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35

javax.persistence.criteria.CriteriaBuilder.In

javax.persistence.criteria Interface CriteriaBuilder.In<T> Superinterfaces: Expression<Boolean ... applying the Predicate.not() method or the CriteriaBuilder.not() method. Whether the predicate has been created from another predicate by applying the Predicate.not() method or the CriteriaBuilder.not
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javax.persistence.criteria.CriteriaBuilder.Trimspec

javax.persistence.criteria Enum CriteriaBuilder.Trimspec java.lang.Object java.lang.Enum<javax.persistence.criteria.CriteriaBuilder.Trimspec> javax.persistence.criteria.CriteriaBuilder.Trimspec Implemented Interfaces: Serializable, Comparable<Trimspec> Used to specify how strings
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trim(ts, t, x)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> trim( Trimspec ts, Expression<Character> t, Expression<String> x ) Create expression to trim character from a string. Parameters: ts - trim specification t - expression for character to be trimmed x - expression for string to trim Returns: trim expression Since: JPA 2.0
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trim(t, x)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> trim( Expression<Character> t, Expression<String> x ) Create expression to trim character from both ends of a string. Parameters: t - expression for character to be trimmed x - expression for string to trim Returns: trim expression Since: JPA 2.0
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sum(x, y)

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

Method javax.persistence.criteria.CriteriaBuilder Expression<Long> count( Expression<?> x ) Create an aggregate expression applying the count operation. Parameters: x - expression representing input value to count operation Returns: count expression Since: JPA 2.0
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construct(resultClass, selections)

Method javax.persistence.criteria.CriteriaBuilder CompoundSelection<X> construct( Class<T> resultClass, Selection[]<X> selections ) Create a selection item corresponding to a constructor. This method is used to specify a constructor that will be applied to the results of the query execution
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createQuery(resultClass)

Method javax.persistence.criteria.CriteriaBuilder CriteriaQuery<T> createQuery( Class<T> resultClass ) Create a CriteriaQuery object with the specified result type. Parameters: resultClass - type of the query result Returns: criteria query object Since: JPA 2.0
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countDistinct(x)

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

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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