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5

correlate(parentCollection)

Method javax.persistence.criteria.Subquery CollectionJoin<X,Y> correlate( CollectionJoin<X,Y> parentCollection ) Create a subquery collection join object correlated to a collection join object of the enclosing query. Parameters: parentCollection - join object of the containing query Returns: subquery join Since: JPA 2.0
5

correlate(parentList)

Method javax.persistence.criteria.Subquery ListJoin<X,Y> correlate( ListJoin<X,Y> parentList ) Create a subquery list join object correlated to a list join object of the enclosing query. Parameters: parentList - join object of the containing query Returns: subquery join Since: JPA 2.0
5

fetch(attribute)

Method javax.persistence.criteria.FetchParent Fetch<X,Y> fetch( SingularAttribute<?,Y> attribute ) Create a fetch join to the specified single-valued attribute using an inner join. Parameters: attribute - target of the join Returns: the resulting fetch join Since: JPA 2.0
5

fetch(attribute)

Method javax.persistence.criteria.FetchParent Fetch<X,Y> fetch( PluralAttribute<?,?,Y> attribute ) Create a fetch join to the specified collection-valued attribute using an inner join. Parameters: attribute - target of the join Returns: the resulting join Since: JPA 2.0
5

getCorrelatedJoins()

Method javax.persistence.criteria.Subquery Set<Join<?,?>> getCorrelatedJoins() Return the correlated joins of the subquery. Returns empty set if the subquery has no correlated joins. Modifications to the set do not affect the query. Returns: the correlated joins of the subquery Since: JPA 2.0
5

fetch(attributeName)

Method javax.persistence.criteria.FetchParent Fetch<X,Y> fetch( String attributeName ) 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 exist Since: JPA 2.0
5

getJoins()

Method javax.persistence.criteria.From Set<Join<X,?>> getJoins() Return the joins that have been made from this bound type. Returns empty set if no joins have been made from this bound type. Modifications to the set do not affect the query. Returns: joins made from this type Since: JPA 2.0
5

javax.persistence.SecondaryTable

. If no primary key join columns are specified, the join columns are assumed to reference the primary key columns ... that are used to join with the primary table. (Optional) The columns that are used to join
5

javax.persistence.MapKeyColumn

for a OneToMany entity relationship using a join table, the map key column is in a join table. If the map ... is for a OneToMany or ManyToMany entity relationship using a join table, the name of the join table
0

javax.jdo.annotations.Key

columns associated with this join. Generate or assume a foreign key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume ... serialized (into a single column of a join table). Whether the key is to be stored serialized (into

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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