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64 lines
3.2 KiB
HTML
Executable file
64 lines
3.2 KiB
HTML
Executable file
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
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<META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css">
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<meta name="copyright" content="Copyright (c) IBM Corporation and others 2000, 2006. This page is made available under license. For full details see the LEGAL in the documentation book that contains this page." >
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<title>RSE Artifacts</title>
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<link rel="stylesheet" type="text/css" HREF="../book.css">
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</head>
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<body>
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<h1>DataStore Artifacts</h1>
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<p>With the DataStore, you interface the following artifacts:</p>
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<ul>
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<li><A href="#clientconnection">Client Connection</A></li>
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<li><A href="#datastore">DataStore</A></li>
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<li><A href="#dataelement">DataElement</A></li>
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<li><A href="#miner">Miner</A></li>
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</ul>
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<p>All the classes and interfaces mentioned here are defined in the <samp>org.eclipse.dstore.core</samp> plugin.
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<h2><A name="clientconnection">Client Connection</A></h2>
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<p>
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The <b>ClientConnection</b> class is used for establishing a DataStore connection. This class provides the
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means to instantiate a client DataStore and connect to a server DataStore on a specified host running under a
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specified port. The connection to the server DataStore may either be made directly or a startup
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negotiation may be made with a remote daemon before connecting to the server. This class also provides the means
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for disconnecting from the DataStore.
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</p>
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<h2><A name="datastore">DataStore</A></h2>
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<p>
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The <b>DataStore</b> class is the heart of the DataStore communications framework. An instance of a DataStore contains a tree
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of <a href="#dataelement">DataElements</a>. This tree can be referred to as the <i>DataStore repository</i> because
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it consists of all the schema information and data content used. Any type of object or relationship defined, command definition or
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peice of data that needs to be communicated between the client and server are stored in the <i>DataStore repository</i>.
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The DataStore class can be used for finding, creating and deleting DataElements and for communicating commands
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to <a href="#miner">miner</a>. The DataStore class encapsulates all remote synchronizations between the client and the
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server via it's <code>command</code> and <code>refresh</code> APIs.
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</p>
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<h2><A name="dataelement">DataElement</A></h2>
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<p>
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The <b>DataElement</b> is the unit of information in a DataStore repository. Each DataElement has a set of attributes that describe
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the object it represents and is related to other DataElements by containing other DataElements. DataElements represent both the meaning
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of data as well as the data itself.
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</p>
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<p>
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For more information about DataElements, see the section, <a href="DataElements.html">DataElements and the DataStore model</a>.
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</p>
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<h2><A name="miner">Miner</A></h2>
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<p>
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A <b>Miner</b> is an extension point to the DataStore. Miners are classes, residing on the server-side, that implement a common
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interface used by the DataStore for communication information between the DataStore and the tools.
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</p>
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<p>
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For more information about Miners, see the section, <a href="Miners.html">Miners</a>.
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</p>
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</body>
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</html>
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