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115

Retrieve data of all entity classes in a single query

etc) This is the code I use to retrieve all Managed Types and data for the Athlete class Metamodel ... Zazopoulos You can retrieve all the entity objects using a query on Object:     SELECT o FROM Object o ... you will have to check object types using instanceof. Alternatively, you may avoid casting and retrieve
115

Bug: ClassCastException by retrieval

("find by retrieval : %s %n",tn3.getTa()); System.out.printf("Arrays : %s %n",Arrays.toString(tn3 ... , l, l, o, W, o, r, l, d, 2] find by retrieval : H Arrays : [H, e, l, l, o, W, o, r, l, d, 2 ... the ObjectDB stores temporary setting for each class. Sometimes I create and retrieve generic arrays ok
114

Missing Data on Retrieval (0, null values)

, so if you retrieve an object from a database and its class is not available you will still get an object ... (PersistenceManager.class).retrieve(obj); Note that ObjectDB is not supported on Android. support Support Now
114

Query vs Extent for retrieving data

I'm running into a problem where data that is retrieved via a Query comes out null, but when I retrieve it using an Extent everything is present. We have a very simple class: public class PositionReportManagerBean implements InstanceCallbacks { private int maxReports; private List
112

retrieve without key?

and can't see an option to retrieve an object w/o using a key. can this be done? duetto john cummings You can use a single result query. support Support
112

How to retrieve the ObjectDB version number?

Hi! We need the ObjectDB version for debug purpose/logging. Our project supports also EclipseLink - http://stackoverflow.com/questions/3493495/getting-database-connection-in-pure-jpa-setup With the Connection object the Database name & version can be retrieved. For ObjectDB, which is the best (JPA
112

Retrieval by Access bug?

any reason for that. Could be any bug in ObjectDB when I retrieve by navigation a field from
112

Pre-detach loading: retrieval by navigation not working in if statement

-why-retrieval-by-navigation-and-access webel Dr Darren Kelly It could be some sort of JVM optimization
22

Working with JPA Entity Objects

requires using entity objects for many operations, including storing, retrieving, updating and deleting ... are provided in the Storing Entities section. Entity objects retrieved from the database by an EntityManager are also in the Managed state. Object retrieval is discussed in more detail in the Retrieving
21

retrieval tas reports in log

retrieval tas reports in log

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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