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<th colspan="3" align="center">Chapter 23.
ElementHolder </th>
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<h2 class="title"><a id="ElementHolder"></a>Chapter 23.
ElementHolder </h2>
</div>
</div>
</div>
<p>A wrapper class for primitive types. </p>
<p>It has identical usage and public interface to the <a class="link" href="ElementRef.html" title="Chapter 24. ElementRef">ElementRef</a>
class. </p>
<h4><a id="id1568361"></a>
See Also
</h4>
<p> </p>
<p><a class="link" href="ElementRef.html" title="Chapter 24. ElementRef">ElementRef</a>
. </p>
<h4><a id="id1568479"></a> Public Members </h4>
<div class="informaltable">
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<th>Member</th>
<th>Description</th>
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<td>
<a class="xref" href="ElementHolder.html#stlElementHolderElementHolder" title="ElementHolder">
ElementHolder
</a>
</td>
<td>
<p>Constructor. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stlElementHolderdstr_ElementHolder.html" title="~ElementHolder">
~ElementHolder
</a>
</td>
<td>
<p>Destructor. </p> </td>
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<td>
<a class="xref" href="stlElementHolderoperator_ia.html" title="operator+=">
operator+=
</a>
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<td>
</td>
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<a class="xref" href="stlElementHolderoperator_sa.html" title="operator-=">
operator-=
</a>
</td>
<td>
</td>
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<td>
<a class="xref" href="stlElementHolderoperator__ma.html" title="operator *=">
operator *=
</a>
</td>
<td>
</td>
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<td>
<a class="xref" href="stlElementHolderoperator_da.html" title="operator/=">
operator/=
</a>
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<td>
</td>
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<a class="xref" href="stlElementHolderoperator_modasg.html" title="operator%=">
operator%=
</a>
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<a class="xref" href="stlElementHolderoperator__aa.html" title="operator &=">
operator &=
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<a class="xref" href="stlElementHolderoperator_oa.html" title="operator|=">
operator|=
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<td>
</td>
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<a class="xref" href="stlElementHolderoperator_xa.html" title="operator^=">
operator^=
</a>
</td>
<td>
</td>
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<td>
<a class="xref" href="stlElementHolderoperator_gt_ge.html" title="operator>>=">
operator>>=
</a>
</td>
<td>
</td>
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<td>
<a class="xref" href="stlElementHolderoperator_lt_le.html" title="operator<<=">
operator<<=
</a>
</td>
<td>
</td>
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<td>
<a class="xref" href="stlElementHolderoperator_incr.html" title="operator++">
operator++
</a>
</td>
<td>
</td>
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<td>
<a class="xref" href="stlElementHolderoperator_decr.html" title="operator--">
operator--
</a>
</td>
<td>
</td>
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<td>
<a class="xref" href="stlElementHolderoperator_assign.html" title="operator=">
operator=
</a>
</td>
<td>
</td>
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<tr>
<td>
<a class="xref" href="stlElementHolderoperator_ptype.html" title="operator ptype">
operator ptype
</a>
</td>
<td>
<p>This operator is a type converter. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stlElementHolder_DB_STL_value.html" title="_DB_STL_value">
_DB_STL_value
</a>
</td>
<td>
<p>Returns the data element this wrapper object wraps;. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stlElementHolder_DB_STL_StoreElement.html" title="_DB_STL_StoreElement">
_DB_STL_StoreElement
</a>
</td>
<td>
<p>Function to store the data element. </p> </td>
</tr>
</tbody>
</table>
</div>
<h4><a id="id1568553"></a>
Group</h4>
<p>
<a class="xref" href="Element_wrappers.html" title="Chapter 22. ElementRef and ElementHolder Wappers">
ElementRef and ElementHolder Wappers </a>
</p>
<p>
</p>
<div class="sect1" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both"><a id="stlElementHolderElementHolder"></a>
ElementHolder
</h2>
</div>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="func_details"></a>
Function Details</h3>
</div>
</div>
</div>
<pre class="programlisting">
ElementHolder(iterator_type *pitr=NULL)
</pre>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage"></div>
<p>Constructor. </p>
<p>If the pitr parameter is NULL or the default value is used, the object created is a simple wrapper and not connected to a container. If a valid iterator parameter is passed in, the wrapped element will be associated with the matching key/data pair in the underlying container. </p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1569110"></a>
Parameters</h4>
</div>
</div>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="id1569170"></a>
pitr </h5>
</div>
</div>
</div>
<p>The iterator owning this object. </p>
</div>
</div>
<pre class="programlisting">
ElementHolder(const ptype &dt)
</pre>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage"></div>
<p>Constructor. </p>
<p>Initializes an <a class="link" href="ElementRef.html" title="Chapter 24. ElementRef">ElementRef</a>
wrapper without an iterator. It can only be used to wrap a data element in memory, it can't access an unerlying database. </p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1568476"></a>
Parameters</h4>
</div>
</div>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="id1568402"></a>
dt </h5>
</div>
</div>
</div>
<p>The base class object to initialize this object. </p>
</div>
</div>
<pre class="programlisting">
ElementHolder(const self &other)
</pre>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage"></div>
<p>Copy constructor. </p>
<p>The constructor takes a "deep" copy. The created object will be identical to, but independent from the original object. </p>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="id1568754"></a>
Parameters</h4>
</div>
</div>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="id1568857"></a>
other </h5>
</div>
</div>
</div>
<p>The object to clone from. </p>
</div>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="id1568545"></a>
Class</h3>
</div>
</div>
</div>
<p>
<a class="link" href="ElementHolder.html" title="Chapter 23. ElementHolder">
ElementHolder</a>
</p>
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