Internal Website Search
1-10 of 200 resultsRefreshJPA Persistence Unit A JPA Persistence Unit is a logical grouping of user defined persistable classes ... > persistence.xml Persistence units are defined in a persistence.xmlpersistence.xml file can include definitions for one or more persistence units. The portable way | |
Step 2: Entity Class and Persistence Unit persistence unit (that will be configured later). If the Finish button is disabled ... > A default JPA persistence unit (with default settings) was generated in a persistence.xmlpersistence/persistence_2_0.xsd"> <persistence-unit | |
Step 2: Entity Class and Persistence Unit persistence unit (that will be configured later). If the Finish button is disabled ... () { return name + " (signed on " + signingDate + ")"; } } A default JPA persistence unit ... /xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit name="GuestbookPU" transaction | |
Step 2: Entity Class and Persistence Unit/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"> <persistence-unit ... ; </persistence-unit> </persistence> Now ObjectDB should be used as ... .sql.Date; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax | |
Step 2: Entity Class and Persistence Unit.xsd"> <persistence-unit name="GuestbookPU" transaction-type="RESOURCE_LOCAL"> < ... " value="admin"/> </properties> </persistence-unit> </persistence> ... ; import java.io.Serializable; import java.sql.Date; import javax.persistence.Entity; import javax | |
Database Connection using JPA-unit#persistence.xml">persistence unit properties as a second parameter: persistence-unit">persistence unit. As an extension, ObjectDB enables specifying a database URL (or path) directly, bypassing the need for a persistence unit. Any string that starts with | |
Constants.PMF_ATTRIBUTE_PERSISTENCE_UNIT_NAME">javax.jdo.ConstantsString PMF_ATTRIBUTE_PERSISTENCE_UNIT_NAME The name of the persistence manager factory element's "persistence-unit-name" attribute. | |
Constants.PROPERTY_PERSISTENCE_UNIT_NAME Static Field javax.jdo.ConstantsString PROPERTY_PERSISTENCE_UNIT_NAME "javax.jdo | |
[ODB1] Chapter 3 - Persistent Classes Persistent Classes are user defined classes whose instances can be stored in a database ... >persistent objects or persistent instances. Objects that do not represent anything in the database (including instances of persistent classes that live only in memory) are called transient | |
[ODB1] Chapter 6 - Persistent Objects Persistent In JDO applications, every object in memory is either a persistent object, i.e ... > operator, it always starts as a transient object, regardless of its type. Instances of persistent classes can become persistent later, as demonstrated by the following code: pm |