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3

javax.persistence.RollbackException

returns the same result as getMessage(). Returns: The localized description of this throwable ... the result of the toString() method for this object. Remaining lines represent data previously recorded by ... description of this throwable. The result is the concatenation of: the name of the class of this object
3

javax.persistence.PersistenceException

the same result as getMessage(). Returns: The localized description of this throwable. Since: Java ... output stream that is the value of the field System.err. The first line of output contains the result ... of this throwable. The result is the concatenation of: the name of the class of this object
3

javax.persistence.EntityResult

to an entity result. If this annotation is used, the SQL statement should select all of the columns ... . The results obtained when insufficient data is available are undefined. Example: Query q = em ... of the result. The class of the result. Since: JPA 1.0 FieldResult[] fields Maps the columns specified in
3

javax.persistence.EntityNotFoundException

this method, the default implementation returns the same result as getMessage(). Returns ... . The first line of output contains the result of the toString() method for this object. Remaining ... of this throwable. Returns a short description of this throwable. The result is the concatenation
3

javax.persistence.QueryTimeoutException

returns the same result as getMessage(). Returns: The localized description of this throwable ... System.err. The first line of output contains the result of the toString() method for this object. Remaining ... description of this throwable. Returns a short description of this throwable. The result is the concatenation
3

distinct(distinct)

whether duplicate query results will be eliminated. A true value will cause duplicates to be eliminated ... results must be retained. This method only overrides the return type of the corresponding AbstractQuery method. Parameters: distinct - boolean value specifying whether duplicate results must be eliminated
3

getSingleResult()

Method javax.persistence.Query Object getSingleResult() Execute a SELECT query that returns a single untyped result. Returns: the result Throws: NoResultException - if there is no result NonUniqueResultException - if more than one result IllegalStateException - if called for a Java Persistence
3

getSingleResult()

Method javax.persistence.TypedQuery X getSingleResult() Execute a SELECT query that returns a single result. Returns: the result Throws: NoResultException - if there is no result NonUniqueResultException - if more than one result IllegalStateException - if called for a Java Persistence query
0

javax.jdo.JDOException

implementation returns the same result as getMessage(). Returns: The localized description ... the result of the toString() method for this object. Remaining lines represent data previously recorded by ... a short description of this throwable. The result is the concatenation of: the name of the class
0

javax.jdo.JDOReadOnlyException

that do not override this method, the default implementation returns the same result as getMessage ... stream that is the value of the field System.err. The first line of output contains the result ... of this throwable. Returns a short description of this throwable. The result is the concatenation of: the name

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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