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<pre><a name="header-text">Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License. </a></pre>
<p class=MsoNormal><span style="font-size: 9pt"><br>
</span></p>
<p class=MsoNormal><span style='font-size:9.0pt'>
<o:p> </o:p></span></p>
-->
<h1><st1:State><st1:place>Tuscany</st1:place></st1:State> RDB DAS Sample (<span
class=SpellE>companyweb</span>)<o:p></o:p></h1>
<p class=MsoNormal><u3:p> </u3:p></p>
<p class=MsoNormal>This stand-alone sample demonstrates the SDO RDB Data Access
Service in the context of a simple web application.<o:p></o:p></p>
<p class=MsoNormal><u3:p> </u3:p></p>
<p class=MsoNormal>The application starts with a canned database of Companies
and their related Departments.<span style='mso-spacerun:yes'>� </span>Through
the web page interface, a user can:<o:p></o:p></p>
<p class=MsoNormal><u3:p> </u3:p></p>
<ol style='margin-top:0in' start=1 type=1>
<li class=MsoNormal style='mso-list:l3 level1 lfo3;tab-stops:list .5in'>Display
all Companies in the database</li>
<li class=MsoNormal style='mso-list:l3 level1 lfo3;tab-stops:list .5in'>Display
all Companies and related Departments</li>
<li class=MsoNormal style='mso-list:l3 level1 lfo3;tab-stops:list .5in'>Add a
new Department to a Company</li>
<li class=MsoNormal style='mso-list:l3 level1 lfo3;tab-stops:list .5in'>Delete
all Departments from a Company</li>
<li class=MsoNormal style='mso-list:l3 level1 lfo3;tab-stops:list .5in'>Change
the names of Departments in a Company<o:p></o:p></li>
</ol>
<p class=MsoNormal><u3:p> </u3:p></p>
<p class=MsoNormal>So, this simple application covers all CRUD operations as
well as the some relationship manipulation (adding a Department associates that
Department with the Company).<span style='mso-spacerun:yes'>� </span>The sample
runs on Tomcat 6.0 and employs a <st1:City><st1:place>Derby</st1:place></st1:City>
database accessed via a DataSource.</p>
<h1>Running the sample</h1>
<p class=MsoNormal>There are two options for running this sample:<o:p></o:p></p>
<p class=MsoNormal><u3:p> </u3:p></p>
<ol style='margin-top:0in' start=1 type=1>
<li class=MsoNormal style='mso-list:l6 level1 lfo6;tab-stops:list .5in'>Run
from Tomcat configured by the build</li>
<li class=MsoNormal style='mso-list:l6 level1 lfo6;tab-stops:list .5in'>Deploying
the <span class=SpellE>CompanyWeb</span> WAR into a Tomcat you configure
yourself</li>
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<h3>Running from Tomcat configured by the build<u3:p></u3:p></h3>
<p class=MsoNormal>This sample application is deployed (along with the canned
test database) to an instance of Tomcat as part of our automated sample
testing.<span style='mso-spacerun:yes'>� </span>This means you can run the
java/<span class=SpellE>das</span>/samples/testing/tomcat build (see
java/das/samples/testing/tomcat/<span class=GramE>readme.htm )</span><span
style='mso-spacerun:yes'>� </span>and then access the application by pointing
your browser to <span class=MsoHyperlink>http://localhost:8080/sample-companyweb/</span>.<span
style='mso-spacerun:yes'>� </span></p>
<h3>Deploying the <span class=SpellE>CompanyWeb</span> WAR into a Tomcat you
configure yourself</h3>
<p class=MsoNormal>Alternatively, you can deploy the sample to your own
configured Tomcat installation by following the instructions below.<span
style='mso-spacerun:yes'>� </span>These instructions assume that you have either
1) downloaded the Tuscany sample distribution or 2) Downloaded the Tuscany
source and run our maven build, see the following link to more details steps on
how to build DAS Sample applications <a
href="http://incubator.apache.org/tuscany/das-java-developer-guide.html">http://incubator.apache.org/tuscany/das-java-developer-guide.html</a>
.</p>
<h1><span style='font-size:12.0pt;mso-bidi-font-size:16.0pt;font-family:"Times New Roman";
mso-bidi-font-family:Arial;mso-font-kerning:0pt'>Set Up<u3:p></u3:p></span></h1>
<ol style='margin-top:0in' start=1 type=1>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Download
and install the most recent stable version of Tomcat 6.0.<span
style='mso-spacerun:yes'>� </span>You can find it here: <a
href="http://tomcat.apache.org/download-60.cgi">http://tomcat.apache.org/download-60.cgi</a></li>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Download
the most recent official release of <st1:City><st1:place>Derby</st1:place></st1:City>
from here: <a href="http://db.apache.org/derby/index.html">http://db.apache.org/derby/index.html</a>.<span
style='mso-spacerun:yes'>� </span>The only file you�ll need from this
download is <span class=SpellE>derby.jar</span></li>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Stop
Tomcat</li>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Copy <span
class=SpellE>derby.jar</span> (from the derby distribution) to {<span
class=SpellE>Tomcat_Home</span>}/common/lib:</li>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Add
the sample war file to {<span class=SpellE>Tomcat_Home</span>}/<span
class=SpellE>webapps</span></li>
<ol style='margin-top:0in' start=1 type=a>
<li class=MsoNormal style='mso-list:l4 level2 lfo9;tab-stops:list 1.0in'>sample-companyweb.war</li>
</ol>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Install
the canned <st1:City><st1:place>Derby</st1:place></st1:City> database to
Tomcat: </li>
<ol style='margin-top:0in' start=1 type=a>
<li class=MsoNormal style='mso-list:l4 level2 lfo9;tab-stops:list 1.0in'>First,
create a new directory named �Databases� to hold the sample database.<span
style='mso-spacerun:yes'>� </span>Create {<span class=SpellE>Tomcat_Home</span>}/Databases</li>
<li class=MsoNormal style='mso-list:l4 level2 lfo9;tab-stops:list 1.0in'>Copy
the <span class=SpellE>dastest</span> folder (and all its contents) from
{build directory root OR where samples where unzipped}/java/<span
class=SpellE>das/samples/companyweb</span> to {<span class=SpellE>Tomcat_Home</span>}/Databases.<span
style='mso-spacerun:yes'>�� </span><br>
<br>
<b style='mso-bidi-font-weight:normal'>NOTE</b>: If you are running this
from a sample distribution, the canned database is available in the
distribution, inside the databases directory. </li>
</ol>
</ol>
<p class=MsoNormal style='margin-left:.75in'><o:p> </o:p></p>
<ol style='margin-top:0in' start=7 type=1>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Define
a DataSource by adding a <span class=SpellE>datasource</span> definition
to {<span class=SpellE><span class=codefrag>Tomcat_Home</span></span><span
class=codefrag>}/conf/<span class=SpellE>server.xml</span></span>.</li>
<ol style='margin-top:0in' start=1 type=a>
<li class=MsoNormal style='mso-list:l4 level2 lfo9;tab-stops:list 1.0in'>Find
the end-of-section marker <span class=codefrag></<span class=SpellE>GlobalNamingResources</span>></span>
and add the following lines just above it: <o:p></o:p></li>
</ol>
</ol>
<p class=MsoNormal style='margin-left:.5in'><u3:p> </u3:p></p>
<pre><span style='mso-spacerun:yes'>������� </span><span class=GramE><span
style='font-size:9.0pt'><!--</span></span><span style='font-size:9.0pt'> Global <span
class=SpellE>Datasource</span> for </span><st1:City><st1:place><span
style='font-size:9.0pt'>Derby</span></st1:place></st1:City><span
style='font-size:9.0pt'> <span class=SpellE>dastest</span> database --><u3:p></u3:p></span></pre><pre><span
style='font-size:9.0pt'><span style='mso-spacerun:yes'>�������� </span><Resource name="<span
class=SpellE>jdbc/dastest</span>"<u3:p></u3:p></span></pre><pre><span
style='font-size:9.0pt'><span style='mso-spacerun:yes'>������������� </span><span
class=GramE>type</span>="<span class=SpellE>javax.sql.DataSource</span>"<span style='mso-spacerun:yes'>� </span>auth="Container"<u3:p></u3:p></span></pre><pre><span
style='font-size:9.0pt'><span style='mso-spacerun:yes'>������������� </span><span
class=GramE>description</span>="</span><st1:City><st1:place><span
style='font-size:9.0pt'>Derby</span></st1:place></st1:City><span
style='font-size:9.0pt'> database for DAS Company sample"<u3:p></u3:p></span></pre><pre><span
style='font-size:9.0pt'><span style='mso-spacerun:yes'>������������� </span><span
class=SpellE><span class=GramE>maxActive</span></span>="100" <span
class=SpellE>maxIdle</span>="30" <span class=SpellE>maxWait</span>="10000"<u3:p></u3:p></span></pre><pre><span
style='font-size:9.0pt'><span style='mso-spacerun:yes'>������������� </span>username="" password="" <u3:p></u3:p></span></pre><pre><span
style='font-size:9.0pt'><span style='mso-spacerun:yes'>��������������</span><span
class=SpellE><span class=GramE>driverClassName</span></span>="<span
class=SpellE>org.apache.derby.jdbc.EmbeddedDriver</span>"<u3:p></u3:p></span></pre><pre><span
style='font-size:9.0pt'><span style='mso-spacerun:yes'>������������� </span><span
class=SpellE><span class=GramE>url</span></span>="<span class=SpellE>jdbc:derby</span>:{absolute path}Databases/<span
class=SpellE>dastest</span>"/><u3:p></u3:p></span></pre>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span
style='mso-spacerun:yes'>�</span><b style='mso-bidi-font-weight:normal'>Requirement</b>:
You must include the absolute path to the �Databases� directory in the above <span
class=SpellE><span class=GramE>url</span></span> attribute.<span
style='mso-spacerun:yes'>� </span>Fore example:<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><u3:p> </u3:p></p>
<pre><span style='mso-spacerun:yes'>�������� </span><span class=SpellE>url</span>="jdbc:derby:c:\apache-tomcat-6.0.13\Databases/dastest"/><o:p></o:p></pre><u3:p></u3:p>
<p class=MsoNormal style='margin-left:.5in'><span
style='mso-spacerun:yes'>�</span></p>
<ol style='margin-top:0in' start=1 type=1>
<li class=MsoNormal style='mso-list:l4 level1 lfo9;tab-stops:list .5in'>Start
tomcat and point your browser to: <a
href="http://localhost:8080/sample-companyweb-%7bversion%20tag%7d/"><span
style='color:windowtext;text-decoration:none;text-underline:none'>http://localhost:8080/sample-companyweb/</span></a></li>
</ol>
<p class=MsoNormal style='margin-left:1.5in'><o:p> </o:p></p>
<p class=MsoNormal style='margin-left:1.5in'><span class=GramE>example</span>: <span
class=MsoHyperlink>http://localhost:8080/sample-companyweb/</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:1.0in'><u3:p> </u3:p></p>
<h1>Sample Architecture</h1>
<p class=MsoNormal>This is a simple, single-page, web application.<span
style='mso-spacerun:yes'>� </span>The main components of this application are:</p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='mso-list:l2 level1 lfo15;tab-stops:list .5in'>The
RDB Data Access Service (DAS)</li>
<li class=MsoNormal style='mso-list:l2 level1 lfo15;tab-stops:list .5in'>SDO</li>
<li class=MsoNormal style='mso-list:l2 level1 lfo15;tab-stops:list .5in'><span
class=SpellE>CompanyClient.java</span></li>
<li class=MsoNormal style='mso-list:l2 level1 lfo15;tab-stops:list .5in'><span
class=SpellE>Company.jsp</span></li>
<li class=MsoNormal style='mso-list:l2 level1 lfo15;tab-stops:list .5in'>The
canned <st1:City><st1:place>Derby</st1:place></st1:City> database<o:p></o:p></li>
</ul>
<p class=MsoNormal><u3:p> </u3:p><o:p></o:p></p>
<p class=MsoNormal><u3:p> </u3:p></p>
<p class=MsoNormal>The <span class=SpellE><b style='mso-bidi-font-weight:normal'>CompanyClient</b></span>
uses the <b style='mso-bidi-font-weight:normal'>DAS</b> directly and provides
high-level services to the <span class=SpellE>jsp</span> such as:</p>
<p class=MsoNormal style='margin-left:.5in'><span class=GramE>public</span>
final List <span class=SpellE>getCompanies</span>()</p>
<p class=MsoNormal>This is a good place to look for how you might use the DAS
in your own application.<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><u3:p> </u3:p></p>
<p class=MsoNormal>The <span class=SpellE><b style='mso-bidi-font-weight:normal'>Company.jsp</b></span>
responds to client interaction by invoking services of the <span class=SpellE>CompanyClient</span>.<span
style='mso-spacerun:yes'>� </span>It receives data from the <span class=SpellE>CompanyClient</span>
as SDO data graphs and manipulates SDOs directly to display data.<o:p></o:p></p>
<p class=MsoNormal><u3:p> </u3:p></p>
<p class=MsoNormal>The canned <st1:City><st1:place><b style='mso-bidi-font-weight:
normal'>Derby</b></st1:place></st1:City><b style='mso-bidi-font-weight:normal'>
database</b> comes preloaded with Companies and related Departments. <span
style='mso-spacerun:yes'>�</span>The <st1:City><st1:place>Derby</st1:place></st1:City>
database instance is a simple file folder.<o:p></o:p></p>
<p class=MsoNormal><u3:p> </u3:p></p>
<p class=MsoNormal>The <b style='mso-bidi-font-weight:normal'>DAS</b> accepts
directives (commands) from the <span class=SpellE><b style='mso-bidi-font-weight:
normal'>CompanyClient</b></span><b style='mso-bidi-font-weight:normal'> </b>and
reads and writes to the derby database instance appropriately.<b
style='mso-bidi-font-weight:normal'> </b><o:p></o:p></p>
</div>
<u3:p></u3:p>
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