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Extending HCL OneDB™Beyond standard relational database objects, HCL OneDB™ can be extended to handle specialized data types, access methods, routines, and other objects. HCL OneDB™ includes many built-in extensions that are fully integrated in the database server. HCL OneDB™ also provides DataBlade® modules, which are packages of extended database objects for a particular purpose and that are installed separately from the database server. Alternatively, you can create your own user-defined objects for HCL OneDB™.
Creating extensionsYou can create user-defined data types, routines, access methods, and other database objects to suit your needs. You can use application programming interfaces to write user-defined routines and applications that access data in HCL OneDB™ databases.
J/Foundation Developer's GuideThe HCL® J/Foundation Developer's Guide describes how to write user-defined routines (UDRs) in the Java™ programming language for HCL OneDB™.
Prepare for Java™ supportYou must install and configure software before you can write user-defined routines (UDRs) in Java™ code.

Prepare for Java support

You must install and configure software before you can write user-defined routines (UDRs) in Java™ code.

Before you create and use UDRs written in Java code, ensure that the required software is installed:

HCL OneDB™ 1.0.0.0 with J/Foundation.
J/Foundation includes the HCL OneDB JDBC Driver that contains Java classes and shared-object files that you can use to write UDRs in Java code. The installation procedure installs these binary files in $ONEDB_HOME/extend/krakatoa.
A supported Java software development kit or an earlier version according to Java compatibility guidelines.Software development kit for Java, Version 6.0.
If you do not plan to develop Java UDRs, you do not need to install the development kit for Java. The J/Foundation component includes a Java runtime environment to execute Java UDRs.

Check the machine notes to learn about Java technology requirements for specific operating system platforms. The machine notes are available on the product media.

See Java technology dependencies.

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