DataDirect Connect for JDBC User's Guide and ... - Stylus Studio
DataDirect Connect for JDBC User's Guide and ... - Stylus Studio
DataDirect Connect for JDBC User's Guide and ... - Stylus Studio
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24 Chapter 2 Using <strong>DataDirect</strong> <strong>Connect</strong> <strong>for</strong> <strong>JDBC</strong> Drivers<br />
J2EE <strong>Connect</strong>or Architecture Resource<br />
Adapters<br />
The J2EE <strong>Connect</strong>or architecture defines a st<strong>and</strong>ard structure <strong>for</strong><br />
connecting the J2EE plat<strong>for</strong>m to Enterprise In<strong>for</strong>mation Systems<br />
(EISs). Examples of EISs include mainframe transaction processing,<br />
database systems, <strong>and</strong> legacy applications not written in the Java<br />
programming language. The J2EE <strong>Connect</strong>or Architecture<br />
enables the integration of EISs with application servers <strong>and</strong><br />
enterprise applications.<br />
The J2EE <strong>Connect</strong>or Architecture defines a st<strong>and</strong>ard set of<br />
system-level contracts between an application server <strong>and</strong> EISs to<br />
ensure compatibility between them. The resource adapter<br />
implements the EIS portion of these system-level contracts.<br />
A resource adapter is a system-level software driver used by an<br />
application server to connect to an EIS. The resource adapter<br />
communicates with the server to provide the underlying<br />
transaction, security, <strong>and</strong> connection pooling mechanisms.<br />
The J2EE <strong>Connect</strong>or Architecture also defines a st<strong>and</strong>ard Service<br />
Provider Interface (SPI) <strong>for</strong> integrating the transaction, security<br />
<strong>and</strong> connection management facilities of an application server<br />
with those of a transactional resource manager. The <strong>JDBC</strong> 3.0<br />
specification describes the relationship of <strong>JDBC</strong> to the SPI<br />
specified in the J2EE <strong>Connect</strong>or Architecture.<br />
<strong>DataDirect</strong> <strong>Connect</strong> <strong>for</strong> <strong>JDBC</strong> supports appropriate <strong>JDBC</strong><br />
functionality through the J2EE <strong>Connect</strong>or Architecture SPI by<br />
providing resource adapters. The <strong>DataDirect</strong> resource adapters<br />
are provided in resource archive (RAR) files, <strong>and</strong> are named like<br />
the <strong>DataDirect</strong> <strong>Connect</strong> <strong>for</strong> <strong>JDBC</strong> driver files, <strong>for</strong> example,<br />
oracle.rar. See the Installed File list in the <strong>DataDirect</strong> <strong>Connect</strong> <strong>for</strong><br />
<strong>JDBC</strong> readme file <strong>for</strong> the names <strong>and</strong> locations of the RAR files. See<br />
the <strong>DataDirect</strong> <strong>Connect</strong> <strong>for</strong> <strong>JDBC</strong> Installation <strong>Guide</strong> <strong>for</strong><br />
in<strong>for</strong>mation about creating the resource adapters.<br />
<strong>DataDirect</strong> <strong>Connect</strong> <strong>for</strong> <strong>JDBC</strong> User’s <strong>Guide</strong> <strong>and</strong> Reference
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