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<?xml version="1.0" encoding="UTF-8"?>
<document>
<properties>
<title>Tuscany</title>
<bannertitle>Welcome to Tuscany</bannertitle>
<tab>das</tab>
</properties>
<body>
<section name="Tuscany DAS - Java">
<p>This document proves a high-level overview of the Java DAS (Data Access Services) subproject of the Apache Tuscany incubator project.</p>
</section>
<section name="DAS Java Getting Started">
<p>To get started with Java DAS, follow the <a href="downloads.html">downloads</a> link and pick up either a binary or source distribution.
If you are working from a source distribution, you can follow the <a href="java-projects.html">general instructions</a> for building the whole of the Tuscany java projects,
or you can follow the intructions within the <A href="java_das_overview.html"> DAS Java overview </A> to build and explore just DAS java.
</p>
<h3>General DAS Documentation</h3>
<table class="bodyTable">
<tr class="b">
<td>
<span style="font-weight: bold;">Title</span>
</td>
<td>
<span style="font-weight: bold;">Description</span>
</td>
</tr>
<tr class="b">
<td>
<a href='RDB_DAS_white_paper_v-0.2.pdf' target='_blank'>DAS White Paper: The Data Access Service</a>
</td>
<td>
How to access relational data in terms of Service Data Objects
</td>
</tr>
<tr class="b">
<td>
<a class="external" rel="nofollow" href='http://java.sys-con.com/read/260053.htm'>JDJ DAS Article</a>
</td>
<td>
How to access relational data in terms of Service Data Objects
</td>
</tr>
</table>
</section>
<section name="DAS Java Overview">
<p>Currently, the project's code base includes an implementation of a DAS RDB (relational database) with following key features :</p>
<h3>DAS Java Project Structure</h3>
<p>The DAS RDB project is divided into three parts:</p>
<ol type="1">
<li><p><strong>das.rdb</strong> contains the DAS interfaces and the RDB (Relational Database) runtime implementation.</p></li>
<li><p><strong>samples.das</strong> provides sample applications based on DAS.</p></li>
<li><p><strong>distribution.das</strong> provides DAS binaries distribution with required dependencies.</p></li>
<li><p><strong>distribution.das-samples</strong> provides DAS samples distribution as a ready-to-deploy war file.</p></li>
</ol>
<h3>DAS high level class diagram</h3>
<img src ="images/das_class_diagram.jpg" alt="DAS High level class diagram" align="middle" border="0" height="561" width="710"/>
</section>
<section name="Build Environment Setup">
<h3>Tuscany Build Environment Setup</h3>
<p>DAS is a subproject of the Tuscany project. If you check out and
build the whole Tuscany Java project, you will have also built the DAS
subproject. If you want to work with the DAS project, without the rest
of Tuscany, skip to the next section.</p>
<p>To build the whole Tuscany project follow <a class="external" rel="nofollow" href="java-projects.html">these instructions</a>.</p>
<h3>DAS Java Build Environment Setup</h3>
<p>If you want to work with the DAS project alone, without the rest of Tuscany, proceed with the following steps.</p>
<ol type="1">
<li><p>Set up your environment using the <a class="external" rel="nofollow" href="java-projects.html"> instructions for building the whole of Tuscany</a>,
<strong>but</strong> only download and install Java 5, Maven and Svn</p></li>
<li><p>Make sure 'mvn' and 'svn' commands are in your PATH environment variable.</p></li>
<li><p>Check out the DAS open source projects from Apache.</p></li>
<ul>
<li style="list-style-type: none;">
<p>Commands:</p>
<p>md <local tuscany dir> <br/>
cd <local tuscany dir> <br/>
svn co <a rel="nofollow" href="https://svn.apache.org/repos/asf/incubator/tuscany/java">https://svn.apache.org/repos/asf/incubator/tuscany/java</a> <br/>
</p>
</li>
</ul>
</ol>
<ol start="4" type="1">
<li><p>Run "mvn" under <local tuscany dir>/java directory to install
POM files from the root project to the local repository</p></li>
</ol>
<ul>
<li style="list-style-type: none;">
<p>Commands:</p>
<ul>
<li style="list-style-type: none;">
<p>cd <local tuscany dir>/java/das <br/>
mvn<br/>
</p>
</li>
</ul>
</li>
</ul>
<ul>
<li style="list-style-type: none;">
<p><strong>Notes:</strong></p>
<ol type="1">
<li><p>If the mvn command completed successfully, you will see BUILD
SUCCESSFUL in the output and tuscany-das-rdb-1.0-SNAPSHOP.jar is created under
<local tuscany dir>/java/das/rdb/target directory.</p></li>
<li><p>External resources are at times unavailable. It may be necessary to
run "mvn" again at a later time.</p></li>
<li><p>If you are taking time to reply to firewall prompts, this can cause
some requests to time out. Set up the firewall to permit the action without prompting.</p></li>
</ol>
</li>
</ul>
<H3>Building Javadoc for DAS</H3>
<p> In order to build DAS Javadocs, you will need to build the a specific maven profile called "javadoc" </p>
<ul>
<li style="list-style-type: none;">
<p>Commands:</p>
<ul>
<li style="list-style-type: none;">
<p>cd <local tuscany dir>/java/das <br/>
mvn -P javadoc<br/>
</p>
</li>
</ul>
<p>Note: Javadoc will be available at <local tuscany dir>/java/das/rdb/target/apidocs/index.html.</p>
</li>
</ul>
<H3 >Dependency Jars</H3>
<p> The DAS.RDB project has a dependency on SDO and requires the following SDO runtime jars to build</p>
<ul>
<li><p>sdo-api-r2.0.1-1.0-SNAPSHOT.jar - SDO 2.0 Interfaces</p></li>
<li><p>tuscany-sdo-impl-1.0-SNAPSHOT.jar - SDO 2.0 implementation</p></li>
</ul>
<p>The SDO.IMPL project have dependencies on the following EMF (Eclipse Modeling
Framework - www.eclipse.org/emf) runtime jars to build:</p>
<ul>
<li><p>common-2.2.1.jar - some common framework utility and base classes</p></li>
<li><p>ecore-2.2.1.jar - the EMF core runtime implementation classes (the Ecore metamodel)</p></li>
<li><p>ecore-change-2.2.1.jar - the EMF change recorder and framework</p></li>
<li><p>ecore-xmi-2.2.1.jar - EMF's default XML (and XMI) serializer and loader</p></li>
<li><p>xsd-2.2.1.jar - the XML Schema model</p></li>
<li><p>log4j-1.2.12.jar - log4j logging framework</p></li>
</ul>
</section>
<section name="Running DAS Samples">
<p>DAS provide sample a CompanyWeb scenario where it exposes some of the DAS Features integrated in a J2EE webapp.</p>
<p>Follow the steps below to be able to run the samples in a J2EE webserver (in our case Apache Tomcat)</p>
<p><strong>From the source repository</strong></p>
<ul>
<li><p>checkout DAS Sample from SVN repository:</p></li>
<ul>
<li><p>md 'local tuscany dir'</p></li>
<li><p>cd 'local tuscany dir'</p></li>
<li><p>svn co https://svn.apache.org/repos/asf/incubator/tuscany/java/das das</p></li>
</ul>
<li><p>use maven to build the CompanyWeb war file:</p></li>
<ul>
<li><p>cd das\samples</p></li>
<li><p>mvn</p></li>
</ul>
<li><p>use maven to deploy the CompanyWeb war file to Tomcat</p></li>
<ul>
<li><p>mvn tomcat:deploy</p></li>
</ul>
</ul>
<p>There are also some sample applications that use a mix of SCA, SDO and DAS. See "Running the Samples" on the <a href="java-projects.html#Running the Samples">Java project page</a> for details.</p>
<p><strong>From a DAS Sample distribution (starting with M2)</strong>:</p>
<ul>
<li><p>Download a das-sample distribution from http://incubator.apache.org/tuscany/downloads.html</p></li>
<li><p>Extract the companyweb war file</p></li>
<li><p>Follow regular deployment procedures to deploy the war file</p></li>
</ul>
</section>
<section name="Running Tuscany DAS Unit Tests">
<p>DAS is currently providing two sets of unit tests</p>
<ul>
<li><p>JUnit tests for the core DAS code</p></li>
<li><p>HTMLUnit tests integrated with Tomcat for DAS CompanyWeb sample application</p></li>
</ul>
<p>Below we are going to describe how you can exercise these two sets of tests, and we recommend you running them after contributing code/patches for DAS
to validate that your new changes are not introducing any regressions.</p>
<p><strong>Running DAS tests as part of the build</strong></p>
<ul>
<li><p>cd 'local tuscany dir'/java/das</p></li>
<li><p>mvn test</p></li>
<p>
-------------------------------------------------------<br/>
T E S T S<br/>
-------------------------------------------------------<br/>
Running org.apache.tuscany.das.rdb.test.suites.AllTestsDerby<br/>
Setting up for Derby run<br/>
Ending Derby run<br/>
Tests run: 137, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 33.468 sec<br/>
<br/>
Results :<br/>
<br/>
Tests run: 137, Failures: 0, Errors: 0, Skipped: 0<br/>
<br/>
[INFO] ------------------------------------------------------------------------<br/>
[INFO] BUILD SUCCESSFUL<br/>
[INFO] ------------------------------------------------------------------------<br/>
[INFO] Total time: 57 seconds<br/>
[INFO] Finished at: Tue Oct 03 12:06:13 PDT 2006<br/>
[INFO] Final Memory: 5M/10M<br/>
[INFO] ------------------------------------------------------------------------<br/>
<br/>
</p>
</ul>
<p><strong>Running DAS CompanyWeb tests in tomcat</strong></p>
<ul>
<li><p>Download tomcat distribution into your local filesystem : http://tomcat.apache.org/</p></li>
<li><p>Create a build.properties in your root directory (e.g. C:\Documents and Settings\lresende in Win2K systems) with the following contents</p></li>
<ul>
<li><p>tuscany.acceptance.tomcat.zipped='directory where tomcat was downloaded'\\apache-tomcat-5.5.17-tuscany.zip</p></li>
</ul>
<li><p>checkout DAS Sample from SVN repository:</p></li>
<ul>
<li><p>md 'local tuscany dir'</p></li>
<li><p>cd 'local tuscany dir'</p></li>
<li><p>svn co https://svn.apache.org/repos/asf/incubator/tuscany/java/das das</p></li>
</ul>
<li><p>use maven run the DAS CompanyWeb tests in Tomcat:</p></li>
<ul>
<li><p>cd das/samples/testing/tomcat</p></li>
<li><p>mvn</p></li>
<p>
-------------------------------------------------------<br/>
T E S T S<br/>
-------------------------------------------------------<br/>
Running org.apache.tuscany.test.das.DasTestCase<br/>
Running:HomePage SUCCESS!!!<br/>
Running:AllCompanies SUCCESS!!!<br/>
Running:AllCompaniesDepartments SUCCESS!!!<br/>
Running:AddDepartmentToFirstCompany SUCCESS!!!<br/>
Running:ChangeCompanyDepartmentNames SUCCESS!!!<br/>
Running:DeleteCompanyOneDepartments SUCCESS!!!<br/>
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.911 sec<br/>
<br/>
Results :<br/>
<br/>
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0<br/>
<br/>
[INFO]<br/>
[INFO]<br/>
[INFO] ------------------------------------------------------------------------<br/>
[INFO] Reactor Summary:<br/>
[INFO] ------------------------------------------------------------------------<br/>
[INFO] Tuscany Testing in Tomcat ............................. SUCCESS [0.251s]<br/>
[INFO] Tuscany Testing DAS Sample - Companyweb ............... SUCCESS [1:17.791s]<br/>
[INFO] ------------------------------------------------------------------------<br/>
[INFO] ------------------------------------------------------------------------<br/>
[INFO] BUILD SUCCESSFUL<br/>
[INFO] ------------------------------------------------------------------------<br/>
[INFO] Total time: 1 minute 18 seconds<br/>
[INFO] Finished at: Tue Oct 03 12:25:48 PDT 2006<br/>
[INFO] Final Memory: 7M/15M<br/>
[INFO] ------------------------------------------------------------------------<br/>
</p>
<li><p><strong>Note: Due to a current limitation, you must run mvn clean before you can run the tests a second time</strong></p></li>
</ul>
</ul>
</section>
</body>
</document>
|
