About variable

api-jpa

JPA Metamodel API

Reference (JavaDoc) of the JPA Metamodel API, including all the type and attribute interfaces. The JPA Metamodel API, which is introduced in JPA 2.0, enables examining the classes, fields and properties of the persistent object model, similarly to the Java reflection API. The main interface of the JPA Metamodel API is: ja ...

 
forum_thread

Using aliases in WHERE clause

Hi, I'm trying to run query : SELECT DISTINCT ppi.inquiries AS i FROM ProjectPartInfo ppi WHERE i.status IS NOT NULL Unfortunately, 'i' alias doesn't work in WHERE clause : Query Execution Error ===================== Unexpected query token 'i' SELECT DISTINCT ppi.inquiries AS i FROM ProjectPartInfo ppi WHERE  ==> i <== .status IS NOT NULL   #1 2012-06-27 12:59 Hi, I'm trying to run query : SELECT DISTINCT ppi . inquiries AS i FROM Proj ...

 
api-jpa

javax.persistence.Basic

The simplest type of mapping to a database column.(Annotation of JPA)

 
api-jpa

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)

 
api-jpa

javax.persistence.criteria.Root

A root type in the from clause.(Interface of JPA)

 
api-jpa

javax.persistence.criteria.ListJoin

The ListJoin 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.List.(Interface of JPA)

 
forum_thread

Client server mode no longer works after JRE install

Hi I had client server mode working with no problems with my application. Then suddenly I was getting the following error "Error: missing 'server' at 'C:\Program Files\Java\jre7\bin\server\jvm.dll' on a client machine. It worked in embedded mode but not client server mode. ... application as opposed to the version of java on the PATH variable. I will not know in advance what is on the users machine. I ...

 
forum_thread

NegativeArraySizeException on commiting a transaction

Hi, we started to get a java.lang.NegativeArraySizeException from ObjectDB upon changing an object in the DB and committing the transaction. I tried to repair the DB file with Database Doctor, but the same error is happening also on the fixed DB file. Btw. during fixing the DB file an Internal error was thrown (details here: http://www.objectdb.com/database/issue/285 ), but the fixing went on and created a new file. #1 2016-11-12 08:08 Hi, we started to get a java.lang.NegativeArraySizeException from ObjectDB upon changing an object in the ...

 
forum_thread

Compile time enhancement using build.xml of a Netbeans web application

Does anybody have a complete, working example of the adaptations required in the build.xml of a Netbeans web application project to specify ObjectDB compile time enhancement, for both single file and whole project compilation ? The ObjectDB 2.3 manual gives the following tip: #1 2012-03-20 00:43 Does anybody have a complete, working example of the adaptations required in the build.xml of a Netbeans web appl ...

 
api-jdo

addSubquery(sub, variableDeclaration, candidateCollectionExpression)

Add a subquery to this query.(Method of javax.jdo.Query)