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Navigation through Path to evaluate collection

; } @Entity public class ProductData implements Serializable {     @Id @GeneratedValue     private

Problem with bidirectional link

with the same id = 0. You can easily solve the problem by annotating the id field with @GeneratedValue. I

Problem to use find method on an abstract Class: AbstractMethodError is thrown

@GeneratedValue Long id;                 @Override         public String toString

Possible issue with String fields

implements Serializable { @Id @GeneratedValue private long id; String company_pkey

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support