About path
Paths and Types in JPQL and Criteria API
Explains how to use object expressions (path navigation, type) in JPA/JPQL.... of these classes are assigned as arguments. Path expressions that navigate from one object to another. ... <> operators. But more often they are used in JPQL path expressions that navigate to values of simple types (number, boolean, ...
javax.persistence.criteria.Path
Represents a simple or compound attribute path from a bound type or collection, and is a "primitive" expression.(Interface of JPA)
get(attributeName)
Create a path corresponding to the referenced attribute.(Method of javax.persistence.criteria.Path)
SELECT clause (JPQL / Criteria API)
Explains how to use the SELECT clause and projections in a JPA/JPQL query.... the following topics: Projection of Path Expressions Multiple SELECT Expressions Result ... in Criteria Queries Projection of Path Expressions JPQL queries can also return results which are not ...
Criteria Query Expressions
Reference (JavaDoc) of JPA query expression interfaces, including Expression, Predicate, Path, ParameterExpression and Subquery.... javax.persistence.criteria.Path javax.persistence.criteria.ParameterExpression ...
Server Configuration
Explains how to set a JPA/JDO database server using ObjectDB, the fast Java object database for JPA/JDO.... = "6136" max = "100" /> <data path = "$objectdb/db-files" /> <!-- <replication ... The <data> element <data path = "$objectdb/db-files" /> The <data> element ...
Server User List
Explains how to define and set users, directories and permissions in the ObjectDB fast Java database server for JPA/JDO.... admin = "true" > <dir path = "/" permissions = "access,modify,create,delete" /> ... password = "$$$###" > <dir path = "/$user/" permissions = "access|modify|create|delete" > ...
migration path from JPA / Hibernate
Hi. Is there a conversion tool or documentation that is of help when migrating an existing JPA solution to ObjectDB? Any recommendations or known pitfalls when it comes to ... #1 2011-03-30 13:10 Hi. Is there a conversion tool or documentation that is of help when migrating an existing JP ...
Logical Operators in JPQL and Criteria API
Explains how to use AND, OR and NOT in JPQL queries.... and descendant interfaces. For example, a boolean path (a field or a property) is represented by Path javax.persistence.criteria.Path JPA interface Represents ...
javax.persistence.criteria.MapJoin
The MapJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.Map.(Interface of JPA)
