ObjectDB Database Search

; When I use find method mentioning SentenceStatement everything works just fine but when I use ... with the 2 options for a better ease    this is the stack trace when I try to find LogicalObject ... -127.0.0.1-8080-1) JBAS014101: Failed to find SFSB instance with session ID {[-48, -118, 126, 59, 2

, why? Result: =========== find time @ 24.125000 getSons time @ 0.000000 1 : type:Nodes, sons:2 child : 2 child : 3 Iterator time @ 0.000000 find time @ 0.000000 getSons time @ 0.000000 2 : type:Nodes, sons:2 child : 4 child : 5 Iterator time @ 0.000000 find time @ 0.000000 getSons time @ 0.000000 3

get this windows error: "Failed to find Java VM".   What is the problem? dreckguy Ophir Haramaty ... \bin\ [err] Failed to find Java VM.  and the windows startup error is shown By trying explorer-b ... . so after finding the jar file start everything needed it won't cause a problem but still worth reporting.  

Hello, it is possible to find out if a child entity is just referenced by other parent entity types. But the types of the parent entities are unknown. Is there a possibility to find out if an entity is referenced? best regards btc_es BTC EmbeddedSystems You can only find it (using a query

(o); trans.commit();} 2, for 1 to 30 {p = em. find (typeC.class, i); print(p)} So simple a test ... is enabled. support Support L2 cache? I'm not sure. But why the second find () will output? By ... .getResultList(); // this works 3. typeC p = em. find (typeC.class, i);  // this p will be null

We have a new performance bottleneck, if we use EM. find () on the same entity type 10.000 times in order to get 10.000 different entity instances. For use cases which call the EM. find () only 1000 ... where you can find the hotspot in the profiling. btc_es BTC EmbeddedSystems Thanks. It is unclear

JPA Method in javax.persistence.EntityManager T find (   Class  entityClass,    Object primaryKey ) Find by primary key. Search for an entity of the specified class and primary key. If the entity instance is contained in the persistence context, it is returned

JPA Method in javax.persistence.EntityManager T find (   Class  entityClass,    Object primaryKey,     LockModeType  lockMode ) Find by primary key and lock. Search for an entity of the specified class and primary key and lock it with respect

JPA Method in javax.persistence.EntityManager T find (   Class  entityClass,    Object primaryKey,    Map  properties ) Find by primary key, using the specified properties. Search for an entity of the specified class and primary key

JPA Method in javax.persistence.EntityManager T find (   Class  entityClass,    Object primaryKey,     LockModeType  lockMode,    Map  properties ) Find by primary key and lock, using the specified properties. Search

Hello, we create an entity in transaction A, commit and close the transaction. After that in transaction B we try to find the entity in the DB. But we get always only a result with em. find (), with a query it is not always possible to get the entity, sometimes we get the entity

I test the time cost for find (), obtain a linear complexity with the following codes:   int iBlock = 0x10000;   for (int i = 1; i

Hi, I can only find objectdb.jar releases in the ObjectDB maven repository. If objectdb-jee.jar releases are there, can you let me know where they are, otherwise would it be possible to include objectdb-jee.jar for the current and future maven releases ? Thanks Andrew   andrewv Andrew Voumard

I have an OrderData class, containing an OrderItemData collection, i would like to find OrderData elements by OrderData.items.itemId. I cant get a proper query with MEMBER OF or IN. Does anyone have an idea on how i could formulate that as Typed or CriteriaBuilder query? Thanks.   @Entity

SearchBookingByTimeStamp() { Calendar btime = Calendar.getInstance(); btime.set(2012, 10, 11, 7, 30, 00); //This time is already inserted, trying to find it /* My Query */ TypedQuery query = em.createQuery( "SELECT b FROM Booking b WHERE b.btime = :btime", Booking.class) .setParameter("btime

Hi, I know a single command in MySQL can find repeated records: Select * from TTT t where id in (select id from TTT s group id having count(id)1) I dont know how to do this using JPQL, but I use query from 430,000 records and put them into hashmap, finally it cost one hour and failed: Exception in

* * EntityManager. find (entityClass, primaryKey) is slow when accessing * non-existent IDs. * * Select queries

Do you have any preferred way of finding out whether ObjectDb is my EntityManager's JPA Provider? I know there are problems with using getDelegate ( http://weblogs.java.net/blog/ss141213/archive/2009/05/be_careful_whil.html ) but on the other hand unwrap is not very portable ( https

Hey guys....i am searching for some days for the problem...Maybe one of you can find the error   DATABASE SHEMA: https://www.file-upload.net/download-12530779/2017-06-0214_25_00-MySQLWorkbench.png.html       Entities:   package com.example.demo; import java.io.Serializable

How find out ObjectDB version at runtime (in a web app)

finding post-persist pre-commit objects

object whose primary key is 1: Employee employee = em. find (Employee.class, 1); Casting of the retrieved object to Employee is not required because find is defined as returning an instance of the same ... null is returned. A similar method, getReference , can be considered the lazy version of find

operation. For example, the find method has a form that accepts a lock mode: Employee employee = em. find ... ();   properties.put("javax.persistence.lock.timeout", 2000); Employee employee = em. find

and primary key: em. find (MyEntity2.class, Long.valueOf(1),      Collections ... operation. For example: em. find (MyEntity2.class, Long.valueOf(1),    Collections. singletonMap

from inside an active transaction: Employee employee = em. find (Employee.class, 1); em ... changes when using enhanced entity classes: Employee employee = em. find (Employee.class, 1); em

operations, such as find . However, query execution is much more complex. Therefore, before a query

that during development you may find that an essential feature is missing. For example, some competing products

transaction, it can be deleted using the remove method: Employee employee = em. find (Employee.class, 1

The JPA Query Language (JPQL) can be considered as an object oriented version of SQL. Users familiar with SQL should find JPQL very easy to learn and use. This chapter explains how to use JPQL as well as how to use the JPA Criteria API, which provides an alternative way for building queries in JPA

" find " method. If nothing is returned from the db the passed object is persisted to the db. I have 5 ... somewhere in the find . The thread dump looks like: Name: DEV1-WSAgent-1-Existing/3 State: RUNNABLE Total ... :1056) com.objectdb.o.OBC.aK(OBC.java:969) com.objectdb.jpa.EMImpl. find (EMImpl.java:551) - locked

.EMImpl. find (EMImpl.java:591) at com.objectdb.jpa.EMImpl. find (EMImpl.java:514) at sun.reflect ... (SharedEntityManagerCreator.java:240) at $Proxy33. find (Unknown Source) at local.jpa.mapping.xmlparsing.RepoEbene1a ... and may be relevant. The exception is thrown during find . What entity key type is used in that find

Sometimes the ObjectDB throws an internal exception if a find () was executed. It is a sporadic ... .objectdb.jpa.EMImpl. find (EMImpl.java:607) at com.objectdb.jpa.EMImpl. find (EMImpl.java:519) and com ... (UserException.java:93) at com.objectdb.o.OBC.aN(OBC.java:906) at com.objectdb.jpa.EMImpl. find (EMImpl.java

a em. find (User.class, 1).  Then this happens: [ObjectDB 2.2.1_02] Unexpected exception (Error ... (OBC.java:912) at com.objectdb.jpa.EMImpl. find (EMImpl.java:534) at com.objectdb.jpa.EMImpl. find

.onObjectDBError(OBC.java:1566) ~[na:na] at com.objectdb.jpa.EMImpl. find (EMImpl.java:607) ~[na:na] at com.objectdb.jpa.EMImpl. find (EMImpl.java:519) ~[na:na] at com.btc.ep.expression.dal.internal.repositories ... ) ~[na:na] at com.objectdb.o.OBC.aN(OBC.java:987) ~[na:na] at com.objectdb.jpa.EMImpl. find (EMImpl

to create and remove persistent entity instances, to find entities by their primary key ... : IllegalArgumentException - if the instance is not an entity Since: JPA 2.0 T find (Class  entityClass, Object primaryKey) Find by primary key. Search for an entity of the specified class and primary

) in Tomcat: Find the Tomcat server in the [Services window] under Servers. Right click the server node

. find EntityManager. find EntityManager.lock EntityManager.lock Since: JPA 1.0 Public Constructors

(Expression  x) Create an aggregate expression for finding the greatest of the values (strings ... expression for finding the least of the values (strings, dates, etc). Parameters: x - expression representing

(OBC.java:1081) at com.objectdb.o.OBC.aM(OBC.java:999) at com.objectdb.jpa.EMImpl. find (EMImpl.java:591) at com.objectdb.jpa.EMImpl. find (EMImpl.java:514) at com.ysoft.cache.objectdb.ObjectCacheDB ... , it wouldn't be easy to find and fix it. If you can share your test so we will be able

JPA Enum LockModeType java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.LockModeType Lock modes can be specified by means of passing a LockModeType argument to one of the javax.persistence.EntityManager methods that take locks ( lock , find , or refresh ) or to the Query

JPA Enum CacheRetrieveMode java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.CacheRetrieveMode Used as the value of the javax.persistence.cache.retrieveMode property to specify the behavior when data is retrieved by the find methods and by queries. Since: JPA 2.0 The Shared (L2

. The enhancer did not find the metadata file in which Person is declared as persistent. Therefore, it was not

loader that loaded the I18NHelper class to find the specified Bundle. The class provides ... bundleName,ClassLoader loader) uses the specified class loader to find the bundle. Subsequently, instance ... out the bundle name for the class object's package and uses the class' class loader to find the bundle. Note

for this factory. This is used to find the object-datastore mapping file(s). Return: the Mapping ... ) Set the Mapping setting for this factory. This is used to find the object-datastore mapping file(s

JDO Method in javax.jdo.PersistenceManagerFactory String getMapping () Get the Mapping setting for this factory. This is used to find the object-datastore mapping file(s). Return: the Mapping setting. Since: JDO 1.0

JDO Method in javax.jdo.PersistenceManagerFactory void setMapping (   String mapping ) Set the Mapping setting for this factory. This is used to find the object-datastore mapping file(s). Parameters: mapping - the Mapping setting. Since: JDO 1.0

JDO Static Method in javax.jdo.spi.I18NHelper I18NHelper getInstance (   String bundleName,    ClassLoader loader ) An instance bound to a bundle. This method uses the specified class loader to find the bundle. Note, the specified class loader must not be null

JDO Static Method in javax.jdo.spi.I18NHelper I18NHelper getInstance (   Class cls ) An instance bound to a bundle. This method figures out the bundle name for the class object's package and uses the class' class loader to find the bundle. Note, the specified class object must not

JDO Static Method in javax.jdo.spi.I18NHelper I18NHelper getInstance (   String bundleName ) An instance bound to a bundle. This method uses the current class loader to find the bundle. Parameters: bundleName - the name of the bundle Return: the helper instance bound to the bundle Since: JDO 1.0

it. If not, try to find a constructor for the class with a single String argument. Otherwise, throw