ObjectDB Database Search

that object explorer has lower functionality than in ver 2 . 2 eg garbarage collector or xml import ... You are right - some important features of ObjectDB 1.0 Explorer are not implemented yet in ObjectDB 2 . 2 . This is because ObjectDB 2 was written almost from scratch and the old Explorer does not match

to have my persistent objects be cached until the Java Virtual Machine (JVM) does a full Garbage Collection (GC ... to get rid of older objects before more recently accessed ones.  I attempted to use Java SoftReference to my large byte[] and instruct ObjectDB to use soft reference for its Level One (L1) object data

Hi , in my database i want to fetch resultlist as big chunks.JPA 2 . 2 has new feature named Stream ... objectdb for JPA 2 . 2 ?  eix128 Kadir BAŞOL We hope to support this feature soon ... , similarly to the way that JPA 2 . 2 streams work. To free memory, however you will have to clear

;  |     Objects       |     ... ( Object )                 ... Golyshkin ObjectDB allocates internal data structures for every persisted object , but uses weak

with null objects ! With builds 6 and 5 works it correctly. Removing mappedBy from @OneToOne(mappedBy ... . Your code should work again with build 2 . 2 .7_09. support Support

I have ObjectDB partially working with my project. At the moment it seems to be saving objects and retrieving objects ok in the main project. However, when I make a plugin for the project, the new objects are persisted but not retrieved. I get the following error: java.lang.ClassCastException: org

That was a bug - please try build 2 . 2 .8_02. If you post a test with many CDI objects and attributes ... much I want to search using cb.isMember passing an object . This however does NOT work. I'm uncertain ... , which means you can only match isMember if you have a database object . This does not help as I'm never going

Jakarta Persistence (JPA) Enum jakarta.persistence.AccessType java.lang. Object ∟ java.lang.Enum ... Persistence (JPA) 2 .0 Enum Constants FIELD Field-based access is used. Since: Jakarta Persistence ... /compareTo(E), java.lang.Enum/describeConstable(), java.lang.Enum/equals( Object ), java.lang.Enum/finalize

Jakarta Persistence (JPA) Enum jakarta.persistence.CascadeType java.lang. Object ∟ java.lang.Enum ... operation Since: Jakarta Persistence (JPA) 2 .0 MERGE Cascade the merge operation Since: Jakarta ... ), java.lang.Enum/describeConstable(), java.lang.Enum/equals( Object ), java.lang.Enum/finalize

Jakarta Persistence (JPA) Enum jakarta.persistence.CacheRetrieveMode java.lang. Object ∟ java.lang ... (CacheRetrieveMode) Since: Jakarta Persistence (JPA) 2 .0 The JPA Shared (L2) Entity Cache article ... .Enum/compareTo(E), java.lang.Enum/describeConstable(), java.lang.Enum/equals( Object ), java.lang.Enum

Jakarta Persistence (JPA) Enum jakarta.persistence.CacheStoreMode java.lang. Object ∟ java.lang ... ) Since: Jakarta Persistence (JPA) 2 .0 The JPA Shared (L2) Entity Cache article explains how to use ... (), java.lang.Enum/compareTo(E), java.lang.Enum/describeConstable(), java.lang.Enum/equals( Object

Jakarta Persistence (JPA) Class jakarta.persistence.SchemaValidationException java.lang. Object ... () Since: Jakarta Persistence (JPA) 3. 2 Public Constructors SchemaValidationException ( String message ... a problem with one database object , in which case there is only one problem reported

Jakarta Persistence (JPA) Enum jakarta.persistence.SharedCacheMode java.lang. Object ∟ java.lang ... of PersistenceUnitInfo.getSharedCacheMode . Since: Jakarta Persistence (JPA) 2 .0 Enum Constants ALL All entities ... (), java.lang.Enum/compareTo(E), java.lang.Enum/describeConstable(), java.lang.Enum/equals( Object

Jakarta Persistence (JPA) Enum jakarta.persistence.SynchronizationType java.lang. Object ∟ java ... transaction by means of the EntityManager.joinTransaction method. Since: Jakarta Persistence (JPA) 2 .1 ... (), java.lang.Enum/compareTo(E), java.lang.Enum/describeConstable(), java.lang.Enum/equals( Object

Jakarta Persistence (JPA) Enum jakarta.persistence.ParameterMode java.lang. Object ∟ java.lang.Enum ... StoredProcedureParameter Since: Jakarta Persistence (JPA) 2 .1 Enum Constants IN Stored procedure input ... /equals( Object ), java.lang.Enum/finalize(), java.lang.Enum/getDeclaringClass(), java.lang.Enum/hashCode

Jakarta Persistence (JPA) Class jakarta.persistence.PersistenceConfiguration java.lang. Object ... ) Since: Jakarta Persistence (JPA) 3. 2 Public Static Fields CACHE_MODE String specifying a SharedCacheMode ... PersistenceConfiguration property ( String name , Object value ) Set a property of this persistence unit. Parameters

Jakarta Persistence (JPA) Enum jakarta.persistence.PessimisticLockScope java.lang. Object ∟ java ... or used with the NamedQuery annotation. Since: Jakarta Persistence (JPA) 2 .0 Enum Constants EXTENDED ... /describeConstable(), java.lang.Enum/equals( Object ), java.lang.Enum/finalize(), java.lang.Enum/getDeclaringClass

Jakarta Persistence (JPA) Class jakarta.persistence.Timeout java.lang. Object ∟ jakarta.persistence ... Persistence (JPA) 3. 2 Public Static Methods Timeout milliseconds ( int milliseconds ) Specify ... Persistence (JPA) 1.0 Additional JDK methods inherited from java.lang. Object java.lang. Object /clone

for equality. Since: Jakarta Persistence (JPA) 3. 2 Predicate equalTo ( Object value ) Create a predicate ... (JPA) 3. 2 Predicate notEqualTo ( Object value ) Create a predicate to test whether the expression ... . Since: Jakarta Persistence (JPA) 2 .0 The Paths and Types in JPQL and Criteria API article explains

Jakarta Persistence (JPA) Class jakarta.persistence.QueryTimeoutException java.lang. Object ∟ java ... transaction, if one is active, will be not be marked for rollback. Since: Jakarta Persistence (JPA) 2 ... inherited from java.lang. Object java.lang. Object /clone(), java.lang. Object /equals( Object ), java.lang. Object

for retrieving a specific subset of objects from the database. How a WHERE clause works The following query ... over all Country objects in the database, using c as the range variable. Before passing these Country objects ... expression in the WHERE clause, also known as the predicate, determines which objects to accept

testing for equality. Since: Jakarta Persistence (JPA) 3. 2 Predicate equalTo ( Object value ) Create ... . Since: Jakarta Persistence (JPA) 3. 2 Predicate notEqualTo ( Object value ) Create a predicate to test ... . Since: Jakarta Persistence (JPA) 2 .0 The Logical Operators in JPQL and Criteria API article explains

. Since: Jakarta Persistence (JPA) 3. 2 Predicate equalTo ( Object value ) Create a predicate to test ... Persistence (JPA) 3. 2 Predicate notEqualTo ( Object value ) Create a predicate to test ... , TupleElement Type of criteria query parameter expressions. Since: Jakarta Persistence (JPA) 2 .0 Public

for equality. Since: Jakarta Persistence (JPA) 3. 2 Predicate equalTo ( Object value ) Create ... . Since: Jakarta Persistence (JPA) 3. 2 Predicate notEqualTo ( Object value ) Create a predicate to test ... . Since: Jakarta Persistence (JPA) 2 .0 The JPA Query Expressions (JPQL / Criteria) article explains

ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard ... , etc.), but it uses an object oriented model to store and manage data. You can easily store ordinary objects (and graphs of objects ) in an ObjectDB database directly. There's no need to define tables

upon the expression, returning a new expression object . Unlike Expression.cast , this method does not ... type ) Cast this expression to the specified type, returning a new expression object . Unlike ... Persistence (JPA) 3. 2 Predicate equalTo ( Expression value ) Create a predicate to test

Persistence (JPA) 3. 2 Predicate equalTo ( Object value ) Create a predicate to test whether the expression ... for inequality. Since: Jakarta Persistence (JPA) 3. 2 Predicate notEqualTo ( Object value ) Create a predicate ... type ) Perform a typecast upon the expression, returning a new expression object . Unlike Expression

upon the expression, returning a new expression object . Unlike Expression.cast , this method does not ... type ) Cast this expression to the specified type, returning a new expression object . Unlike ... Persistence (JPA) 3. 2 Predicate equalTo ( Expression value ) Create a predicate to test

. Since: Jakarta Persistence (JPA) 3. 2 Predicate notEqualTo ( Object value ) Create a predicate to test ... a typecast upon the expression, returning a new expression object . Unlike Expression.cast , this method does ... ( Class type ) Cast this expression to the specified type, returning a new expression object . Unlike

.addNamedEntityGraph(String, EntityGraph) EntityManager.find(EntityGraph, Object , FindOption...) Since: Jakarta Persistence (JPA) 2 .1 Public Instance Methods AttributeNode addAttributeNode ( String attributeName ... .. Since: Jakarta Persistence (JPA) 3. 2 AttributeNode addAttributeNode ( Attribute attribute ) Get an existing

a Country object from the database by its name: public Country getCountryByName( EntityManager em ... filters the query results to Country objects whose name field is equal to :name . The :name identifier ... , parameters and other query elements are represented by objects (of type ParameterExpression or

. When the project runs it logs creation of objects . Please note that there are 2 Project objects , and note ... ) We see that 2 Project objects were created, however in the database Explorer it lists size=0 for Project ... objectdb- 2 . 2 .5_08 NetbeansID6.9.1+Glassfish3.01 I suspect the following is an Explorer bug

Hello, I would have commented in this Thread but somehow I wasn't able to. Now again 2 years later ... ObjectDB version 2 .8.3 supports fields of types: LocalDate, LocalTime, LocalDateTime ... of these types should be declared using this type, e.g. as LocalDate, or List , but not as Object

. May not be used in combination with resultSetMapping . Since: Jakarta Persistence (JPA) 3. 2 ... with resultSetMapping . Since: Jakarta Persistence (JPA) 3. 2 EntityResult[] entities () Specifies ... . Since: Jakarta Persistence (JPA) 3. 2 QueryHint[] hints () Query properties and hints. (May include vendor

with full type safety. General query objects Execute SELECT, UPDATE and DELETE queries in JPA using ... EntityManager  methods such as createQuery to build  query objects using: Direct JPQL query strings ("SELECT ... FROM ... WHERE ..."); or Criteria query objects , as described below. For detailed usage

) is that in JPA data is represented by classes and objects rather than by tables and records as in JDBC. Using plain old Java objects (POJO) to represent persistent data can significantly simplify ... . These implementations are Object Relational Mapping (ORM) tools. The mapping bridges between the data

. The ability to store ordinary objects in the database directly can simplify the code significantly ... ObjectDB is especially designed to store and manage graphs of objects efficiently. That can accelerate the execution time of object oriented applications significantly. For instance, collection and map

, you can use it to store, retrieve, update, and delete objects . Storing new entities The following code fragment stores 1,000 Point objects in the database: em. getTransaction (). begin (); for (int i = 0 ... } } em. getTransaction (). commit (); In the preceding example, all the Point objects whose x coordinate

). Fixed a NullPointerException on concurrent access of first object of an entity class. Fixed bug ... a synchronization bug ( issue #1643 ). Fixed a regression of build 2 .6.1_03 in supporting interfaces in ... ). Fixed a bug in queries on map fields . Fixed a bug in updating an embedded object after GC

evolution (regression of 2 . 2 .0). Fixed a bug in queries on large objects . Fixed a bug in using persistent properties with incomplete enhancement.

mode. Fixed an ArrayIndexOutOfBoundsException in retrieval of large objects . Fixed Explorer display of user defined serializable objects . Fixed a bug in using NOT NULL in criteria queries . Fixed a bug ... object . Fixed merging entity objects of another EntityManager . Fixed a bug in concurrent

(removed temporary object clearing). Fixed the Explorer to show null values in primitive fields (unset values in new fields) correctly. Fixed a bug in clearing embedded objects during merge. Added automatic cascading through embedded objects . Fixed a bug in clearing persistent properties of primitive

#531 ). Fixed Explorer bugs: editing embedded objects and using connection urls. Fixed a NullPointerException on using a collection in a detached object ( issue #527 ). Fixed a bug of changing id type when an entity object is retrieved using  find  with a PK of a different type (e.g. Integer

Added support of report generation using BIRT . Fixed a bug in query optimization of DISTINCT. Fixed a bug in keeping removed entity object in the L2 cache. Fixed orphan removal of owner entity object in bidirectional relationship. Fixed an "Attempt to persist a reference to a non managed instance

file in place . Fixed a ClassCastException in query selection of embedded object and array fields ... an Explorer bug in adding objects to collections ( issue #2078 ). Fixed a Doctor error message

Added support of deleting classes in the Explorer. Improved memory cleaning when entity objects with embeddable elements are detached. Improved handling query results that include managed hollow objects . Removed false alarms by the Doctor. Fixed a deadlock ( issue #2512 ) on closing

an inherited index. Fixed an ArrayIndexOutOfBoundsException  bug in using nested embedded objects ... objects as parameters or in criteria queries ( issue #369 ). Fixed a bug in using primary key in results

.objectdb.com com.objectdb objectdb 2 .8.1 org.eclipse.persistence javax.persistence 2 .1.0 javax.transaction jta 1.1 javax.servlet servlet-api 2 .5 provided javax.servlet.jsp jsp-api 2 .1 provided org ... .springframework spring-orm 3.0.5.RELEASE aopalliance aopalliance 1.0 cglib cglib 2 . 2 org.aspectj aspectjweaver

;  com.objectdb    objectdb    2 .8.1        org.eclipse.persistence      javax.persistence      2 .1.0       ... ;      javax.servlet    servlet-api    2 .5    provided  

You can use ObjectDB with either the Java Persistence API (JPA) or the Java Data Objects (JDO) API ... , tutorials and sample code. When to prefer JDO JDO might be preferred when portability to other object databases is more important than general portability to both object and relational databases. JPA