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16

Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

, still it is taking the same amount of time. 11-Sep 14:55:58 ERROR [JDORepository.retrieve:482] Start Time : class ... .retrieve:484] End Time Time 11-Sep 14:56:34 ERROR [JDORepository.retrieve:482] Start Time : class com ... ] End Time Time 11-Sep 14:57:09 ERROR [JDORepository.retrieve:482] Start Time : class com.anritsu.eu
15

Selective merge/cascade of detatched entity

memory at all times, in a Detached state (I realise the implications here, there are good reasons ... to the database, so a commit will never fail. Any time an object is modified it is checked ... takes a significant amount of time. What I would Ideally like to happen
14

Query filter comparing Dates

you for the report and the test case. Working with dates could be very tricky due to time zones. In ... "));     // GregorianCalendar calendar = new GregorianCalendar(); All date and time values are stored in the database as time (e.g. in milliseconds) since 1.1.1970 UTC. For TemporalType.DATE the hours
13

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

through with NetBeans debugger did not help me, as every time you inspect a variable it triggers loading ... . It could still be an optimization that is used by the JVM interpreter as well. Have you tried build time ... Support > Have you tried build time enhancement instead of using -javaagent? I don't usually, because I
3

currentTime()

Method javax.persistence.criteria.CriteriaBuilder Expression<Time> currentTime() Create expression to return current time. Returns: expression for current time Since: JPA 2.0
2

javax.persistence.EntityManagerFactory

EntityManager. This method returns a new EntityManager instance each time it is invoked. The isOpen ... returns a new EntityManager instance each time it is invoked. The isOpen method will return true
0

javax.jdo.Constants

_SERVER_TIME_ZONE_ID The name of the persistence manager factory element's "server-time-zone-id" attribute. The name of the persistence manager factory element's "server-time-zone-id" attribute ... " Since: JDO 2.1 See Also: PersistenceManagerFactory.getRetainValues() String PROPERTY_SERVER_TIME_ZONE_ID
0

getServerDate()

Method javax.jdo.PersistenceManager Date getServerDate() Get the Date as seen by the server. Clients using this method can order their operations according to a single time source. Implementations use the setting of the server time zone to prepare a Date instance that represents UTC time
0

javax.jdo.PersistenceManagerFactory

and can only be called when the PersistenceManagerFactory is configurable (before the first time ... and can only be called when the PersistenceManagerFactory is configurable (before the first time
0

javax.jdo.Query

the cache. For optimistic transactions, this can dramatically improve query response times ... class Date; or one of the java.sql classes Date, Time, or Timestamp; or a user-defined class

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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