About collection

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JPA Doc
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javax.persistence.metamodel.MappedSuperclassType

Since: JPA 2.0 CollectionAttribute getCollection(String name) Return the Collection-valued attribute of the managed type that corresponds to the specified name. Return the Collection-valued attribute ... > getCollection(String name, Class elementType) Return the Collection-valued attribute
JPA Doc
8

javax.persistence.metamodel.CollectionAttribute

,Collection>, Bindable, PluralAttributeCollection,E> Instances of the type CollectionAttribute represent persistent java.util.Collection-valued attributes. Since: JPA 2.0 Classcollection type. Return
JPA Doc
8

javax.persistence.criteria.Subquery

collection join object correlated to a collection join object of the enclosing query. Create a subquery collection join object correlated to a collection join object of the enclosing query ... : predicate testing for membership Since: JPA 2.0 Predicate in(Collection values) Create a predicate
Manual
7

Numbers in JPQL and Criteria Queries

Numeric values may appear in JPQL queries in many forms: as numeric literals - e.g. 123, -12.5. as parameters - when numeric values are assigned as arguments. as path expressions - in navigation to persistent numeric fields. as aggregate expressions - e.g. COUNT. as collection functions
Manual
7

Paths and Types in JPQL and Criteria API

class. The dot (.) operator cannot be applied to collections, maps and values of simple types
Result
7

Eclipse Public License - v 1.0

every other Contributor ("Indemnified Contributor") against any losses, damages and costs (collectively
Manual
7

JPA Criteria API Queries

, substring, ...). Collection expressions (isEmpty, isNotEmpty, isMember, isNotMember, size). Comparison
Manual
7

ORDER BY clause (JPQL / Criteria API)

clause produces objects for examination and the WHERE clause selects which objects to collect as results
Manual
7

JPA / JDO Class Enhancer

of entity objects. With no enhancement, only persistent collection and map fields can be loaded lazily (by
Manual
7

JPA Primary Key

continuously and can be collected by accessing a minimum number of database pages. On the other end