About explorer

tutorial

Step 2: Entity Class and Persistence Unit

Explains how to define a JPA entity class and a persistence unit (persistence.xml) in an Eclipse Spring MVC web application project.... Right click the project node (in the [Package Explorer] window), select  New > Source Folder , enter ... the new source directory node (in the [Package Explorer] window) and selecting  New > Class . ... Right click the src/main/resources node (in the [Project Explorer]) and select  New > Folder. The parent folder ...

 
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Difficulty with the BIRT plugin

Hi, am trying to get the BIRT plugin to work. Firstly: connecting to an odb server doesn't seem to work (incompatible versions) - but there isn't any way to find out what version the BIRT plugin is using. Next: connecting directly to a file datasource seems to work, in the sense that I can ping the database, however, there doesn't appear to be any way to create a new Data Set from the Data Explorer, as suggested in the online manual: ... to be any way to create a new Data Set from the Data Explorer, as suggested in the online manual: Open the [New Data ... box by right clicking the Data Sets node in the [Data Explorer] window and selecting New Data Set. ...

 
release

2.2.2

...  element comparison bugs. Fixed an Explorer bug in opening tables for selected rows. Fixed a ... Version 2.1.1 Fixed an  Explorer bug in handling listeners and callbacks. Fixed a bug ...

 
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Changing existing objects from Entity to Embedded

Hi, I realised that I have a mistake (from application logic point of view) in one of my JDO metadata files: ... However since this change I can not open the DB file in Explorer. I get this exception: java.lang.ClassCastException: ... com.objectdb.Explorer$1.run(Explorer.java:57) at ... the app was working fine, but on opening the DB file in Explorer I got again the above exception. I would appreciate some ...

 
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Some details about db behavior

Suppose I have two entities... A B -> A B has a ManyToOne relationship with A. When my database is empty and I persist a valid B entity (that contains actual A reference) I observe some behaviour that I'm not sure I understand. ... that I'm not sure I understand. 1. In ObjectDB explorer I see Both B and A Entity classes available in sidebar but B has one ... or it is keeping a copy of that information? 2. In explorer in every column where a complex type is represented in json like ...

 
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'DROP TABLE' in ODB?

Let's say I no longer need some entity in my project and after deleting all the objects of this type in database I want to remove this type from schema. How can I do this? Is there something like SQL 'drop table' in ODB? ... such drop operation would be on the list of classes in the Explorer. Is it correct? ObjectDB Support ... I found a description that the DB Explorer should be capable to delete classes? But it seems not to work ...

 
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Add class to objectdb ?

Hello , i've made blank db project and opened with explorer.jar How can i add class file then push objects manually by explorer.jar   It only gave me blank : http://img543.imageshack.us/img543/7463/screenshot20130203at001.png       ... Hello , i've made blank db project and opened with explorer.jar How can i add class file then push objects manually by explorer.jar   It only gave me blank : ...

 
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DB Doctor sets type to "unknown" for new fields

Hi, we are using ObjectDB 2.5.4_04 on Linux. We added two new Boolean fields to a persistable type and run DB Doctor on the exiting DB file in order to update the schema. The fields are added to the schema as expected, however their type is set to unknown - we were expecting Boolean. The attached DB file is what was produced by DB Doctor after adding the emergency and broadcast fields. If you run in DB Explorer ... the emergency and broadcast fields. If you run in DB Explorer SELECT r . emergency FROM RecordingMetaData AS r ... look fine. Apparently your report indicates an Explorer behavior of specifying null results as Unknown type, even when ...

 
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mappedBy problem

If I put the mappedBy element to the @OneToMany, the owned side (the many side) will never persist ! for example @Entity public class Employee { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) public Long id; public String name; @OneToMany(targetEntity=Address.class,mappedBy="employee") public List<Address> addresses; }   @Entity... established between the two entities! Using the explorer I see the employee field in the Address is null and there is no link ... to execute a query). You are right about the Explorer. Currently inverse (mapped by) fields are not shown. Support of bidirectional links is a new ObjectDB 2 feature and the Explorer has not been adjusted yet. ObjectDB Support ...

 
release

2.2.3

...  element comparison bugs. Fixed an Explorer bug in opening tables for selected rows. Fixed a ... Version 2.1.1 Fixed an  Explorer bug in handling listeners and callbacks. Fixed a bug ...