING(c.name, 1 , 1 ); The FROM clause iterates ... : SELECT DISTINCT SUBSTRING(c.name, 1 , 1 ) FROM Country c GROUP BY with aggregate functions JPQL supports ... and the number of distinct currencies that those countries use: SELECT SUBSTRING(c.name, 1 , 1 ), COUNT(c), COUNT

Jakarta Persistence (JPA) provides annotations to define static, reusable queries at the class level, separating query logic from business code . Query definitions Declare named queries using the following annotations: Specifies a static, named query in the Jakarta Persistence Query Language (JPQL

The configuration element supports renaming packages, classes, and fields in ObjectDB databases. This is a complementary operation to renaming or moving these elements in your IDE during source code refactoring. You specify only these schema changes in the configuration file. As explained in

, supporting community, forums, IDEs support, tools, books, tutorials and sample code . ObjectDB

- start writing more effective database code using Java classes and objects! Try an ObjectDB / JPA

classes When you store an entity in the database, its methods and code are not stored

databases when necessary - with exactly the same code .

Given an EntityManager instance, em , which manages the persistence context for the database, you can use it to store, retrieve, update, and delete objects. Storing new entities The following code fragment stores 1,000 Point objects in the database: em. getTransaction (). begin (); for (int i = 0

source file with the following code : package guest; import javax.persistence.*; import javax.servlet ... = (EntityManagerFactory)e.getServletContext().getAttribute("emf"); emf.close(); } } The code above: Invokes

to create the new listener class. Now replace the content of the new source file with the following code ... ().getAttribute("emf"); emf.close(); } } The code above: Invokes the Enhancer to enhance the entity class

and paste to replace the new source file content with the following code : package guest; import java.io

the new Spring Controller class. Now replace the content of the new source file with the following code

the new class. Copy and paste the following code into the newly created Point class: package tutorial

to create the new servlet class. Now replace the content of the new source file with the following code

to replace the new source file content with the following code : package guest; import java.io

) class. Now replace the content of the new source file with the following code : package guest; import

replace the content of the new source file with the following code : package guest; import java.util.List

and paste to replace the new source file content with the following code : package guest; import

to create the class. Copy and paste the following code to the newly created class file: package

In this step we will add code to the Main class (that was generated with the project) in order to store Point objects in the database and then retrieve them from the database. Use copy and paste to replace the content of the Main class with the following content: package tutorial; import javax

replace the content of the new source file with the following code : package guest; import javax.servlet

to replace the new source file content with the following code : package guest; import java.io

and paste to replace the new source file content with the following code : package guest; import java.io

replace the content of the new source file with the following code : package guest; import java.util