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2

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
2

Optimization Question

to the database in the wrong order causing a period of time where the current set of data is incorrect. I ... One of our uses for your ObjectDB software is in maintaining the current state of a large number of data objects called tracks. These tracks change very frequently over time (every 10-15 seconds
0

javax.persistence.PrimaryKeyJoinColumn

of the primary key column of the current table. (Optional) The name of the primary key column of the current table. Defaults to the same name as the primary key column of the primary table
0

getPersistenceProviderResolver()

Static Method javax.persistence.spi.PersistenceProviderResolverHolder PersistenceProviderResolver getPersistenceProviderResolver() Returns the current persistence provider resolver. Returns: the current persistence provider resolver Since: JPA 2.0
0

javax.persistence.RollbackException

the execution stack trace. This method records within this Throwable object information about the current state of the stack frames for the current thread. Returns: a reference to this Throwable instance
0

currentDate()

Method javax.persistence.criteria.CriteriaBuilder Expression<Date> currentDate() Create expression to return current date. Returns: expression for current date Since: JPA 2.0
0

Use temporary files to enable very large transactions

the current transaction after creation. Unfortunately, we will receive an OutOfMemory exception ... results), currently the size of a transaction (i.e. the total size of database pages ... ). However, if you are interested in a quick solution, we may be able to increase the current
0

makeTransientAll(pcs, useFetchPlan)

. The state of fields is unchanged. If the useFetchPlan parameter is true, then the current FetchPlan ... . Parameters: pcs - the root instances to make transient. useFetchPlan - whether to use the current fetch
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isDeleted(pc)

Method javax.jdo.spi.StateInterrogation Boolean isDeleted( Object pc ) Tests whether the parameter instance has been deleted. Instances that have been deleted in the current transaction return ... if the parameter instance was deleted in the current transaction. Since: JDO 2.0
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makeTransientAll(pcs, useFetchPlan)

of fields is unchanged. If the useFetchPlan parameter is true, then the current FetchPlan ... : pcs - the root instances to make transient. useFetchPlan - whether to use the current fetch plan

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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