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10

Problem witch CriteriaBuilder isMember(..)

misunderstood some essentials I have defined an entity class and an embeddable class like this @Entity ... <String>(); Testclass testobject = new Testclass(0,0); } @Embeddable class Testclass { long uid = 0 ... again. Until build 2.6.4_09 the isMember method works fine with embeddable objects. But in 2.6.5_02 and 2
10

Exception when querying Map property with @embedded & Enhancer enabled

MyEntity2 Thanks import java.util.LinkedHashMap; import javax.persistence.Embeddable; import javax ... + "]";   } } @Embeddable public static class MyAttributeItem {   private String id;   private String name ... embeddable classes in queries. Please try build 2.6.4_06 that should fix this issue. support Support
10

collection of embedded objects

of @Embeddable objects? ie. Suppose I want to query: SELECT count(a) FROM A a WHERE a.setOfB.value =:value ... is a user defined embeddable class or a collection of user defined embeddable classes. Therefore, in
10

EmbeddedId with Generated field value

; } @Embeddable public class CompositePK {     private long uid;     private String zone; } In ... only for entity objects (and not for embeddable classes). Consider using: @IdClass(ZoneId.class ... . But at this point has ZoneId class (or CompositePK class) to be declared as @Embeddable static
8

Documentation problem - license does not match implementation

does not allow 10 entity classes. It allows a total of 10 persistable classes - entity and embeddable ... It was fixed and you should be able to use version 2.4.3 with 10 entity classes + embeddable classes. support Support
8

Multi part paths in a composite index must have the same length

- @Embeddable public class SafeLong implements Serializable, Comparable<SafeLong>{     public long ... SafeLong(value);         }     }         @Embeddable     public static class SafeLong
8

New to Product & Having An Issue

.... @Embeddable @Access(AccessType.PROPERTY) public class DomainId implements Serializable { public ... classes and embeddable classes) can be compared by using the equality operators (=, <>, ==, !=). Note
8

A few questions on object database design

everything about the player as embeddable classes. However, my colleague questions about this structure ... of your application. Switching between entity classes and embeddable classes is easy
8

Join query problem with new statetment

an embeddable class to entity class, which results in having a class with mixed objects in the database - the old embeddable objects and the new entity objects. For more precise diagnosis - please post
8

Performance in SELECT statement

... } @Embeddable public class State {     private Long lastProcessingDate;     private int ... directly on a field of embeddable class. Define a path index on TestEntity instead: @Entity @Index

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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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