ObjectDB Database Search

of the data, not the live information. * I forgot to mention that the db is used in embedded mode. zmirc Mircea Chirac There are two possible solutions. You can switch from embedded mode to client-server mode. Unlike embedded mode, client server mode supports accessing a database concurrently from

Assume we have the following classes: @Entity public class Restaurant { /* @ Embedded */ private ... , the @ Embedded annotation "Specifies a persistent field or property of an entity whose value is an instance ... the Location field with the @ Embedded annotation? And do we have to use this annotation also? In

the application cache only some embedded parts of those objects (let's call them class B). This application ... defined as an entity (@Entity is missing)" because B is defined as embedded -only. I tried also calling ... of the owner object as long as the embedded object is in use, as a fix to issue #1620 (so this reported issue

it: As the embedded DB seems to be with superior performance would you recommend using it with TomEE ... ? What is the overhead of the Transaction Replayer?   Many thanks, Amit   gemini Amit Naveh Embedded mode is faster, so embedding ObjectDB in the main Tomcat server will improve performance

the array of persistent fields of the  SignalValueImpl embedded class, which unexpectedly happens ... the project and enhancing all classes again may solve the issue. If it doesn't please upload the embedded ... again. (with ObjectDB 2.6.8.b05) The error is now caused by another call. But it is again the embedded

Golyshkin In embedded mode a database can only be accessed by one process at a time. The server mode ... the undocumented embedded -server mode , in which the first process opens the database in embedded mode ... regular embedded mode API, but actually these additional database connections are implemented as client

Hello, I am using objectdb in an embedded case with network private access to each database. I ... will probably not help you. Please clarify your need. Do you want to use the embedded server mode, i.e. to run a database in embedded mode and still connect to it in client-server mode? support Support

. The only difference is an @Embeddable annotion in a class, and an @ Embedded annotation in another. The problem ... ) ... 39 more But If I move objectdb.Alumno (has an @ Embedded Direction object)  and objectdb ... ; import javax.persistence.Column; import javax.persistence. Embedded ; import javax.persistence.Entity

I have a spring boot application with objectdb embedded database. I am manually handling ... ( embedded ) Maven Uses annotation based configuration (no xml file) A dummy entity class (e.g: Customer(id ... is not specified and no embedded datasource could be configured. Reason: Failed to determine

our embedded system hgzpincher Hans-Georg Zwicker As it seems that the Doctor fixes the database ... ; hgzpincher Hans-Georg Zwicker Regarding using the explorer in embedded mode, have you enabled embedded ... to be a beta tester then please indicate whether you need client-server access or only embedded mode access

-commit' listener.  I can guarentee single threaded access to a single EntityManager in an embedded ... sure how ObjectDb handles that, am guessing that for embedded apps you have the entire graph ... Changes to embedded objects can be tracked by tracking the containing entity objects, i.e. an entity

objectdb database from multiple system  prateek Prateek gupta In embedded mode the database file is locked for a single process. Use client-server mode or embedded -server mode to enable concurrent ... application prateek Prateek gupta You can use embedded server mode as suggested above (see link on post #2

;      for server + client + embedded mode.                  for server + embedded mode.   ... ; for client + embedded mode.              

public class Entity_A {     (...)     @ Embedded     List bList;     @ Embedded     Map cMap; (...) } where Class_B and Class_C ... , including embeddable types are supported. You may omit the @ Embedded annotation (I am not sure

on and created a new file. We are using on production version 2.6.4.b01 in embedded mode ... embedded objects in this entity object please explain the relationships between the involved classes ... embedded object (PlacementBlockModel) from the entity and saved it again, I got the NegativeArraySize

sql joins :) in my last projects i have been using mongodb and such a query was possible for embedded ... . Can this also work if the objects in the collection are marked @ Embedded instead of @Entity? Thanks! FastModel ... and embedded collections are also supported. But please notice that this is only a syntactic sugar

Hi I have not seen, cursory search was not informative, if odb can be embedded like derby.  ... to examine the schema?  tia lamininid Laminin if odb can be embedded like derby. Yes. ObjectDB has a client-server mode (like MySQL), but also an embedded mode (like Derby). See this page .  

AFAIK JPA does not directly support an @Embeddable referencing the parent in which it is @ Embedded ... .IDENTITY) private Integer id; @Access(AccessType.PROPERTY) @ Embedded private Profile profile; public ... EmploymentDetails details; .... @ Embedded public EmploymentDetails getEmploymentDetails() { return

on this topic: 1. It only seems to work in embedded mode?! After trying a lot of things I finally tested ... expression, even when executing the same code with the same Entity classes as in my post before, in embedded mode I do not. 2. Even if the exception is NOT thrown (as happening in embedded mode) the order by

implementation. What exactly do you suggest? The query string with parameter values embedded , replacing ... ? support Support The query string with embedded values would be nice for simple queries with up to 3 ... about this functionality in context of debugging and logging. Because of that, I'm for single line query with embedded values. lwalkowski Lukasz Walkowski

2 instead of 3) Also the first time I'm using odb in C/S mode rather than embedded ... field. This is what I'd look at first. I've never used ObjectDB in embedded mode, but I'm thinking ... of the merge. Still haven't used ObjectDB in embedded mode. My issue was concurrency, and as OP posted, they are mainly single threaded. Willks William

embedded mode, I'm a bit surprised by its behavior in client/server mode. dmoshal David Moshal Process ... after an optimistic exception (to improve performance). The behavior has nothing to do with client-server vs. embedded mode. This is how it works in ObjectDB 2.x in both embedded and client-server modes

and another embedded Association, furthermore the athlete is inherited by a Person.  the problem: I tested ... ; import java.util.HashMap; import java.util.Map; import javax.persistence. Embedded ; import javax ... ;   @ Embedded     private Association association;    

Hello, In an effort to increase the speed of our queries with our embedded ObjectDB ... to the system? ================================= Today, we ran some more tests.  We wrote a very stripped down version of our embedded ObjectDB ... of our embedded ObjectDB database application, that simply connects to the application that supplies

Hi, we are evaluating ObjectDB 2.5.1_04 in embedded mode hoping to replace SQLite in ... the application that uses the DB in embedded mode. So we basically start the application and let is stabilise ... information in the logs? 2. Do you have documentation on the best way to initialize ObjectDB in embedded mode

. Could you describe the index change itself? The stack trace may indicate an issue with an embedded class ... of an embedded class? support Support Hello, here are my classes: @Indices ({     @Index ... "}) }) public class Event extends Entity {     @ Embedded     private

. Purged DB Success     b) With DEMO_MODE set to DemoMode.NO_ EMBEDDED _MAINTENANCE I ... to DemoMode.ALL_ EMBEDDED _MAINTENANCE I get an exception; Purged DB [ObjectDB 2.3.0_01] Unexpected ... , i.e. the correct mode in your test program is  DemoMode.ALL_ EMBEDDED _MAINTENANCE. The exception

How can I prevent my embedded database's username and password from being exposed by ObjectDB ... anyone from accessing my embedded database without knowing the username and password? billdotnet Bill Note that the username and password are for client-server mode. In embedded mode databases are accessible with no username and password. support Support

, etc. you may consider upgrading to a site licence. support Support So the embedded mode cannot be used with a server license? Kevin Kevin Pfaff Embedded mode can be used on the server machine ... license for each developer change from embedded to server-client Thanks, now we know

using objectdb in embedded mode for now. Is it that big a performance difference vs server mode? dries ... . Regarding embedded mode vs client-server mode - see: https://jpab.org/ObjectDB/ObjectDB/ embedded /ObjectDB

with the MANIFEST.MF: Embedding images is currently enabled only for admin (this should be changed ... , but have you tried embedding ObjectDB in your plugin - using ObjectDB as a separate bundle is currently ... prepared source code for debugging). support Support It works with the embedded objectdb lib

that is embedded in the plugin (it will become more flexible when support of using ObjectDB as a separate ... is invalid or no connection to the server. Do you see a difference between using embedded mode or client/server mode? I understand that you are trying the tutorial. Does it work with embedded mode

JPA Method in jakarta.persistence.metamodel.IdentifiableType boolean hasSingleIdAttribute () Whether the identifiable type has a single id attribute. Returns true for a simple id or embedded id; returns false for an idclass. Return: boolean indicating whether the identifiable type has a single id attribute Since: JPA 2.0

. Example 1: {@snippet : See Also: Embedded EmbeddedId Since: JPA 1.0 The JPA Persistable Types

when using a getResultList() on a query. there are not any logs in the log (we are using embedded ... with the embedded ObjectDB but by a different process (anti-virus? virus? backup? another application that uses ... embedded objectdb). An error occured exactly at that time while they used still the old objectdb binaries

. embeddeds .put("test", new EmbeddedA());   entity. embeddeds .put("test2", new EmbeddedB());   em ... = "SELECT COUNT(e) FROM MyEntity e WHERE ((com.test.F328.EmbeddedB)e. embeddeds .get('test2')).superB ... ();   emf.close(); } @Entity public static final class MyEntity {   Map embeddeds = new

. It would be interesting to check the same test, if possible, in embedded mode. This could narrow the problem ... during the load. I'll do the embedded experiment and create a sample next weekend, hopefully. PS. I'm ... Mircea Chirac Good news! I've tried in embedded mode. None of the errors seem to appear

;   static class Parent {         @ Embedded ... ; Netzverb Andreas Göbel This indeed indicates a bug in using indexes on fields of embedded objects in ... limitation of indexes on embedded objects. For instance, even if the "age" field is not indexed

similar things with objectdb in embedded mode without any issues so it looks to be related ... also started to get oom exceptions in an embedded database: [ObjectDB 2.2.8] javax.persistence ... , one larger for msg data): 3x standard object databases ( embedded ) 3x queue databases ( embedded ) 3x queue

embedded mode or client-server mode? If you tried client-server mode, can you try embedded mode ... and I have never tried embedded .  I am not sure if I can do embedded mode for my application

;       }    } } The test case shows that updating an embedded ... above, but instead of a modified embedded object we have an embedded collection. Build 2.6.1_02

OF queries on embedded objects. Fixed a bug in querying indexed nested embedded objects. Fixed a bug ... change . Fixed a bug in indexing java.sql.Date fields during time / time zone change . Fixed a bug in detachment of embedded objects ( if enabled ).

declaration with all its embedded types: @Entity public class MyEntity { @Id private int firstId; @Id ... () on the database.  To my knowledge the entity and embedded classes are annotated correctly.  ... performance may be improved by: Enhancing the code. Using embedded mode instead of client server mode

client-server mode. Using objectdb version 2.8.8.b05 When switched to embedded mode, the migration ... embedded mode to store the object no exception was thrown and you get this unexpected error now ... embedded collection, but the limit of 2GB data per client-server operation is the same. Use query

Added memory only database mode. Added an option to cascade detachment to embedded objects . Added ... memory management in multi flush transactions. Extended detachment of embedded objects ... of embedded objects to collections. Fixed database page objects reuse to release to be cleared

about how you use ObjectDB, i.e. client-server or embedded mode, number of databases, hardware, operating ... : embedded mode (single process multi-threaded access), one database only, running inside a xen vm ... . Will you be able to try client-server mode instead of embedded mode in production for awhile

. In the current implementation ObjectDB is embedded in the driver. Any 2.x version of the driver can work against any ObjectDB 2.x database file in embedded mode, since the database file format ... will not be embedded in it. This will enable further flexibility in using the driver with different

-- we are using objectdb in our application in  embedded mode -- open explorer and connect via embedded server ... more details? The last point regarding killing an application by using embedded -server mode, is it related

one thread I was opening an embedded database, and then that thread crashed because of an exception ... the exception? You wrote that: In one thread I was opening an embedded database, and then that thread ... starts.  It's not easily repeatable. You wrote that: In one thread I was opening an embedded

" process which reads messages from the queue database and inserts these into an embedded "normal ... the "consumer" process is connected to 4 server-hosted databases and 9 embedded databases (the embedded