ObjectDB Database Search

Hi we have found that applying indexes on an existing table erases the data . Are we doing ... carefully if data is missing (very unlikely) or queries fail to return results (possible if a new ... change )? What data is missing? Complete objects? specific fields in objects? fields related

I'm running into a problem where data that is retrieved via a Query comes out null, but when I ... PositionReportBeans in reports. I can verify with the ObjectDB explorer that all of the data ... , true); I get an Extent back with all of the data as I would expect. However, if I execute a Query

of the data tree +1 I'll explain it here: A movie is an entity (like the book) A movie has a list of roles ... @Entity and @Embeddable) and a roleName (String) There are other data like list of directors, list ... regards, Thomas APPENDIX : I'm using lombok ... @Entity @ Data @NoArgsConstructor

ClassCastExceptions on my "entity" classes when I try to read data from the DB. In a very old (2011?) forum ... . The entity obviously has to get loaded by all bundles in order to manipulate the data . This is the code ... would mean doubling the classes and having to move data around between the Entities and DTOs. Many

Hi, could someone recommend a good tool to use for data migration from SQLServer to ObjectDB. irene05 irene lan Unfortunately there is currently no such automatic tool. Using a JPA ORM library (e.g. Hibernate or EclipseLink) you can write your own conversion program that retrieves data from

I am new in ObjectDB and i need to understand How is data protection in ObjectDB Embedded Mode without using  username or password thanks choymns choymns The way to keep an ObjectDB database encrypted is simply to store it on an encrypted drive. Modern operating systems support encryption

wrong data in the fields annotated with Temporal.DATE. The attached DB shows the problem

Hello, How can I save data dynamically such as "List" in Java - ArrayList, LinkedList, etc. thanks Seena Abdollahi Seena Abdollahi Software Engineer sabdollahi Seena Abdollahi Lists are persisted automatically as fields of entity classes. See chapter 2 and 3 of the manual for more details. support Support

Significant I/O costs during batch update or insert data.

em.flush(); em.clear(); loosing data and not persisting managed objects

Query in Spring Data error Like for Integer records

using objectdb.jar in writing data to mariadb or mysql db

How to delete a specific column data form a entity.

big (import lot of data from other source). I didn't catch the size of record log file. For now I ... ; lwalkowski Lukasz Walkowski Some new data . After 5 hours of running database memory usage is quite high ... and works fine. When you want to unfold object and check all the data , there is an exception: Exception in

; Here is my scenario (Groovy 1.8 and Eclipse 3.6) used. I have a com.epimss.lab. data .toxicology.TherapeauticDrugScreenRqst. Nested in this class are the following two classes: com.epimss.lab. data .misc.OtherRqst and com.epimss.lab. data .misc.RequestDateAndNumber. In my Eclipse wizard performFinish() method I persist

would be for API and BI, one would need to read data from the xyz.odb and the other one would be for exposing the DB data via web services. Do all these apps need to have the same DB schema. The BIRT ... would like to use our APP but he asks how the data from the DB can be used to fill its DWH

us resolve this and ensure your data remains healthy, could you please perform the following steps? 1. Database Integrity Check Please run the ObjectDB Doctor tool on the relevant database file. We want to verify that the underlying database integrity has not been compromised by these exceptions. 2

was attempted. Java Data Objects (JDO) was inspired and supported primarily by the object-oriented ... the status of being an extension of the JDK, but never became an integrated part of the enterprise Java ... is more popular than JDO and it is has some important advantages such as better integration in Java EE

of AI and spatial data analysis, exploring how ObjectDB might integrate geospatial queries and data ... Do you have any plan to integrate GIS to objectdb like PostgreSQL's PostGIS. Its not hard to implement with AI in these days... Like searching Point , Polygon , geojson etc...  kadirbasol Kadir

outage). We are using following configuration: Is there any possibility of data loss when power ... affected? Thanks Marta Maruta M Sedlakova The main purpose of the recovery is to preserve the integrity ... the ObjectDB Doctor. Regarding data lose, recovery returns your database to the most recent stable state

data is divided between nodes. All the servers handle WRITE requests and READ requests of data that they manage. This is usually slower but it provides better scalability when the data is too large ... of the master node, right? It is better to handle scalable data for ObjectDB clustering. BTW

which processes the stock data of an exchange market. The program creates one processor bean ... of stock and updates, I need to use many threads to process this data which may be more that 10 threads ... updates to the processor bean (such as price data ). The rest of updates are written in ObjectDB by

hi, i'm still testing objectdb together with spring- data -jpa. i made a test which should simulate ... file: 5/4/11 10:46:52 AM IDT: Missing artifact org.springframework.data:spring- data -jpa:jar:1.0.0.M2 ... have checked the zip content again and the test resource file spring- data -jpa-lazy-loading/src/test

. in your persistance.xml use placeholders for the data you want. In this example I have the place ... with ObjectDB but also using PostgreSQL warehousing bulk data that is perceived to be seldomly used ... environment in Glassfish 3.1 - the environment already is set up with the Postgres jta- data -source

Spring- Data i got a NullPointerException in com.objectdb.jpa.criteria.PathImpl

strategies for fetching data from the database. The EAGER strategy is a requirement on the persistence provider runtime that data must be eagerly fetched. The LAZY strategy is a hint to the persistence provider runtime that data should be fetched lazily when it is first accessed. The implementation

attempting to update the entity data . A lock with LockModeType.PESSIMISTIC_READ can be used to query data using repeatable-read semantics without the need to reread the data at the end of the transaction to obtain a lock, and without blocking other transactions reading the data . A lock

, Comparable , Serializable Specifies how the EntityManager interacts with the second-level cache when data ... that data may be read from the second-level cache. BYPASS indicates that data may not be read from ... how to use CacheRetrieveMode . Enum Constants BYPASS Bypass the cache: get data directly from

the entity attribute into the data representation to be stored in the database. Parameters: attribute - the entity attribute value to be converted Returns: the converted data to be stored in the database column. Since: Jakarta Persistence (JPA) 1.0 X convertToEntityAttribute ( Y dbData ) Converts the data

, Object primaryKey ) Whether the cache contains data for the given entity. Parameters: cls - entity ... . Since: Jakarta Persistence (JPA) 1.0 void evict ( Class cls , Object primaryKey ) Remove the data ... Since: Jakarta Persistence (JPA) 1.0 void evict ( Class cls ) Remove the data for entities of the specified class

Jakarta Persistence (JPA) Interface jakarta.persistence.SchemaManager Allows programmatic schema creation , schema validation , data cleanup , and schema cleanup for entities belonging to a certain ... data from any configured SQL scripts for data loading. If a SQL operation fails, the behavior

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.CacheStoreMode USE Insert entity data into cache when read from database and insert/update entity data when written to the database: this is the default behavior. Does not force refresh of already cached items when reading from database. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.SchemaManager void truncate() Truncate the database tables mapped by entities belonging to the persistence unit, and then re-import initial data from any configured SQL scripts for data loading. If a SQL operation fails, the behavior

Jakarta Persistence (JPA) Method in jakarta.persistence.AttributeConverter X convertToEntityAttribute (    Y dbData ) Converts the data stored in the database column into the value ... providers are not expected to do such type conversion. Parameters: dbData - the data from

Jakarta Persistence (JPA) Method in jakarta.persistence.AttributeConverter Y convertToDatabaseColumn (    X attribute ) Converts the value stored in the entity attribute into the data ... to be converted Returns: the converted data to be stored in the database column. Since: Jakarta Persistence (JPA) 1.0

columns to related entities. The results obtained when insufficient data is available are undefined

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.SecondaryTable Implemented Interfaces: Annotation Target: Type Specifies a secondary table for the annotated entity class. Specifying one or more secondary tables indicates that the data for the entity class is stored across multiple

and entity-related state and data are cached. Since: Jakarta Persistence (JPA) 1.0 DISABLE

transactionType () The transaction type . If PersistenceUnitTransactionType.JTA , a JTA data source

which this data is written to a temporary file. Even without speed optimizations, but with priority ... situation. For this, we need more information: What is the total size of data in the transaction ... ; What is the total size of data in the transaction? The total size is principle unlimited.    

Jakarta Persistence (JPA) Method in jakarta.persistence.Cache void evict (    Class cls ,    Object primaryKey ) Remove the data for the given entity from the cache. Parameters: cls - entity class primaryKey - primary key Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Cache void evict (    Class cls ) Remove the data for entities of the specified class (and its subclasses) from the cache. Parameters: cls - entity class Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.PersistenceConfiguration PersistenceUnitTransactionType transactionType() The transaction type . If PersistenceUnitTransactionType.JTA , a JTA data source must be provided via PersistenceConfiguration.jtaDataSource , or by the container

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.CacheRetrieveMode USE Read entity data from the cache: this is the default behavior. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.CacheRetrieveMode BYPASS Bypass the cache: get data directly from the database. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.CacheStoreMode REFRESH Insert/update entity data held in the cache when read from the database and when written to the database. Force refresh of cache for items read from database. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.SharedCacheMode ALL All entities and entity-related state and data are cached. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.FetchType LAZY Data may be lazily fetched. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Enum Constant in jakarta.persistence.FetchType EAGER Data must be eagerly fetched. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence.Cache boolean contains (    Class cls ,    Object primaryKey ) Whether the cache contains data for the given entity. Parameters: cls - entity class primaryKey - primary key Returns: boolean indicating whether the entity is in the cache. Since: Jakarta Persistence (JPA) 1.0