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+ Licensed to the Apache Software Foundation (ASF) under one
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+ http://www.apache.org/licenses/LICENSE-2.0
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+ Unless required by applicable law or agreed to in writing,
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+<html>
+
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<title>Tuscany RDB DAS Service client</title>
+
+<style>
+.code {font-size: 11px; color: #006699}
+.codebox {border: 1px solid #6699CC; background-color: #F1F7FA;padding:15px}
+.codebox2 {border: 1px solid #6699CC; background-color: #F1F7FA;padding:15px; width:85%}
+.codeboxW {border: 1px solid #6699CC; background-color: #FFFFFF;padding:15px}
+.codeboxB {background-color: #C9DBED;padding:1px 10px 10px 10px}
+</style>
+
+</head>
+
+
+
+
+<body>
+
+<h1>Tuscany RDB DAS Service client</h1>
+
+
+<h3>Introduction</h3>
+
+<p>
+This stand-alone sample application demonstrate how to consume the DAS Service exposed trough an SCA service.<br>
+The application starts with a canned database of Companies and their related Departments.<br>
+Through the web page interface, a user can consume the DAS Service to display the list of available companies.<br>
+The sample runs on Tomcat 5.5 and employs a Derby database accessed via a DataSource.
+</p>
+
+
+
+
+
+<h3>Running the sample</h3>
+
+<p>There are two options for running this sample:</p>
+
+<ol>
+ <li>Run from Tomcat configured by the build</li>
+ <li>Deploying the DASService.client WAR into a Tomcat you configure yourself</li>
+</ol>
+
+
+<h3>Running from Tomcat configured by the build</h3>
+
+<p>
+This sample application is deployed (along with the canned test database) to an instance of Tomcat as part of our automated sample
+testing.This means you can run the java/samples/testing/tomcat build (see java/das/samples/testing/tomcat/readme.htm ) and then access
+the application by pointing your browser to http://localhost:8080/companyweb-service-client/
+</p>
+
+
+
+<h3>Deploying the DASService.client WAR into a Tomcat you configure yourself</h3>
+
+<p>
+Alternatively, you can deploy the sample to your own configured Tomcat installation by following the instructions below.
+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/java_das_overview.html">http://incubator.apache.org/tuscany/java_das_overview.html</a>.
+</p>
+
+<p><b><u>Set Up:</u></b></p>
+
+
+<ol>
+ <li>Download and install the most recent stable version of Tomcat 5.5. You can find it here: <a
+ href="http://tomcat.apache.org/download-55.cgi">http://tomcat.apache.org/download-55.cgi</a></li>
+ <li>Download the most recent official release of Derby from here: <a href="http://db.apache.org/derby/index.html">http://db.apache.org/derby/index.html</a>.
+ The only file you’ll need from this download is derby.jar</li>
+ <li>Stop Tomcat</li>
+ <li>Copy derby.jar (from the derby distribution) to {Tomcat_Home}/common/lib:</li>
+ <li>Add the sample war file to {Tomcat_Home}/webapps</li>
+ <ol start=1 type=a>
+ <li>sample-das-service-client-xxx.war (e.g.sample-das-service-client-1.0-incubator-SNAPSHOT.war)</li>
+ </ol>
+ <li>Install the canned Derby database to Tomcat: </li>
+ <ol start=1 type=a>
+ <li>First, create a new directory named “Databases” to hold the sample database. Create {Tomcat_Home}/Databases</li>
+ <li>Copy the <b>dastest</b> folder (and all its contents) from {build directory root OR
+ where samples where unzipped}/java/das/samples/DASService.client to {Tomcat_Home}/Databases.<br>
+ <br>
+ <b>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>
+ <li>Define a DataSource by adding a datasource definition to {Tomcat_Home}/conf/server.xml.</li>
+ <ol start=1 type=a>
+ <li>Find the end-of-section marker </GlobalNamingResources> and add the following lines just above it:
+ <p>
+ <div class="codebox2">
+ <pre>
+ <!-- Global Datasource for Derby dastest database -->
+ <Resource name="jdbc/dastest"
+ type="javax.sql.DataSource" auth="Container"
+ description="Derby database for DAS Company sample"
+ maxActive="100" maxIdle="30" maxWait="10000"
+ username="" password=""
+ driverClassName="org.apache.derby.jdbc.EmbeddedDriver"
+ url="jdbc:derby:{absolute path}Databases/dastest"/>
+ </pre>
+ </div>
+ </p>
+ <p><b>Requirement</b>:You must include the absolute path to the “Databases” directory in the above url attribute. Fore example:</p>
+ <p><pre> url="jdbc:derby:c:\apache-tomcat-5.5.17\Databases/dastest"</pre></p>
+ </li>
+ </ol>
+ <li><p>Start tomcat and point your browser to: <a href="http://localhost:8080/sample-das-service-client-%7bversion%20tag%7d/">http://localhost:8080/sample-das-service-client-{version
+ tag}/</a>. Example:</p>
+ <p><pre> http://localhost:8080/sample-das-service-client-1.0-incubator-SNAPSHOT/</pre></p>
+
+ </li>
+
+</ol>
+
+
+
+
+<h3>Sample Architecture</h3>
+
+<p>This is a simple, single-page, web application to consume DAS exposed as an SCA service.</p>
+<p>The main components of this application are:</p>
+
+<ul type=disc>
+ <li>The SCA DAS Service</li>
+ <li>SDO</li>
+ <li>Company.jsp</li>
+ <li>The canned Derby database</li>
+</ul>
+
+
+<p>The <b>Company.jsp</b> directly invoke the DAS Service to get a list of companies available and then iterate trough the SDO data graphs and manipulate SDO directly to display data</p>
+
+<p>The canned <b>Derby database</b> comes preloaded with Companies and related Departments. The Derby database instance is a simple file folder.</p>
+
+<p>The <b>SCA DAS Service</b> accepts directives (commands) and reads and writes to the derby database instance appropriately using DAS as the service implementation.</p>
+
+
+
+<h3>Consuming the DAS service</h3>
+
+<p>First, note that the application have dependencies on the DAS Service:</p>
+
+
+<p>
+<div class="codebox2">
+<pre>
+<!-- DAS Service -->
+<dependency>
+ <groupId>org.apache.tuscany.das.samples</groupId>
+ <artifactId>sample-das-service</artifactId>
+ <version>${pom.version}</version>
+</dependency>
+</pre>
+</div>
+</p>
+
+<br>
+<p>And the SCDL references the service:</p>
+
+<p>
+<div class="codebox2">
+<pre>
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0" name="DASServiceComposite">
+ <component name="DASServiceComponent">
+ <implementation.composite name="DASServiceComposite" jarLocation="lib/sample-das-service-1.0-incubator-SNAPSHOT.jar"/>
+ </component>
+</composite>
+</pre>
+</div>
+</p>
+
+
+
+
+</body>
+
+</html>
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