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<!-- Generated by javadoc on Fri Sep 24 03:23:03 CEST 1999 -->
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<title>
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Class de.tudarmstadt.ito.xmldbms.DBMSToDOM
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</title>
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</head>
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<body>
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<a name="_top_"></a>
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<pre>
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<a href="packages.html">All Packages</a> <a href="tree.html">Class Hierarchy</a> <a href="Package-de.tudarmstadt.ito.xmldbms.html">This Package</a> <a href="de.tudarmstadt.ito.xmldbms.ColumnMap.html#_top_">Previous</a> <a href="de.tudarmstadt.ito.xmldbms.DOMToDBMS.html#_top_">Next</a> <a href="AllNames.html">Index</a></pre>
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<hr>
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<h1>
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Class de.tudarmstadt.ito.xmldbms.DBMSToDOM
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</h1>
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<pre>
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java.lang.Object
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+----de.tudarmstadt.ito.xmldbms.DBMSToDOM
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</pre>
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<hr>
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<dl>
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<dt> public class <b>DBMSToDOM</b>
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<dt> extends Object
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</dl>
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Transfers data from the database to a DOM tree.
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<P>DBMSToDOM transfers data from the database to a DOM tree according
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to a particular Map. The caller must provide a DocumentFactory for the
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DOM implementation they are using (many are available in
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de.tudarmstadt.ito.domutils), a Map object, and information about how
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to retrieve the data. The latter can be one or more table names and key
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values, a DocumentInfo object, or a result set.</P>
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<P>For example, the following code transfers data for sales order number 123
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from the Sales table to a DOM tree using Oracle's DOM implementation:</P>
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<PRE>
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// Use a user-defined function to create a map.
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Map map = createMap("sales.map", conn);<BR />
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// Create a new DBMSToDOM object.
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DBMSToDOM dbmsToDOM = new DBMSToDOM(map, new DF_Oracle());<BR />
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// Create a key and retrieve the data.
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Object[] key = {new Integer(123)};
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Document doc = dbmsToDOM.retrieveDocument("Sales", key);
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</PRE>
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<P>Currently, no DOM implementations allow the namespace of an element or
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attribute to be set. Therefore, the caller can choose whether element and
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attribute names are prefixed according to the namespace prefixes in the
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Map. This is useful if the DOM tree will be serialized as an XML document.
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It might cause problems if the DOM tree is to be used directly, as the DOM
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implementation will not correctly return the base name, the namespace URI,
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or the qualified name. That is, it will return the prefixed name as the
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base name and qualified name and null as the namespace URI. By default,
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namespace prefixes are not used.</P>
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<p>
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<hr>
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<a name="index"></a>
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<h2>
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<img src="images/constructor-index.gif" width=275 height=38 alt="Constructor Index">
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</h2>
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<dl>
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<dt> <img src="images/yellow-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#DBMSToDOM()"><b>DBMSToDOM</b></a>()
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<dd> Construct a new DBMSToDOM object.
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<dt> <img src="images/yellow-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#DBMSToDOM(de.tudarmstadt.ito.xmldbms.Map, de.tudarmstadt.ito.domutils.DocumentFactory)"><b>DBMSToDOM</b></a>(Map, DocumentFactory)
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<dd> Construct a new DBMSToDOM object and set the Map and
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DocumentFactory objects.
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</dl>
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<h2>
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<img src="images/method-index.gif" width=207 height=38 alt="Method Index">
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</h2>
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<dl>
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#getDocumentFactory()"><b>getDocumentFactory</b></a>()
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<dd> Get the current DocumentFactory.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#getMap()"><b>getMap</b></a>()
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<dd> Get the current Map.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#retrieveDocument(de.tudarmstadt.ito.xmldbms.DocumentInfo)"><b>retrieveDocument</b></a>(DocumentInfo)
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<dd> Construct a DOM Document according to the information in a DocumentInfo
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object.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#retrieveDocument(java.sql.ResultSet)"><b>retrieveDocument</b></a>(ResultSet)
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<dd> Construct a DOM Document from a result set.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#retrieveDocument(java.lang.String, java.lang.Object[])"><b>retrieveDocument</b></a>(String, Object[])
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<dd> Construct a DOM Document from the specified table.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#retrieveDocument(java.lang.String[], java.lang.Object[][])"><b>retrieveDocument</b></a>(String[], Object[][])
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<dd> Construct a DOM Document from the specified tables.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#setDocumentFactory(de.tudarmstadt.ito.domutils.DocumentFactory)"><b>setDocumentFactory</b></a>(DocumentFactory)
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<dd> Set the current DocumentFactory.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#setMap(de.tudarmstadt.ito.xmldbms.Map)"><b>setMap</b></a>(Map)
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<dd> Set the current Map.
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<dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
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<a href="#usePrefixes(boolean)"><b>usePrefixes</b></a>(boolean)
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<dd> State whether element and attribute names should be prefixed according
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to the namespace prefixes in the Map.
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</dl>
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<a name="constructors"></a>
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<h2>
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<img src="images/constructors.gif" width=231 height=38 alt="Constructors">
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</h2>
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<a name="DBMSToDOM"></a>
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<a name="DBMSToDOM()"><img src="images/yellow-ball.gif" width=12 height=12 alt=" o "></a>
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<b>DBMSToDOM</b>
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<pre>
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public DBMSToDOM()
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</pre>
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<dl>
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<dd> Construct a new DBMSToDOM object.
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<p>
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</dl>
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<a name="DBMSToDOM(de.tudarmstadt.ito.xmldbms.Map, de.tudarmstadt.ito.domutils.DocumentFactory)"><img src="images/yellow-ball.gif" width=12 height=12 alt=" o "></a>
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<b>DBMSToDOM</b>
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<pre>
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public DBMSToDOM(<a href="de.tudarmstadt.ito.xmldbms.Map.html#_top_">Map</a> map,
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<a href="de.tudarmstadt.ito.domutils.DocumentFactory.html#_top_">DocumentFactory</a> factory)
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</pre>
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<dl>
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<dd> Construct a new DBMSToDOM object and set the Map and
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DocumentFactory objects.
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<p>
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</dl>
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<a name="methods"></a>
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<h2>
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<img src="images/methods.gif" width=151 height=38 alt="Methods">
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</h2>
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<a name="getMap()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="getMap"><b>getMap</b></a>
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<pre>
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public <a href="de.tudarmstadt.ito.xmldbms.Map.html#_top_">Map</a> getMap()
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</pre>
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<dl>
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<dd> Get the current Map.
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<p>
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<dd><dl>
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<dt> <b>Returns:</b>
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<dd> The current Map.
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</dl></dd>
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</dl>
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<a name="setMap(de.tudarmstadt.ito.xmldbms.Map)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="setMap"><b>setMap</b></a>
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<pre>
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public void setMap(<a href="de.tudarmstadt.ito.xmldbms.Map.html#_top_">Map</a> map)
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</pre>
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<dl>
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<dd> Set the current Map.
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<p>
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<dd><dl>
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<dt> <b>Parameters:</b>
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<dd> map - The current Map.
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</dl></dd>
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</dl>
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<a name="getDocumentFactory()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="getDocumentFactory"><b>getDocumentFactory</b></a>
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<pre>
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| 162 |
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public <a href="de.tudarmstadt.ito.domutils.DocumentFactory.html#_top_">DocumentFactory</a> getDocumentFactory()
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</pre>
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<dl>
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<dd> Get the current DocumentFactory.
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<p>
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<dd><dl>
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<dt> <b>Returns:</b>
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<dd> The current DocumentFactory.
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</dl></dd>
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</dl>
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<a name="setDocumentFactory(de.tudarmstadt.ito.domutils.DocumentFactory)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="setDocumentFactory"><b>setDocumentFactory</b></a>
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<pre>
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public void setDocumentFactory(<a href="de.tudarmstadt.ito.domutils.DocumentFactory.html#_top_">DocumentFactory</a> factory)
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</pre>
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<dl>
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<dd> Set the current DocumentFactory.
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<p>
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<dd><dl>
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<dt> <b>Parameters:</b>
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<dd> factory - The current DocumentFactory.
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</dl></dd>
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</dl>
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<a name="usePrefixes(boolean)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="usePrefixes"><b>usePrefixes</b></a>
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<pre>
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public void usePrefixes(boolean usePrefixes)
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</pre>
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<dl>
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<dd> State whether element and attribute names should be prefixed according
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to the namespace prefixes in the Map.
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<p>
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<dd><dl>
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<dt> <b>Parameters:</b>
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<dd> usePrefixes - Whether to use prefixes.
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</dl></dd>
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</dl>
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<a name="retrieveDocument(java.sql.ResultSet)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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<a name="retrieveDocument"><b>retrieveDocument</b></a>
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<pre>
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public Document retrieveDocument(ResultSet rs) throws <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>, SQLException, <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
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</pre>
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<dl>
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<dd> Construct a DOM Document from a result set.
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<P>In the simplest case, this method simply constructs a DOM Document
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from the result set. Depending on the Map, data may be retrieved from
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subordinate tables as well. Note that the Map must map an element type
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to a table named "Result Set".</P>
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<P>If the result set contains more than one row, the Map must specify
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an ignored root type; otherwise, a DOMException is thrown.</P>
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<P>This method closes the result set.</P>
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<p>
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<dd><dl>
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<dt> <b>Parameters:</b>
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<dd> rs - The result set.
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<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
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<dd> Thrown if an error occurs creating an
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empty Document.
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<dt> <b>Throws:</b> DOMException
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<dd> Thrown if a DOM error occurs. One possible cause
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of this is that the result set contains more than one row and there was
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no ignored root element type.
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| 224 |
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<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>
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<dd> Thrown if the Map is not set or more than
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one ignored root type is specified.
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<dt> <b>Throws:</b> SQLException
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<dd> Thrown if an error occurs retrieving data from the
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database.
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| 230 |
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</dl></dd>
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</dl>
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<a name="retrieveDocument(java.lang.String[], java.lang.Object[][])"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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| 233 |
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<a name="retrieveDocument"><b>retrieveDocument</b></a>
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| 234 |
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<pre>
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| 235 |
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public Document retrieveDocument(String tableNames[],
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| 236 |
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Object keys[][]) throws <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>, SQLException, <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
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| 237 |
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</pre>
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| 238 |
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<dl>
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| 239 |
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<dd> Construct a DOM Document from the specified tables.
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| 240 |
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<P>In the simplest case, this method simply constructs a DOM Document
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| 241 |
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from the specified tables and rows. Depending on the Map, data may be
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| 242 |
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retrieved from subordinate tables as well.</P>
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| 243 |
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<P>If more than one row is retrieved from the specified tables, the
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| 244 |
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Map must specify an ignored root type; otherwise, a DOMException is
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| 245 |
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thrown.</P>
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| 246 |
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<p>
|
| 247 |
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<dd><dl>
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| 248 |
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<dt> <b>Parameters:</b>
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| 249 |
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<dd> tableNames - The names of the tables from which to retrieve data.
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| 250 |
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<dd> keys - The keys used to retrieve data. There must be the same
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number of keys as tables.
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| 252 |
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<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
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| 253 |
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<dd> Thrown if an error occurs creating an
|
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empty Document.
|
| 255 |
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<dt> <b>Throws:</b> DOMException
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| 256 |
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<dd> Thrown if a DOM error occurs. One possible cause
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of this is that more than one row was retrieved from the specified tables
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| 258 |
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and there was no ignored root element type.
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<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>
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<dd> Thrown if the Map is not set or more than
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one ignored root type is specified.
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<dt> <b>Throws:</b> SQLException
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| 263 |
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<dd> Thrown if an error occurs retrieving data from the
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database.
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| 265 |
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</dl></dd>
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| 266 |
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</dl>
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| 267 |
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<a name="retrieveDocument(java.lang.String, java.lang.Object[])"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
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| 268 |
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<a name="retrieveDocument"><b>retrieveDocument</b></a>
|
| 269 |
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<pre>
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| 270 |
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public Document retrieveDocument(String tableName,
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| 271 |
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Object key[]) throws DOMException, <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>, SQLException, <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
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</pre>
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<dl>
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<dd> Construct a DOM Document from the specified table.
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|
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<P>In the simplest case, this method simply constructs a DOM Document
|
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|
|
from the row(s) in the specified table. Depending on the Map, data may
|
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|
|
be retrieved from subordinate tables as well.</P>
|
| 278 |
|
|
<P>If more than one row is retrieved from the specified table, the Map
|
| 279 |
|
|
must specify an ignored root type; otherwise, a DOMException is
|
| 280 |
|
|
thrown.</P>
|
| 281 |
|
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<p>
|
| 282 |
|
|
<dd><dl>
|
| 283 |
|
|
<dt> <b>Parameters:</b>
|
| 284 |
|
|
<dd> tableName - The name of the table from which to retrieve data.
|
| 285 |
|
|
<dd> key - The key used to retrieve data.
|
| 286 |
|
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<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
|
| 287 |
|
|
<dd> Thrown if an error occurs creating an
|
| 288 |
|
|
empty Document.
|
| 289 |
|
|
<dt> <b>Throws:</b> DOMException
|
| 290 |
|
|
<dd> Thrown if a DOM error occurs. One possible cause
|
| 291 |
|
|
of this is that more than one row retrieved from the specified table
|
| 292 |
|
|
and there was no ignored root element type.
|
| 293 |
|
|
<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>
|
| 294 |
|
|
<dd> Thrown if the Map is not set or more than
|
| 295 |
|
|
one ignored root type is specified.
|
| 296 |
|
|
<dt> <b>Throws:</b> SQLException
|
| 297 |
|
|
<dd> Thrown if an error occurs retrieving data from the
|
| 298 |
|
|
database.
|
| 299 |
|
|
</dl></dd>
|
| 300 |
|
|
</dl>
|
| 301 |
|
|
<a name="retrieveDocument(de.tudarmstadt.ito.xmldbms.DocumentInfo)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
|
| 302 |
|
|
<a name="retrieveDocument"><b>retrieveDocument</b></a>
|
| 303 |
|
|
<pre>
|
| 304 |
|
|
public Document retrieveDocument(<a href="de.tudarmstadt.ito.xmldbms.DocumentInfo.html#_top_">DocumentInfo</a> docInfo) throws DOMException, <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>, SQLException, <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
|
| 305 |
|
|
</pre>
|
| 306 |
|
|
<dl>
|
| 307 |
|
|
<dd> Construct a DOM Document according to the information in a DocumentInfo
|
| 308 |
|
|
object.
|
| 309 |
|
|
<P>In the simplest case, this method simply constructs a DOM Document
|
| 310 |
|
|
from the row(s) specified in the DocumentInfo object. Depending on the
|
| 311 |
|
|
Map, data may be retrieved from subordinate tables as well.</P>
|
| 312 |
|
|
<P>If more than one row is retrieved from the tables specified in the
|
| 313 |
|
|
DocumentInfo object, the Map must specify an ignored root type;
|
| 314 |
|
|
otherwise, a DOMException is thrown.</P>
|
| 315 |
|
|
<p>
|
| 316 |
|
|
<dd><dl>
|
| 317 |
|
|
<dt> <b>Parameters:</b>
|
| 318 |
|
|
<dd> docInfo - The DocumentInfo specifying which rows to retrieve.
|
| 319 |
|
|
<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.domutils.DocumentFactoryException.html#_top_">DocumentFactoryException</a>
|
| 320 |
|
|
<dd> Thrown if an error occurs creating an
|
| 321 |
|
|
empty Document.
|
| 322 |
|
|
<dt> <b>Throws:</b> DOMException
|
| 323 |
|
|
<dd> Thrown if a DOM error occurs. One possible cause
|
| 324 |
|
|
of this is that more than one row retrieved from the specified tables
|
| 325 |
|
|
and there was no ignored root element type.
|
| 326 |
|
|
<dt> <b>Throws:</b> <a href="de.tudarmstadt.ito.xmldbms.InvalidMapException.html#_top_">InvalidMapException</a>
|
| 327 |
|
|
<dd> Thrown if the Map is not set or more than
|
| 328 |
|
|
one ignored root type is specified.
|
| 329 |
|
|
<dt> <b>Throws:</b> SQLException
|
| 330 |
|
|
<dd> Thrown if an error occurs retrieving data from the
|
| 331 |
|
|
database.
|
| 332 |
|
|
</dl></dd>
|
| 333 |
|
|
</dl>
|
| 334 |
|
|
<hr>
|
| 335 |
|
|
<pre>
|
| 336 |
|
|
<a href="packages.html">All Packages</a> <a href="tree.html">Class Hierarchy</a> <a href="Package-de.tudarmstadt.ito.xmldbms.html">This Package</a> <a href="de.tudarmstadt.ito.xmldbms.ColumnMap.html#_top_">Previous</a> <a href="de.tudarmstadt.ito.xmldbms.DOMToDBMS.html#_top_">Next</a> <a href="AllNames.html">Index</a></pre>
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| 337 |
|
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| 338 |
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