About number

forum_thread

Threading Problem (maybe with Criteria)

Hi all I found some threading problems I do not understand: here is the the link to the testcase http://www.advolux.de/weblink%20forum/test.zip ... max - threads = "10" / > but the number of threads doesn't really change the result I'm new to ...

 
forum_thread

Problem witch CriteriaBuilder isMember(..)

Dear Objectdb-Team I have some Problems running a criteria query against a set. But maybe I misunderstood some essentials I have defined an entity class and an embeddable class like this #1 2015-12-09 10:05 Dear Objectdb-Team I have some Problems running a criteria query against a set. But maybe I misunderstood ...

 
forum_thread

Running ObjectDB on a node that does not have internet connectivity

Upon initializing our ObjectDB database on a node that does not have a connection to the outside internet, we get the following exception. Any idea what would be causing this? #1 2010-09-20 15:36 Upon initializing our ObjectDB database on a node that does not have a connection to the outside internet, we get ...

 
release

2.6.2

... Improved processing of queries with a large number of variables ( issue #114 ). Improved toString of ... Fixed a critical bug in handling a very large number of entity classes ( issue #139 ). Fixed ...

 
issue

again merger missing logs + objectdb exception

we are facing similar problems as we had before, in the log we have a lot of entries merger ... missing + an objectdb exception. Some objects in the system behave strange. This is a part of the log: ... [2017-09-26 12:16:14 #1222 store] SectionClassifier: SectionClassifier{238146996->merger[3309]-missing:1} [2017-09-26 12:16:25 #1223 store] SectionClassifier: SectionClassifier{238146996->merger[3309]-missing:1} ... additional information about the section (e.g. section number). Somehow these two specific  ObjectProperty instances have ... found in indexes in the provided database (except number of entries, which is due to the missing  ObjectProperty ...

 
manual

Logical Operators in JPQL and Criteria API

Explains how to use AND, OR and NOT in JPQL queries.... Additional factory methods are available for a variant number of predicates: Predicate ...

 
forum_thread

Issue with orphanRemoval and multiple EntityManagers

Hi, We have a problem where our database size grows over time more than expected. We've traced it down to the following issue: ... ;   System. out . println ( "Number of addresses: " + res3. size ( ) ) ; ...

 
forum_thread

Searching lists within objects

Hi everyone,  I've a problem with searching on lists. I'm uncertain as to what the best form is, so I've created a maven project with all the classes and a unit test showing my issue. Pretty 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 to have the real object at search time. ... Now it has issues searching on numbers, even though the number is stored in the database as a string. Please look at unit tests, ...

 
forum_thread

TimeSeries and ObjectDB

Hi, I am using ObjectDB for storing TimeSeries (large ones) - when I get new points to add to the TimeSerie entity - I currently have to retrieve the whole timerserie since beginning of time, then add the new points, and then commit the whole timeserie again. I looked at Update queries - but they seem to be handling simple tasks - like multiply one field of the entity by a constant. More generally: 1- is ObjectDB suitable for large time series? 2/ If so - any example would be helpful - on how to organise the data. ... individual point by time. The downside is that the number of entities in a given DB will be much larger and requires the unlimited ...

 
release

2.6.1

... Improved processing of queries with a large number of variables ( issue #114 ). Improved toString of ... Fixed a critical bug in handling a very large number of entity classes ( issue #139 ). Fixed ...