Fast Object Database for Java - with JPA/JDO support

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Method javax.persistence.Query Parameter getParameter( String name ) Get the parameter object ... for native queries. Parameters: name - parameter name Returns: parameter object Throws ... - if invoked on a native query when the implementation does not support this use Since: JPA 2.0


Method javax.jdo.Query Object execute( Object p1 ) Execute the query and return the filtered Collection. Parameters: p1 - the value of the first parameter declared. Returns: the filtered Collection. Since: JDO 1.0 See Also: executeWithArray(Object[] parameters)


Method javax.jdo.Query Object execute() Execute the query and return the filtered Collection. Returns: the filtered Collection. Since: JDO 1.0 See Also: executeWithArray(Object[] parameters)


Method javax.persistence.Query T getParameterValue( Parameter param ) Return the value bound to the parameter. Parameters: param - parameter object Returns: parameter value Throws: IllegalArgumentException - if the parameter is not a parameter of the query IllegalStateException - if the parameter has not been been bound Since: JPA 2.0


Method javax.jdo.Query long deletePersistentAll( Map parameters ) Deletes all the instances of the candidate class that pass the filter. Parameters: parameters - for the query Returns: the number of instances of the candidate class that were deleted Since: JDO 2.0 See Also: deletePersistentAll()


Method javax.jdo.Query void declareVariables( String variables ) Declare the unbound variables to be used in the query. Variables might be used in the filter, and these variables must be declared with their type. The unbound variable declaration is a String containing one or more unbound variable


Annotation Element javax.persistence.NamedNativeQuery String query The SQL query string. Since: JPA 1.0


Static Field javax.jdo.Constants String OPTION_QUERY_SQL "javax.jdo.query.SQL" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()


Annotation Element javax.jdo.annotations.Query String fetchPlan The name of the fetch plan used by this query Returns: the fetch plan Default value: "" Since: JDO 2.1


Method javax.jdo.Query void setCandidates( Collection pcs ) Set the candidate Collection to query. Parameters: pcs - the candidate Collection. Since: JDO 1.0

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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