ObjectDB Database Search
51-100 of 200 resultsString Contains Query Result - Possible? Hi, I have a managed database for an Entity, "Program", containing a String field, "description ... one that is contained within the System Description. public static Program programByDescription(String desc) { for(Program p : allPrograms()) if(desc. contains (p.getDescription())) return p; return null | |
Memory error during commit, if @ElementCollection field contains many elements collection contains more than 10.000 elements. There are more than 100.000 TCSteps persisted in ... entity classes. Every TCStep will reference a new entity object that will contain the collection | |
Logging archive contains non-objectdb log files Hi, I'm dealing with problem, that objectdb's log archive folder contains several other log files which are not part of objectdb. We use single location for our application log files and also objectdb log files. When application crashes or retarts, we noticed that several of our log files reside | |
Query to find object from element of a contained collection I have an OrderData class, containing an OrderItemData collection, i would like to find OrderData elements by OrderData.items.itemId. I cant get a proper query with MEMBER OF or IN. Does anyone have an idea on how i could formulate that as Typed or CriteriaBuilder query? Thanks. @Entity | |
embed the .odb file in tomcat webapp containerembed the .odb file in tomcat webapp container | |
The project does not contain a persistence unitThe project does not contain a persistence unit | |
JPA Annotations for Java EE The following JPA annotations are in use to integrate JPA into a Java EE application and are managed by the Java EE container : | |
Control and Setting This section contains miscellaneous JPA types. The PersistenceUtil and PersistenceUnitUtil interfaces provide general utility methods: The Cache interface and the CacheRetrieveMode and CacheStoreMode enum types serve in managing the EntityManagerFactory's shared (level 2) cache: Other enum types are provided for setting of various JPA operations: | |
Database Schema Evolution ). From any object to any collection or array that can contain that object as en element. From any map | |
Chapter 2 - JPA Entity Classes JPA Entity classes are user defined classes whose instances can be stored in a database. To store data in an ObjectDB database using JPA you have to define entity classes that represent your application data object model. This chapter explains how to define and use entity classes. This chapter contains the following sections: | |
Eclipse Public License - v 1.0 copyright notices contained within the Program. Each Contributor must identify itself as the originator | |
Running JPA Queries. If the database contains multiple Country objects with the name 'Canada' (e.g. due to a bug | |
Shared (L2) Entity Cache = cache. contains (MyEntity.class, Long.valueOf(id)); Cached entity objects can be removed from the cache | |
Chapter 6 - Configuration The ObjectDB configuration file contains one root element with seven subelements: ... ... ... ... ... ... ... Each one of these seven configuration elements is explained in a separate section: This page explains how ObjectDB configuration works in general. The Configuration Path By default | |
Entity Management Settings The configuration element specifies front end settings that are relevant on the client side and in embedded mode. The default configuration file contains the following element: The element The element specifies enhancement related settings: The agent attribute (whose value is "true" or "false | |
Posting Sample Code protected constructor, An entity class must be a top level class, The project does not contain | |
JPA Annotations JPA defines dozens of annotations that can be divided into the following groups: Annotations for JPA aware classes: Annotations for fields in JPA persistable classes: Annotations for additional JPA configuration: Annotations for JPA lifecycle event callbacks: Java EE container annotations: Many | |
Paths and Types in JPQL and Criteria API class must contain a persistent field (or property) with a matching name. The path expression | |
JPA Criteria API Queries fills at runtime in a form that contains many optional fields - is expected to be cleaner when using | |
ORDER BY clause (JPQL / Criteria API) processing chain. If a query contains both an ORDER BY clause and a GROUP BY clause the SELECT clause | |
InternalException when querying indexed field using a list that contains duplicates filter like this is used: ":ids. contains (originalId)" originalId is an indexed String field on the candidate class :ids is a list which contains a duplicate entry If the field is unindexed, or :ids does not contain duplicates, the exception is not thrown and the query produces the expected results | |
WeakRef Purge ObjectDb threads not stopping with Tomcat (in application container) Hi, We have threads that are not stopping with Tomcat requiring a hard stop of the container . Can you please help us resolve this issue? Thanks, Clinton / Fazle What is the impact of the issue ... , so it should be more friendly for Tomcat and similar containers . support Support | |
jakarta.persistence.criteria.Subquery of the containing query Returns: subquery root. Since: Jakarta Persistence (JPA) 1.0 Join correlate ( Join ... . Parameters: parentJoin - join object of the containing query Returns: subquery join. Since: Jakarta ... : parentCollection - join object of the containing query Returns: subquery join. Since: Jakarta Persistence | |
jakarta.persistence.EntityManagerFactory("orderMgt"); Alternatively, in the Jakarta EE environment, a container -managed EntityManagerFactory may be obtained by dependency injection, using PersistenceUnit . // inject the container -managed factory ... EntityManager s. Alternatively, in the Jakarta EE environment, a container -managed EntityManager | |
jakarta.persistence.PessimisticLockScope owned by the entity that are contained in join tables are locked if the property jakarta.persistence ... table(s). Entity relationships for which the locked entity contains the foreign key ... ). Element collections and relationships for which the entity does not contain the foreign key (such as | |
jakarta.persistence.Cache, except for contains , which returns false. Since: Jakarta Persistence (JPA) 2.0 The Shared (L2) Entity Cache article explains how to use Cache . Public Instance Methods boolean contains ( Class cls , Object primaryKey ) Whether the cache contains data for the given entity. Parameters: cls - entity | |
jakarta.persistence.Persistence a Jakarta EE container environment as well; however, support for the Java SE bootstrapping APIs is not required in container environments. The Persistence class is used to obtain a PersistenceUtil instance in ... ; these may also contain provider-specific properties. The values of these properties override any values | |
jakarta.persistence.PersistenceUnitUtil is to be determined entity - entity instance containing the attribute Returns: false if entity's state ... - attribute whose load state is to be determined entity - entity instance containing the attribute Returns | |
jakarta.persistence.JoinColumn mapping, the referenced column is in the table of the entity containing the collection. Default ... : "" Since: Jakarta Persistence (JPA) 3.2 String table (Optional) The name of the table that contains | |
jakarta.persistence.ManyToMany. The ManyToMany annotation may be used within an embeddable class contained within an entity class ... containing the embeddable class is the owner of the relationship, the non-owning side must use | |
jakarta.persistence.Convert to the specified attribute of the embeddable instances contained in the collection a map collection ... to the keys or values of the map, or to the specified attribute of the embeddable instances contained | |
jakarta.persistence.criteria.CriteriaQuery without specifying a type, and the list passed to the multiselect method contains only a single element ... to the multiselect method contains more than one element, an instance of type Object[] will be instantiated | |
jakarta.persistence.CollectionTable to the ElementCollection annotation. If the embeddable class contains references to other entities, the default values ... to the concatenation of the name of the containing entity and the name of the collection attribute, separated by | |
jakarta.persistence.PersistenceProperty Jakarta Persistence (JPA) Annotation Type jakarta.persistence.PersistenceProperty Implemented Interfaces: Annotation Describes a single container or persistence provider property. Used in ... to the persistence provider by the container when the entity manager is created. Properties that are not | |
jakarta.persistence.PersistenceConfiguration to configure a container -managed persistence unit. That is, the configured persistence unit ... must be provided via jtaDataSource , or by the container . If PersistenceUnitTransactionType.RESOURCE | |
jakarta.persistence.PersistenceContext Jakarta Persistence (JPA) Annotation Type jakarta.persistence.PersistenceContext Implemented Interfaces: Annotation Target: Type, Method, Field Expresses a dependency on a container -managed ... ) 2.1 PersistenceProperty[] properties (Optional) Properties for the container or persistence provider | |
jakarta.persistence.PessimisticLockScope.NORMAL for which the locked entity contains the foreign key will also be locked, but not the state ... and relationships for which the entity does not contain the foreign key (such as relationships that are mapped to join tables or unidirectional one-to-many relationships for which the target entity contains | |
jakarta.persistence.criteria.CriteriaQuery.multiselect(List), and the list passed to the multiselect method contains only a single element, an instance of type ... contains more than one element, an instance of type Object[] will be instantiated and returned for each | |
jakarta.persistence.PersistenceUtil whose load state is to be determined entity - entity containing the attribute Returns: false if entity's | |
jakarta.persistence.JoinTable a relationship with an embeddable class on the owning side of the relationship, the containing entity | |
jakarta.persistence.InheritanceType class in the hierarchy has its own table, but that table does not contain columns mapped | |
Getting Started with JPA - Maven Project The current directory should be points-console ( containing the pom.xml file). No need to download | |
Step 3: Define a Spring DAO Component the application to the Spring Framework. For instance, in this example the Spring container : Manages | |
Spring MVC JPA Tutorial - Maven Project jetty:run The current directory should be guestbook-spring ( containing the pom.xml file | |
Step 5: Add a JSP Page Guest Book Web Application Tutorial Name: The JSP generates the guestbook page output, which contains | |
Step 5: Add a JSP Page Tutorial Name: The JSP generates the guestbook page output, which contains a simple form for signing | |
Step 5: Add a JSP Page Tutorial Name: The JSP generates the guestbook page output, which contains a simple form for signing | |
Step 5: Add a JSP Page generates the guestbook page output, which contains a simple form for signing the guestbook, followed by | |
Getting Started with JPA and NetBeans the ObjectDB distribution zip file. The distribution zip contains everything necessary (no external | |
Step 4: Create an ObjectDB Data Set this tutorial contains Point entity objects. We will use a simple JPQL query that retrieves points with x |