ObjectDB Database Search

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CriteriaQuery .where() for multiple conditions

CriteriaQuery .where() for multiple conditions

Multiple Collection Fields not update correctly

Multiple Collection Fields not update correctly

JPA Lifecycle Events

. However, the same method can handle multiple callback events if it is marked with more than one callback ... MyEntityWithListener { } You can attach multiple listener classes to a single entity: @Entity ... NoDefaultListenersForThisEntityEither extends NoDefaultListenersForThisEntity { } Callback invocation order When multiple callback

Database Management Settings

multiple elements in the same configuration. This allows the same configuration file, with multiple activation codes, to be used on multiple computers. Note: If you are using an ObjectDB OEM license

SELECT clause (JPQL / Criteria API)

propagated to the database. Multiple SELECT expressions The SELECT clause may also define composite ... for queries with multiple SELECT expressions, where custom result objects can provide an object ... multiple selections and builds a CompoundSelection instance based on the expected query results

Storing JPA Entities

cannot be shared by multiple entities. Each containing entity must have its own embedded objects ... can reference multiple entities. @Entity class Employee { : @OneToOne ( cascade = CascadeType . PERSIST

JPA Criteria Query Expressions

WHERE and HAVING clauses. An enum defining the logical operators ( AND , OR ) used to combine multiple

Setting and Tuning of JPA Queries

) ObjectDB uses automatic optimistic locking to prevent concurrent changes to entities by multiple users

JPA Named Queries Annotations

. A container annotation that groups multiple @NamedQuery definitions on a single class. Supplies parameters

jakarta.persistence.NamedAttributeNode

has inheritance, multiple subgraphs can be specified. These additional subgraphs are intended to add subclass ... NamedSubgraph element. If multiple subgraphs are specified due to inheritance, they are referenced by ... also being specified. If the target type has inheritance, multiple subgraphs can be specified. These additional

Multiple files support for search and persist

to seperate files ( Each file is binded to different disk ) How can i configure objectdb for multiple ... so you cannot split a database to multiple disks unless you split the database itself to multiple ... .g. temporary files, recovery file) to other disks. using replication with multiple servers

jakarta.persistence.Graph

) Add a node to the graph that corresponds to a managed type with inheritance. This allows for multiple ... with inheritance. This allows for multiple subclass subgraphs to be defined for this node of the entity ... that corresponds to a managed type with inheritance. This allows for multiple subclass subgraphs to be defined

jakarta.persistence.Convert

specify the converter class, except to disambiguate cases where multiple converters ... must be specified. To override conversion mappings at multiple levels of embedding, a dot ... if multiple converters would otherwise apply. Default: jakarta.persistence.AttributeConverter/class

jakarta.persistence.EntityGraph

that corresponds to a managed type with inheritance. This allows for multiple subclass subgraphs to be defined ... to a managed type with inheritance. This allows for multiple subclass subgraphs to be defined for this node ... to a managed type with inheritance. This allows for multiple subclass subgraphs to be defined

jakarta.persistence.InheritanceType

to inherited fields or properties, and so the state of an entity instance might be stored across multiple table

jakarta.persistence.ManyToMany

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.ManyToMany Implemented Interfaces: Annotation Target: Method, Field Specifies a many-valued association with many-to-many multiplicity , mapping to an intermediate table called the join table . Every many-to-many association

jakarta.persistence.ManyToOne

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.ManyToOne Implemented Interfaces: Annotation Target: Method, Field Specifies a single-valued association to another entity class that has many-to-one multiplicity . It is not usually necessary to specify the target entity explicitly

jakarta.persistence.NamedNativeQueries

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.NamedNativeQueries Implemented Interfaces: Annotation Target: Type Declares multiple native SQL named queries. Query names are scoped to the persistence unit. The NamedNativeQueries annotation can be applied to an entity or mapped

jakarta.persistence.Converts

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.Converts Implemented Interfaces: Annotation Target: Method, Field, Type Used to group Convert annotations. Multiple converters must not be applied to the same basic attribute. See Also: Convert Since: Jakarta Persistence (JPA) 2.1

jakarta.persistence.Embeddable

of multiple persistent fields or properties, across several entities, and so distinct instances

jakarta.persistence.Entity

of embeddable type has nested mappings to multiple columns in one of the tables mapped by the entity

jakarta.persistence.EntityManager

serially to begin and commit multiple transactions. Returns: EntityTransaction instance. Throws

[ODB1] Chapter 6 - Persistent Objects

(); pm.makePersistent(person); pm.currentTransaction().commit(); Multiple objects can become persistent, either by multiple calls to makePersistent( ... ) , or by passing a collection or array ... cannot be shared by references from multiple objects. In addition, embedded objects of persistent

jakarta.persistence.PersistenceConfiguration.properties(Map)

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration PersistenceConfiguration properties (    Map properties ) Set multiple properties of this persistence unit. Parameters: properties - the properties Returns: this configuration. Since: Jakarta Persistence (JPA) 1.0

Mismatch client-server protocol prefix

:757) I checked multiple times if the versions match. They do. DB server version 2.6.2. Client ... ;   } This code worked for a couple of years now and is used in multiple projects. mosi0815 ... to every transaction stops to work correctly. I also found multiple examples on the Internet where they don't

Objectdb EntityManagerFactory problem

one  EntityManagerFactory per application, with multiple   EntityManager instances for multiple database connections. support Support

ObjectDB embeddable Springboot

Hi I have not seen, cursory search was not informative, if odb can be embedded like derby.  How does odb handle byte[].  How do you create multiple dbs.  Finally is there a gui ... (see supported types ). How do you create multiple dbs. See this documentation page .  Finally

Activation Issue

code is per machine. Use your site license to generate multiple activation codes. You may also specify multiple activation codes in the configuration file (in order to share the same objectdb.conf file

Are Queries in ObjectDB Multithreaded ?

. However, if your application use multiple threads that execute multiple queries against ObjectDB simultaneously

Pessimistic Lock Timeouts setting

where multiple threads can hit a shared counter (which is used to track separate customers product

EntityManagerFactory objects being locked during EntityManager creation

multiple   EntityManagerFactory Instances. support Support

Online backup problem

Hi, We are trying to create a servlet that performs database online backup. Unfortunately, even though no exception is thrown, backup files aren't created. When I turn on DEBUG logging in ODB, I get multiple ClassNotFoundExceptions like : [2011-06-04 05:34:14 #2 type.loader] java.lang

Installing a VM security fix leads to inactive DB

We installed a security hotfix on all our VM instances. BAM all DB licenses are inactive, now we have to create new keys for all of them. We sometimes have to create new keys if we update to a newer objectdb version. We had to create new keys multiple times because of the unstable activation

Problem with distinct select, order by and equivalent alias/attribute path

, otherwise the same result may have multiple different order values. Your third query, although logically

combined index not used

with multiple JOIN operations with very slow execution time you may be able to manually select the best