About check

forum_thread

Odb file version

Hi, Do we have any mechanism to knwo whether the odb file belongs to 1.x object db or 2.x object db. Before migrating all the odb files from objectdb 1.x to 2.x, i would like to add a check if it is already migrated. Any API which is exposed to check the odb files version ? ... odb files from objectdb 1.x to 2.x, i would like to add a check if it is already migrated. Any API which is exposed to check the odb files version ? ...

 
forum_thread

find() cost unreasonable time!

Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? Result: ... Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? Result: ...

 
forum_thread

problems with OEM license/enhancing

we did add this section to our maven pom.xml (from within Eclipse): ... <build>   <pluginManagement> ... ... not enhanced with the OEM Enhancer. Please check if in the build output the classes implement the interfaces: ... OEM activation key is not available during enhancement. Check the location of the objectdb.jar file and make sure that the ...

 
manual

Strings in JPQL and Criteria Queries

Explains string expressions in JPQL queries, including LIKE, LOCATE, LOWER, UPPER, TRIM, CONCAT and SUBSTRING.... The left operand is always the string to check for a match (usually a path expression) and the right operand is always ...

 
api-jdo

javax.jdo.identity.LongIdentity

This class is for identity with a single long field.(Class of JDO)

 
api-jdo

javax.jdo.identity.ByteIdentity

This class is for identity with a single byte field.(Class of JDO)

 
api-jdo

javax.jdo.identity.CharIdentity

This class is for identity with a single character field.(Class of JDO)

 
api-jdo

javax.jdo.identity.ShortIdentity

This class is for identity with a single short field.(Class of JDO)

 
api-jdo

javax.jdo.identity.ObjectIdentity

This class is for identity with a single Object type field.(Class of JDO)

 
api-jdo

checkAuthorizedStateManagerClass(smClass)

Check that the parameter instance is a class that is authorized for JDOPermission("setStateManager").(Static Method of javax.jdo.spi.JDOImplHelper)