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96

Pessimistic Lock Timeouts setting

._LockTimeoutException: Write lock cannot be granted for a.b.c.d.EE#150. irrespective if I set it at '0 ... would be that the current application method 'sleep' until the lock is released. Is this possible? I realise setting ... William Support of pessimistic lock timeout setting (javax.persistence.lock.timeout) was just added in
96

DB Doctor sets type to "unknown" for new fields

to the schema as expected, however their type is set to unknown - we were expecting Boolean. The attached ... ) is set to unknown. Both are defined as Boolean in Java code. As a result, update operations ... to change the value from null to false: UPDATE RecordingMetaData AS r SET r.emergency=false
95

Setting temp directory location in ObjectDB

file. I am using JDO and setting the persistenceManager as follow properties.setProperty("javax.jdo ... " /> </general> But can you please let me know, if i dont want to use the conf file, how can i set the temp directory using my java class e.g setting through system property or ..... I m using fileName.odb file
95

Understanding Database max-threads objectdb.conf Settings Option

to forum thread mentioned above), I set Database max-threads. In the documentation, it was not completely clear to me if this setting controlled how many internal threads ObjectDB uses, or if ObjectDB is doing some sort of queue/locking whose depth is determined by this setting (and entries
56

join(set, jt)

Method javax.persistence.criteria.From SetJoin<X,Y> join( SetAttribute<?,Y> set, JoinType jt ) Create a join to the specified Set-valued attribute using the given join type. Parameters: set - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
55

PluralAttribute.CollectionType.SET

Enum Constant javax.persistence.metamodel.PluralAttribute.CollectionType SET Set-valued attribute Since: JPA 2.0
25

Database Explorer

the shell file, setting the paths to the objectdb.jarfile and to the JVM). Connecting ... of elements. Use the [First] and [Max] fields to set the result range. Check [Disable Cache] to bypass ... fields can be edited using the following commands: The Edit > Set Reference > Set to Null command
19

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

to set numeric value of field property com.greensoft.objectdb.test.entity.Element.id using reflection ... .9] javax.persistence.RollbackException Failed to commit transaction: Failed to set numeric value ... : com.objectdb.o.UserException: Failed to set numeric value of field property com.greensoft.objectdb
5

JDOPermission.SET_STATE_MANAGER

Static Field javax.jdo.spi.JDOPermission JDOPermission SET_STATE_MANAGER An instance of JDOPermission to be used for setStateManager permission checking. Since: JDO 1.0
2

[ODB1] Chapter 9 - ObjectDB Explorer

of a database. Section 9.5 explains how to define views and set other options that affect viewer windows ... the "Edit Multi Line String" command to edit a multi line string. Use the "Set Reference" command to set a reference field to a new object, to an exiting object or to null. You can add objects or

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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