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Revision 4764

Added by daigle almost 16 years ago

Add documentation for serviced based architecture and utilties classes.

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metacat-architecture.html
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<!--
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  * sitemaps.html
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  * metacat-architecture.html
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  *
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  *      Authors: Michael Daigle
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  *    Copyright: 2008 Regents of the University of California and the
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  *
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<HTML>
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<HEAD>
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<TITLE>Metacat Architecture</TITLE>
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<html>
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<head>
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<title>Metacat Architecture</title>
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<!-- unfortunately, we have to look for the common css file in the
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     user docs directory.  This is because the user docs deploy to
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     the top level of the metacat docs on the knb web server -->
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<link rel="stylesheet" type="text/css" href="../user/common.css">
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<link rel="stylesheet" type="text/css" href="./default.css">
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</HEAD>
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<BODY>
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  <table class="tabledefault" width="100%">
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    <tr>
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      <td rowspan="2"><img src="./images/KNBLogo.gif"></td>
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      <td colspan="7"><div class="title">KNB Software Development Guide: Metacat Architecture</div></td>
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    </tr>
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    <tr>
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      <td><a href="/" class="toollink"> KNB Home </a></td>
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      <td><a href="/data.html" class="toollink"> Data </a></td>
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      <td><a href="/people.html" class="toollink"> People </a></td>
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      <td><a href="/informatics" class="toollink"> Informatics </a></td>
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      <td><a href="/biodiversity" class="toollink"> Biocomplexity </a></td>
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      <td><a href="/education" class="toollink"> Education </a></td>
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      <td><a href="/software" class="toollink"> Software </a></td>
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  <br>
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  <table width="100%">


  		




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    <tr>


  		




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      <td class="tablehead" colspan="2"><p class="label">Metacat Architecture</p></td>


  		




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    </tr>


  		




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  <div class="header1">Table of Contents</div>


  		




  
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  <div class="toc">


  		




  
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    <div class="toc1"><a href="#Overview">Architecture Overview</a></div>


  		




  
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    <div class="toc1"><a href="#Sections">Architectural Sections</a></div>


  		




  
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  </div>  


  		




  
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  <a name="Overview"></a><div class="header1">Architecture Overview</div>   


  		




  
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  <p>Metacat is implemented as a Java Servlet, and so communicates using basic


  		




  
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  HTTP protocol semantics.  The figure below shows the basic structure of


  		




  
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  the Metacat architecture. A well defined interface for inserting, 


  		




  
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  updating, deleting, querying, and transforming (using XSL) XML documents


  		




  
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  is presented.  We would like to add the DOM API as an alternative 


  		




  
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  supported mechanism for interacting with Metacat, but have not yet


  		




  
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  implemented this functionality. </p>


  		




  
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  <p><img src="../user/metacat.gif" /></p>  


  		




  
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  <a name="Sections"></a><div class="header1">Architectural Sections</div>   


  		




  
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  <p> Please refer to the following sections for more information on each area. 


  		




  
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  <ul>


  		




  
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    <li> <a href="./service-base.html">Service Based Architecture</a></li>


  		




  
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    <li> <a href="./utilities-classes.html">Utilities Classes</a></li>


  		




  
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    <li> <!-- a href="./managing-properties.html" -->Managing Properties<!-- /a --></li>


  		




  
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    <li> <!-- a href="./configuration-infrastructure.html" -->Configuration Infrastructure<!-- /a --></li>


  		




  
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  </ul>


  		




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  <br>


  		




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  <!-- a href="add back file here when one exists" -->Back<!-- /a --> | <a href="./index.html">Home</a> | 


  		




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  <a href="./metacat-dev-hardware.html">Next</a>


  		




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</BODY>


  		




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</HTML>


  		




  
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</body>


  		




  
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</html>


  		












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