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<h2><font size="-1">Saxon.Api</font><br>Class XdmAtomicValue
</h2>
<hr>
<dl>
<dt><pre>public class XdmAtomicValue</pre></dt>
<dt> extends <a href="XdmItem.html">XdmItem</a></dt>
</dl>
<dl>
<dd>
<p>
The class <code>XdmAtomicValue</code> represents an item in an XPath 2.0 sequence
that is an atomic value. The value may belong to any of the 19 primitive types
defined in XML Schema, or to a type derived from these primitive types, or to
the XPath 2.0 type <code>xs:untypedAtomic</code>
</p>
<p>
Note that there is no guarantee that every <code>XdmValue</code> comprising a single
atomic value will be an instance of this class. To force this, use the <code>Simplify</code>
property of the <code>XdmValue</code>.
</p>
</dd>
</dl>
<hr><a name="constructor_summary"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Constructor Summary</b></font></th>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(long)">XdmAtomicValue</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.int64(VS.80).aspx">long</a> i)</code><p>
Construct an atomic value of type <code>xs:integer</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(decimal)">XdmAtomicValue</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.decimal(VS.80).aspx">decimal</a> d)</code><p>
Construct an atomic value of type <code>xs:decimal</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(float)">XdmAtomicValue</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.single(VS.80).aspx">float</a> f)</code><p>
Construct an atomic value of type <code>xs:float</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(double)">XdmAtomicValue</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.double(VS.80).aspx">double</a> d)</code><p>
Construct an atomic value of type <code>xs:double</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(bool)">XdmAtomicValue</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a> b)</code><p>
Construct an atomic value of type <code>xs:boolean</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(System.Uri)">XdmAtomicValue</a></b>(System.Uri u)</code><p>
Construct an atomic value of type <code>xs:anyURI</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(Saxon.Api.QName)">XdmAtomicValue</a></b>(<a href="QName.html">QName</a> q)</code><p>
Construct an atomic value of type <code>xs:QName</code>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue(string,Saxon.Api.QName,Saxon.Api.Processor)">XdmAtomicValue</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> lexicalForm, <a href="QName.html">QName</a> type, <a href="Processor.html">Processor</a> processor)</code><p>
Construct an atomic value of a given built-in or user-defined type
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td><code><b><a href="#XdmAtomicValue()">XdmAtomicValue</a></b>()</code></td>
</tr>
</table> <a name="property_summary"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Property Summary</b></font></th>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> Object</code></td>
<td><code><b><a href="#Value">Value</a></b></code><p>Get the value as a CLI object of the nearest equivalent type.</p>
</td>
</tr>
</table> <a name="method_summary"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Method Summary</b></font></th>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a></code></td>
<td><code><b><a href="#IsAtomic()">IsAtomic</a></b>()</code><p>
Determine whether the item is an atomic value
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%">static<code> <a href="XdmAtomicValue.html">XdmAtomicValue</a></code></td>
<td><code><b><a href="#WrapExternalObject(object)">WrapExternalObject</a></b>(<a href="http://msdn.microsoft.com/en-us/library/system.object(VS.80).aspx">object</a> external)</code><p>
Create an atomic value that wraps an external object. Such values can be used
in conjunction with extension functions.
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a></code></td>
<td><code><b><a href="#GetBooleanValue()">GetBooleanValue</a></b>()</code><p>
Get the value converted to a boolean using the XPath casting rules
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.int64(VS.80).aspx">long</a></code></td>
<td><code><b><a href="#GetLongValue()">GetLongValue</a></b>()</code><p>
Get the value converted to a boolean using the XPath casting rules
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.double(VS.80).aspx">double</a></code></td>
<td><code><b><a href="#GetDoubleValue()">GetDoubleValue</a></b>()</code><p>
Get the value converted to a double using the XPath casting rules.
<p>If the value is a string, the XSD 1.1 rules are used, which means that the string
"+INF" is recognised.
</p>
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> Decimal</code></td>
<td><code><b><a href="#GetDecimalValue()">GetDecimalValue</a></b>()</code><p>
Get the value converted to a decimal using the XPath casting rules
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a></code></td>
<td><code><b><a href="#ToString()">ToString</a></b>()</code><p>
Convert the atomic value to a string
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#GetTypeName(Saxon.Api.Processor)">GetTypeName</a></b>(<a href="Processor.html">Processor</a> processor)</code><p>
Get the name of the value's XDM type
</p>
</td>
</tr>
<tr bgcolor="white" class="TableRowColor">
<td align="right" valign="top" width="1%"><code> <a href="QName.html">QName</a></code></td>
<td><code><b><a href="#GetPrimitiveTypeName()">GetPrimitiveTypeName</a></b>()</code><p>
Get the name of the primitive type of the value
</p>
</td>
</tr>
</table> <a name="constructor_detail"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Constructor Detail</b></font></th>
</tr>
</table><a name="XdmAtomicValue(long)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(<a href="http://msdn.microsoft.com/en-us/library/system.int64(VS.80).aspx">long</a> i)</pre><dl>
<dd>
<p>
Construct an atomic value of type <code>xs:integer</code>
</p><b>Parameters:</b><dl>
<dt><code>i</code> -
</dt>
<dd>The integer value</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue(decimal)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(<a href="http://msdn.microsoft.com/en-us/library/system.decimal(VS.80).aspx">decimal</a> d)</pre><dl>
<dd>
<p>
Construct an atomic value of type <code>xs:decimal</code>
</p><b>Parameters:</b><dl>
<dt><code>d</code> -
</dt>
<dd>The decimal value</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue(float)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(<a href="http://msdn.microsoft.com/en-us/library/system.single(VS.80).aspx">float</a> f)</pre><dl>
<dd>
<p>
Construct an atomic value of type <code>xs:float</code>
</p><b>Parameters:</b><dl>
<dt><code>f</code> -
</dt>
<dd>The float value</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue(double)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(<a href="http://msdn.microsoft.com/en-us/library/system.double(VS.80).aspx">double</a> d)</pre><dl>
<dd>
<p>
Construct an atomic value of type <code>xs:double</code>
</p><b>Parameters:</b><dl>
<dt><code>d</code> -
</dt>
<dd>The double value</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue(bool)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(<a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a> b)</pre><dl>
<dd>
<p>
Construct an atomic value of type <code>xs:boolean</code>
</p><b>Parameters:</b><dl>
<dt><code>b</code> -
</dt>
<dd>The boolean value</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue(System.Uri)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(System.Uri u)</pre><dl>
<dd>
<p>
Construct an atomic value of type <code>xs:anyURI</code>
</p><b>Parameters:</b><dl>
<dt><code>u</code> -
</dt>
<dd>The uri value</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue(Saxon.Api.QName)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(<a href="QName.html">QName</a> q)</pre><dl>
<dd>
<p>
Construct an atomic value of type <code>xs:QName</code>
</p><b>Parameters:</b><dl>
<dt><code>q</code> -
</dt>
<dd>The QName value</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue(string,Saxon.Api.QName,Saxon.Api.Processor)"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>(<a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">string</a> lexicalForm,
<a href="QName.html">QName</a> type,
<a href="Processor.html">Processor</a> processor)</pre><dl>
<dd>
<p>
Construct an atomic value of a given built-in or user-defined type
</p><b>Parameters:</b><dl>
<dt><code>lexicalForm</code> -
</dt>
<dd>The string representation of the value (any value that is acceptable
in the lexical space, as defined by XML Schema Part 2). Whitespace normalization as
defined by
the target type will be applied to the value.
</dd>
</dl>
<dl>
<dt><code>type</code> -
</dt>
<dd>The QName giving the name of the target type. This must be an atomic
type, and it must not be a type that is namespace-sensitive (QName, NOTATION, or types
derived
from these). If the type is a user-defined type then its definition must be present
in the schema cache maintained by the <code>SchemaManager</code>.
</dd>
</dl>
<dl>
<dt><code>processor</code> -
</dt>
<dd>The <code>Processor</code> object. This is needed for looking up user-defined
types, and also because some conversions are context-sensitive, for example they depend
on the
implicit timezone or the choice of XML 1.0 versus XML 1.1 for validating names.
</dd>
</dl>
</dd>
</dl>
<hr><a name="XdmAtomicValue()"></a><h3>XdmAtomicValue</h3><pre>public <b>XdmAtomicValue</b>()</pre><dl>
<dd></dd>
</dl>
<hr><a name="property_detail"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Property Detail</b></font></th>
</tr>
</table><a name="Value"></a><h3>Value</h3><pre>public Object <b>Value</b> {get; }</pre><dl>
<dd>
<p>Get the value as a CLI object of the nearest equivalent type.</p>
<p>The return type is as follows:</p>
<p>xs:string - String</p>
<p>xs:integer - Long</p>
<p>xs:decimal - Decimal</p>
<p>xs:double - Double</p>
<p>xs:float - Float</p>
<p>xs:boolean - Bool</p>
<p>xs:QName - QName</p>
<p>xs:anyURI - Uri</p>
<p>xs:untypedAtomic - String</p>
<p>wrapped external object - the original external object</p>
<p>Other types - currently String, but this may change in the future</p>
<dl>
<dt>returns</dt>
<dd>The value converted to the most appropriate CLI type</dd>
</dl>
</dd>
</dl>
<hr><a name="method_detail"></a><table border="1" width="100%" cellpadding="3" cellspacing="0" summary="">
<tr border="#ccccff" class="TableHeadingColor">
<th align="left" colspan="2"><font size="+2"><b>Method Detail</b></font></th>
</tr>
</table><a name="IsAtomic()"></a><h3>IsAtomic</h3><pre>public override <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a> <b>IsAtomic</b>()</pre><dl>
<dd>
<p>
Determine whether the item is an atomic value
</p>
<dl>
<dt>returns</dt>
<dd>
true (the item is an atomic value)
</dd>
</dl>
</dd>
</dl>
<hr><a name="WrapExternalObject(object)"></a><h3>WrapExternalObject</h3><pre>public static <a href="XdmAtomicValue.html">XdmAtomicValue</a> <b>WrapExternalObject</b>(<a href="http://msdn.microsoft.com/en-us/library/system.object(VS.80).aspx">object</a> external)</pre><dl>
<dd>
<p>
Create an atomic value that wraps an external object. Such values can be used
in conjunction with extension functions.
</p>
<p>This method should not be used to create simple atomic values representing strings,
numbers, booleans, and so on. For that purpose, use the relevant constructor.
Wrapped external objects are used only when calling .NET native code external
to a query or stylesheet.
</p>
<p>In releases prior to 9.2, this method also existed with the alternative spelling
<code>wrapExternalObject</code> (lower-case "w"). This was retained for backwards compatibility,
but caused problems for Visual Basic users, where it is not permitted to have two
methods whose
names differ only in case. Any applications using <code>wrapExternalObject</code> must
therefore be changed to use <code>WrapExternalObject</code>. Apologies for the inconvenience.
</p>
<b>Parameters:</b><dl>
<dt><code>external</code> -
</dt>
<dd>The object to be wrapped.</dd>
</dl>
<dl>
<dt>returns</dt>
<dd>The wrapped object</dd>
</dl>
</dd>
</dl>
<hr><a name="GetBooleanValue()"></a><h3>GetBooleanValue</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.boolean(VS.80).aspx">bool</a> <b>GetBooleanValue</b>()</pre><dl>
<dd>
<p>
Get the value converted to a boolean using the XPath casting rules
</p>
<dl>
<dt>returns</dt>
<dd>the result of converting to a boolean (Note: this is not the same as the
effective boolean value).
</dd>
</dl>
</dd>
</dl>
<hr><a name="GetLongValue()"></a><h3>GetLongValue</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.int64(VS.80).aspx">long</a> <b>GetLongValue</b>()</pre><dl>
<dd>
<p>
Get the value converted to a boolean using the XPath casting rules
</p>
<dl>
<dt>returns</dt>
<dd>the result of converting to an integer</dd>
</dl>
</dd>
</dl>
<hr><a name="GetDoubleValue()"></a><h3>GetDoubleValue</h3><pre>public <a href="http://msdn.microsoft.com/en-us/library/system.double(VS.80).aspx">double</a> <b>GetDoubleValue</b>()</pre><dl>
<dd>
<p>
Get the value converted to a double using the XPath casting rules.
<p>If the value is a string, the XSD 1.1 rules are used, which means that the string
"+INF" is recognised.
</p>
</p>
<dl>
<dt>returns</dt>
<dd>the result of converting to a double</dd>
</dl>
</dd>
</dl>
<hr><a name="GetDecimalValue()"></a><h3>GetDecimalValue</h3><pre>public Decimal <b>GetDecimalValue</b>()</pre><dl>
<dd>
<p>
Get the value converted to a decimal using the XPath casting rules
</p>
<dl>
<dt>returns</dt>
<dd>return the result of converting to a decimal</dd>
</dl>
</dd>
</dl>
<hr><a name="ToString()"></a><h3>ToString</h3><pre>public override <a href="http://msdn.microsoft.com/en-us/library/system.string(VS.80).aspx">String</a> <b>ToString</b>()</pre><dl>
<dd>
<p>
Convert the atomic value to a string
</p>
<dl>
<dt>returns</dt>
<dd>The value converted to a string, according to the rules
of the XPath 2.0 cast operator
</dd>
</dl>
</dd>
</dl>
<hr><a name="GetTypeName(Saxon.Api.Processor)"></a><h3>GetTypeName</h3><pre>public <a href="QName.html">QName</a> <b>GetTypeName</b>(<a href="Processor.html">Processor</a> processor)</pre><dl>
<dd>
<p>
Get the name of the value's XDM type
</p><b>Parameters:</b><dl>
<dt><code>processor</code> -
</dt>
<dd>The <code>Processor</code> object.
This is needed for access to the NamePool,
which maps the internal form of type names to their external form.
</dd>
</dl>
<dl>
<dt>returns</dt>
<dd>The type of the value, as a QName. This may be a built-in type or a user-defined
atomic type.
</dd>
</dl>
</dd>
</dl>
<hr><a name="GetPrimitiveTypeName()"></a><h3>GetPrimitiveTypeName</h3><pre>public <a href="QName.html">QName</a> <b>GetPrimitiveTypeName</b>()</pre><dl>
<dd>
<p>
Get the name of the primitive type of the value
</p>
<dl>
<dt>returns</dt>
<dd>The primitive type of the value, as a QName. This will be the name of
one of the primitive types defined in XML Schema Part 2, or the XPath-defined
type <code>xs:untypedAtomic</code>. For the purposes of this method, <code>xs:integer</code> is considered
to be a primitive type.
</dd>
</dl>
</dd>
</dl>
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