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42

locate(x, pattern, from)

Method javax.persistence.criteria.CriteriaBuilder Expression<Integer> locate( Expression<String> x, String pattern, int from ) Create expression to locate the position of one string ... to be searched pattern - string to be located from - position at which to start search Returns: expression corresponding to position Since: JPA 2.0
42

locate(x, pattern, from)

Method javax.persistence.criteria.CriteriaBuilder Expression<Integer> locate( Expression<String> x, Expression<String> pattern, Expression<Integer> from ) Create expression to locate the position ... - expression for string to be searched pattern - expression for string to be located from - expression
42

substring(x, from, len)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, Expression<Integer> from, Expression<Integer> len ) Create an expression for substring extraction ... . Parameters: x - string expression from - start position expression len - length expression Returns
42

substring(x, from)

Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, Expression<Integer> from ) Create an expression for substring extraction. Extracts a substring ... - string expression from - start position expression Returns: expression corresponding to substring extraction Since: JPA 2.0
41

from(entity)

Method javax.persistence.criteria.AbstractQuery Root<X> from( EntityType<X> entity ) Create and add a query root corresponding to the given entity, forming a cartesian product with any existing roots. Parameters: entity - metamodel entity representing the entity of type X Returns: query root corresponding to the given entity Since: JPA 2.0
41

from(entityClass)

Method javax.persistence.criteria.AbstractQuery Root<X> from( Class<X> entityClass ) Create and add a query root corresponding to the given entity, forming a cartesian product with any existing roots. Parameters: entityClass - the entity class Returns: query root corresponding to the given entity Since: JPA 2.0
41

join(collection, jt)

Method javax.persistence.criteria.From CollectionJoin<X,Y> join( CollectionAttribute<?,Y> collection, JoinType jt ) Create a join to the specified Collection-valued attribute using the given join type. Parameters: collection - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
41

join(attribute, jt)

Method javax.persistence.criteria.From Join<X,Y> join( SingularAttribute<?,Y> attribute, JoinType jt ) Create a join to the specified single-valued attribute using the given join type. Parameters: attribute - target of the join jt - join type Returns: the resulting join Since: JPA 2.0
41

join(map)

Method javax.persistence.criteria.From MapJoin<X,K,V> join( MapAttribute<?,K,V> map ) Create an inner join to the specified Map-valued attribute. Parameters: map - target of the join Returns: the resulting join Since: JPA 2.0
41

join(set)

Method javax.persistence.criteria.From SetJoin<X,Y> join( SetAttribute<?,Y> set ) Create an inner join to the specified Set-valued attribute. Parameters: set - target of the join Returns: the resulting join 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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