About settings

31-40 of 200Refresh
Forum
14

JPA and handling large data sets

. But exporting large binary data sets is very slow. To avoid memory problems the binary data type is read step ... sets the way is slow. We have an own entity for storing binary data (pictures, documents). Hint ... the next set of objects. Usually the problem is only with setFirstResult and using setMaxResults
Forum
14

JPA query of a Set of terms

of SearchTerm objects. ie. Set terms;     // the set is filled with SearchTerm objects ... : Set terms; // the set is filled with SearchTerm objects
Forum
14

@ElementCollection Set<Integer> is emptied sometimes

already. ObjectDB seems to clear some fields that are @ElementCollection Set of my objects ... null. So, my @ElementCollection Set fields become empty sometimes during development ... it. Initially, I was not using @ElementCollection on my Set fields from User class. I've seen
Forum
14

Safe Settings

Hi, I am trying to set up ObjectDb in a safe way that allows turning the machine off while database ... with both configuration settings with the debugger and I put a breakpoint in FileDescriptor#sync(). It never got triggered with no setting that I could come up with. How come? Thanks in advance
Forum
14

best practice for configuration settings

to our core process, each accessing objectdb. What is the best setting ? synchronized there is no documentation about this setting, what does it do/mean ? With 16 processor cores the optimum ... testing and comparing different settings under the real conditions. If synchronized is true
Result
14

ObjectDB Object Database Features

ObjectDB provides a rich set of features. Many features are implemented as part of ObjectDB's ... . Persistence is set using JPA/JDO annotations (e.g. @Entity, @Id, @Index). Transparent activation ... .lang.BigDecimal. Collection types: Collection, List, Set, ArrayList, Vector, Stack, LinkedList
Manual
14

JPA Primary Key

64 bit number (long) that is set automatically by ObjectDB for every new entity object that is stored ... key field: @Entity public class Project { @Id @GeneratedValue long id; // still set ... value generation is discussed in detail in the Generated Values section. Application Set Primary Key
Forum
13

NullPointerException while setting a new property value

to entities from 2 threads: 1. Creating a list of entities, default values are set from imported file 2 ... (); } } 3. The code continues with a revalidation and re-setting some properties to entities from
Forum
13

Objectdb Server Mode set up with glassfish

Hi I'm new to Java, glassfish and objectdb, so please forgive my ignorance. I have a glassfish server working with the embeded mode of objectdb. I now want to set up objectdb in server mode. I ... my project ? How do I configure my persitence.xml file ? Do I need to set up something in Glassfish
Forum
13

Fetch Set from DB only works on debug mode

I have a class A, that contains a LinkedHashSet of  another class named B. When I try to fetch that hash set, it returns a null pointer. BUT, when I run the program in debug mode, it works fine ... is closed is not available after closing the EntityManager. In debug mode, by examining the set you load