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correlate(parentSet)

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

Method javax.persistence.criteria.SetJoin SetAttribute<?,E> getModel() Return the metamodel representation for the set attribute. Returns: metamodel type representing the Set that is the target of the join Since: JPA 2.0
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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
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groupBy(grouping)

Method javax.persistence.criteria.Subquery Subquery<T> groupBy( Expression... grouping ) Specify the expressions that are used to form groups over the subquery results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added
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substring(x, from, len)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, int from, int len ) Create an expression for substring extraction. Extracts a substring of given length starting at the specified position. First position is 1. Parameters: x - string expression
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groupBy(grouping)

Method javax.persistence.criteria.Subquery Subquery<T> groupBy( List<Expression<?>> grouping ) Specify the expressions that are used to form groups over the subquery results. Replaces the previous specified grouping expressions, if any. If no grouping expressions are specified, any previously added
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substring(x, from)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, int from ) Create an expression for substring extraction. Extracts a substring starting at the specified position through to end of the string. First position is 1. Parameters: x - string
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sum(x, y)

Method javax.persistence.criteria.CriteriaBuilder Expression<N> sum( Expression<?> x, N y ) Create an expression that returns the sum of its arguments. Parameters: x - expression y - value Returns: sum Since: JPA 2.0
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sum(x)

Method javax.persistence.criteria.CriteriaBuilder Expression<N> sum( Expression<N> x ) Create an aggregate expression applying the sum operation. Parameters: x - expression representing input value to sum operation Returns: sum expression Since: JPA 2.0

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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