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3

javax.persistence.EntityExistsException

is invoked, or the EntityExistsException or another PersistenceException may be thrown at flush or commit ... .printStackTrace() Throwable getCause() Returns the cause of this throwable or null if the cause is nonexistent or unknown. Returns the cause of this throwable or null if the cause is nonexistent or
3

javax.persistence.metamodel.EntityType

is returned. If the bindable type is SINGULAR_ATTRIBUTE or ENTITY_TYPE, the Java type of the represented entity or attribute is returned. Returns: Java type Since: JPA 2.0 BindableType getBindableType ... that corresponds to the id attribute declared by the entity or mapped superclass. Return the attribute
3

java.lang.Exception

() method). (A null value is permitted, and indicates that the cause is nonexistent or unknown ... () method). (A null value is permitted, and indicates that the cause is nonexistent or unknown.) Since: Java ... of this throwable or null if the cause is nonexistent or unknown. Returns the cause of this throwable or null
3

javax.persistence.AttributeOverride

get methods) Used to override the mapping of a Basic (whether explicit or default) property or field or Id property or field. May be applied to an entity that extends a mapped superclass or to an embedded field or property to override a basic mapping or id mapping defined by the mapped superclass or
3

javax.persistence.metamodel.IdentifiableType

entity or mapped superclass types. Since: JPA 2.0 Attribute<?,?> getAttribute(String name) Return ... to the id attribute declared by the entity or mapped superclass. Return the attribute that corresponds to the id attribute declared by the entity or mapped superclass. Parameters: type - the type
3

javax.persistence.NoResultException

: Serializable Thrown by the persistence provider when Query.getSingleResult() or TypedQuery.getSingleResult ... .Throwable.printStackTrace() Throwable getCause() Returns the cause of this throwable or null if the cause is nonexistent or unknown. Returns the cause of this throwable or null if the cause is nonexistent
3

javax.persistence.metamodel.MappedSuperclassType

by the entity or mapped superclass. Return the attribute that corresponds to the id attribute declared by the entity or mapped superclass. Parameters: type - the type of the represented declared id ... of the given type is not declared in the identifiable type or if the identifiable type has an id class
0

javax.jdo.annotations.PersistenceCapable

for whether the class or interface is persistence-capable. Since: JDO 2.1 String cacheable Whether this class ... " Since: JDO 2.2 String catalog Catalog to use for persisting this class or interface. Catalog to use for persisting this class or interface. Default value: "" Since: JDO 2.1 String detachable
0

javax.jdo.JDOUserCallbackException

This class represents exceptions caused by exceptions thrown during execution of callbacks or listeners ... . Some virtual machines may, under some circumstances, omit one or more stack frames from the stack trace ... fillInStackTrace() when a throwable is constructed or deserialized when a throwable is read from a serialization
0

javax.jdo.spi.PersistenceCapable

is persistent, transactional, dirty, new, deleted, or detached; and to get its associated ... file, or might be generated from a tool directly. The exact technique for generating the extra ... has been enhanced to call the jdoStateManager on read if the jdoFlags setting is not READ_OK or READ_WRITE_OK

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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