Fast Object Database for Java - with JPA/JDO support

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18

CharIdentity(pcClass, key)

Constructor javax.jdo.identity.CharIdentity CharIdentity( Class pcClass, Character key ) Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0
18

CharIdentity(pcClass, key)

Constructor javax.jdo.identity.CharIdentity CharIdentity( Class pcClass, char key ) Constructor with class and key. Parameters: pcClass - the target class key - the key Since: JDO 1.0
18

removeUserObject(key)

Method javax.jdo.PersistenceManager Object removeUserObject( Object key ) Remove the specified key and its value from the map of user objects. Parameters: key - the key of the object to be removed Since: JDO 2.0
18

javax.jdo.JDOEntityManager

) Find by primary key. Find by primary key. Search for an entity of the specified class and primary key ... there. Parameters: entityClass - entity class primaryKey - primary key Returns: the found entity instance or null ... an entity type or the second argument is is not a valid type for that entity’s primary key or
18

Key.columns

Annotation Element javax.jdo.annotations.Key Column[] columns The column(s) for the key Returns: the column(s) for the key Default value: {} Since: JDO 2.1
18

Key.column

Annotation Element javax.jdo.annotations.Key String column Name of the column to store the key in. Returns: name of the column to store the key in Default value: "" Since: JDO 2.1
18

key()

Method javax.persistence.criteria.MapJoin Path key() Create a path expression that corresponds to the map key. Returns: path corresponding to map key Since: JPA 2.0
18

putUserObject(key, val)

Method javax.jdo.PersistenceManager Object putUserObject( Object key, Object val ) Put the specified key-value pair into the map of user objects. Parameters: key - val - Since: JDO 2.0
18

Key.uniqueKey

Annotation Element javax.jdo.annotations.Key String uniqueKey The name of the unique key constraint to generate. Returns: the name of the unique key constraint Default value: "" Since: JDO 2.1
18

Key.types

Annotation Element javax.jdo.annotations.Key Class[] types Types of the keys. This can be determined if using JDK1.5 generics but is required otherwise. Multiple types can be specified if the implementation supports multiple types. Returns: the types of keys Default value: {} Since: JDO 2.1

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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