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31

javax.persistence.metamodel.ManagedType

represent entity, mapped superclass, and embeddable types. Since: JPA 2.0 Attribute<?,?> getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name. Return the attribute of the managed type that corresponds to the specified name. Parameters: name - the name
31

javax.persistence.metamodel.EmbeddableType

> Instances of the type EmbeddableType represent embeddable types. Since: JPA 2.0 Attribute<?,?> getAttribute(String name) Return the attribute of the managed type that corresponds to the specified name. Return the attribute of the managed type that corresponds to the specified name. Parameters: name
29

Entity Management Settings

specifies enhancement related settings: The agent attribute (whose value is "true" or "false ... , supported only on selected JVMs. The reflection attribute specifies how non enhanced classes are handled ... values of the reflection attribute represent different policies: "error" - all persistable classes
29

General Settings and Logging

file settings: The path attribute specifies a directory in which the temporary files are generated ... for data that exceeds a limit size that is specified by the threshold attribute. The mb and kb suffixes ... ="0" /> The <network> element has one attribute, inactivity-timeout, which specifies when network
28

javax.persistence.criteria.SetJoin

to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns: the resulting fetch join Throws: IllegalArgumentException - if attribute of the given name does not
28

javax.persistence.criteria.ListJoin

to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns: the resulting fetch join Throws: IllegalArgumentException - if attribute of the given name does
28

javax.persistence.criteria.CollectionJoin

attributeName) Create a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns: the resulting fetch join Throws: IllegalArgumentException - if attribute
28

javax.persistence.criteria.MapJoin

a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns: the resulting fetch join Throws: IllegalArgumentException - if attribute of the given
28

javax.persistence.criteria.PluralJoin

attributeName) Create a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute ... - if attribute of the given name does not exist Since: JPA 2.0 Fetch<X,Y> fetch(String attributeName
28

javax.persistence.criteria.Join

to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns: the resulting fetch join Throws: IllegalArgumentException - if attribute of the given name does not

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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