About empty

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JPA Doc
5

javax.persistence.criteria.Subquery

joins of the subquery. Returns empty set if the subquery has no correlated joins. Modifications ... of the grouping expressions. Returns empty list if no grouping expressions have been specified. Modifications ... a result of correlation. Returns empty set if no roots have been defined. Modifications to the set do not
JDO Doc
5

javax.jdo.Query

of the expression in the outer query. If the trimmed expression is the empty String ... . If the trimmed value is the empty String, or the parameter is null, then JDOUserException ... the candidates over which the subquery is evaluated. If the trimmed value is the empty String, or
JDO Doc
4

addSubquery(sub, variableDeclaration, candidateCollectionExpression, parameters)

the variable named in the variableDeclaration unbound. If the trimmed value is the empty String, or ... . If the trimmed value is the empty String, or the parameter is null, then the candidate collection
JPA Doc
4

isEmpty(collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isEmpty(   Expression collection ) Create a predicate that tests whether a collection is empty. Parameters: collection - expression Returns: is-empty predicate Since: JPA 2.0
JPA Doc
4

isNotEmpty(collection)

Method javax.persistence.criteria.CriteriaBuilder Predicate isNotEmpty(   Expression collection ) Create a predicate that tests whether a collection is not empty. Parameters: collection - expression Returns: is-not-empty predicate Since: JPA 2.0
JDO Doc
4

javax.jdo.Constants

PersistenceManagerFactory, which is the empty string. The name of the anonymous PersistenceManagerFactory, which is the empty string. Since: JDO 2.1 String ELEMENT_INSTANCE_LIFECYCLE_LISTENER The name of the instance
JPA Doc
4

javax.persistence.criteria.AbstractQuery

expressions. Return a list of the grouping expressions. Returns empty list if no grouping expressions ... of correlation. Returns empty set if no roots have been defined. Modifications to the set do not affect
JPA Doc
4

javax.persistence.criteria.CollectionJoin

. Returns empty set if no fetch joins have been made from this type. Modifications to the set do not ... empty set if no joins have been made from this bound type. Modifications to the set do not affect
JPA Doc
4

javax.persistence.criteria.From

that have been made from this type. Returns empty set if no fetch joins have been made from this type ... this bound type. Returns empty set if no joins have been made from this bound type. Modifications
JPA Doc
4

javax.persistence.criteria.Join

that have been made from this type. Return the fetch joins that have been made from this type. Returns empty set ... . Return the joins that have been made from this bound type. Returns empty set if no joins