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 <div class="header">
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 <a href="#pub-methods">Public Member Functions</a>  </div>
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 <div class="title">Apache::Geode::Client::IDelta Interface Reference</div>  </div>
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 <p>This interface is used for delta propagation.
  <a href="a00950.html#details">More...</a></p>
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 Public Member Functions</h2></td></tr>
 <tr class="memitem:ac35842a6484aea9e011fbbf45d5f9481"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00950.html#ac35842a6484aea9e011fbbf45d5f9481">FromDelta</a> (<a class="el" href="a00602.html">DataInput</a>^ in)</td></tr>
 <tr class="memdesc:ac35842a6484aea9e011fbbf45d5f9481"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reads in delta information to this object in a user-defined format.  <a href="#ac35842a6484aea9e011fbbf45d5f9481">More...</a><br /></td></tr>
 <tr class="separator:ac35842a6484aea9e011fbbf45d5f9481"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a9598787b15d0f633923f4dc8fde7194c"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c">HasDelta</a> ()</td></tr>
 <tr class="memdesc:a9598787b15d0f633923f4dc8fde7194c"><td class="mdescLeft">&#160;</td><td class="mdescRight"><code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> is invoked by <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> during <code>Region.Put( ICacheableKey, ISerializable )</code> to determine if the object contains a delta.  <a href="#a9598787b15d0f633923f4dc8fde7194c">More...</a><br /></td></tr>
 <tr class="separator:a9598787b15d0f633923f4dc8fde7194c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ae596a2c12886ef4c156114c6912366c3"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00950.html#ae596a2c12886ef4c156114c6912366c3">ToDelta</a> (<a class="el" href="a00606.html">DataOutput</a>^ out)</td></tr>
 <tr class="memdesc:ae596a2c12886ef4c156114c6912366c3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes out delta information to out in a user-defined format.  <a href="#ae596a2c12886ef4c156114c6912366c3">More...</a><br /></td></tr>
 <tr class="separator:ae596a2c12886ef4c156114c6912366c3"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>This interface is used for delta propagation. </p>
 <p>To use delta propagation, an application class must implement interfaces <code><a class="el" href="a00950.html" title="This interface is used for delta propagation.">IDelta</a></code> as well as <code><a class="el" href="a00934.html" title="An interface for objects whose contents can be serialized as primitive types.">IDataSerializable</a></code>. The <code><a class="el" href="a00950.html" title="This interface is used for delta propagation.">IDelta</a></code> interface methods <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a>, <a class="el" href="a00950.html#ae596a2c12886ef4c156114c6912366c3" title="Writes out delta information to out in a user-defined format.">ToDelta( )</a></code> and <code><a class="el" href="a00950.html#ac35842a6484aea9e011fbbf45d5f9481" title="Reads in delta information to this object in a user-defined format.">FromDelta( )</a></code> must be implemented by the class, as these methods are used by <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> to detect the presence of delta in an object, to serialize the delta, and to apply a serialized delta to an existing object of the class. If a customized cloning method is required, the class must also implement the interface <code>System.ICloneable</code>. To use cloning in delta propagation for a region, the region attribute for cloning must be enabled. </p>
 </div><h2 class="groupheader">Member Function Documentation</h2>
 <a id="ac35842a6484aea9e011fbbf45d5f9481"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ac35842a6484aea9e011fbbf45d5f9481">&#9670;&nbsp;</a></span>FromDelta()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">void Apache::Geode::Client::IDelta::FromDelta </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="a00602.html">DataInput</a>^&#160;</td>
           <td class="paramname"><em>in</em></td><td>)</td>
           <td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Reads in delta information to this object in a user-defined format. </p>
 <p>This is invoked on an existing application object after <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> determines the presence of delta in <code><a class="el" href="a00602.html" title="Provides operations for reading primitive data values, byte arrays, strings, ISerializable objects fr...">DataInput</a></code> instance. </p>
 <dl class="exception"><dt>Exceptions</dt><dd>
   <table class="exception">
     <tr><td class="paramname">InvalidDeltaException</td><td>if the delta in the <code><a class="el" href="a00602.html" title="Provides operations for reading primitive data values, byte arrays, strings, ISerializable objects fr...">DataInput</a></code> instance cannot be applied to this instance (possible causes may include mismatch of Delta version or logic error). </td></tr>
     <tr><td class="paramname"><a class="el" href="a00726.html" title="Thrown when there is an input/output error.">GeodeIOException</a></td><td></td></tr>
   </table>
   </dd>
 </dl>

 </div>
 </div>
 <a id="a9598787b15d0f633923f4dc8fde7194c"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#a9598787b15d0f633923f4dc8fde7194c">&#9670;&nbsp;</a></span>HasDelta()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">bool Apache::Geode::Client::IDelta::HasDelta </td>
           <td>(</td>
           <td class="paramname"></td><td>)</td>
           <td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p><code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> is invoked by <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> during <code>Region.Put( ICacheableKey, ISerializable )</code> to determine if the object contains a delta. </p>
 <p>If <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> returns true, the delta in the object is serialized by invoking <code>ToDelta( DataOutput )</code>. If <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> returns false, the object is serialized by invoking <code>ISerializable.ToData( DataOutput )</code>. </p>

 </div>
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 <a id="ae596a2c12886ef4c156114c6912366c3"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#ae596a2c12886ef4c156114c6912366c3">&#9670;&nbsp;</a></span>ToDelta()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">void Apache::Geode::Client::IDelta::ToDelta </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="a00606.html">DataOutput</a>^&#160;</td>
           <td class="paramname"><em>out</em></td><td>)</td>
           <td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Writes out delta information to out in a user-defined format. </p>
 <p>This is invoked on an application object after <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> determines the presence of delta in it by calling <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta()</a></code> on the object. </p>
 <dl class="exception"><dt>Exceptions</dt><dd>
   <table class="exception">
     <tr><td class="paramname"><a class="el" href="a00726.html" title="Thrown when there is an input/output error.">GeodeIOException</a></td><td></td></tr>
   </table>
   </dd>
 </dl>

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 <HR><address style="align: right;"><small>Apache Geode C++ Cache .NET API Documentation</small></address>
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	<div class="header">
	<div class="summary">
	<a href="#pub-methods">Public Member Functions</a> </div>
	<div class="headertitle">
	<div class="title">Apache::Geode::Client::IDelta Interface Reference</div> </div>
	</div><!--header-->
	<div class="contents">

	<p>This interface is used for delta propagation.
	<a href="a00950.html#details">More...</a></p>
	<table class="memberdecls">
	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
	Public Member Functions</h2></td></tr>
	<tr class="memitem:ac35842a6484aea9e011fbbf45d5f9481"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00950.html#ac35842a6484aea9e011fbbf45d5f9481">FromDelta</a> (<a class="el" href="a00602.html">DataInput</a>^ in)</td></tr>
	<tr class="memdesc:ac35842a6484aea9e011fbbf45d5f9481"><td class="mdescLeft"> </td><td class="mdescRight">Reads in delta information to this object in a user-defined format. <a href="#ac35842a6484aea9e011fbbf45d5f9481">More...</a><br /></td></tr>
	<tr class="separator:ac35842a6484aea9e011fbbf45d5f9481"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:a9598787b15d0f633923f4dc8fde7194c"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c">HasDelta</a> ()</td></tr>
	<tr class="memdesc:a9598787b15d0f633923f4dc8fde7194c"><td class="mdescLeft"> </td><td class="mdescRight"><code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> is invoked by <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> during <code>Region.Put( ICacheableKey, ISerializable )</code> to determine if the object contains a delta. <a href="#a9598787b15d0f633923f4dc8fde7194c">More...</a><br /></td></tr>
	<tr class="separator:a9598787b15d0f633923f4dc8fde7194c"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:ae596a2c12886ef4c156114c6912366c3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00950.html#ae596a2c12886ef4c156114c6912366c3">ToDelta</a> (<a class="el" href="a00606.html">DataOutput</a>^ out)</td></tr>
	<tr class="memdesc:ae596a2c12886ef4c156114c6912366c3"><td class="mdescLeft"> </td><td class="mdescRight">Writes out delta information to out in a user-defined format. <a href="#ae596a2c12886ef4c156114c6912366c3">More...</a><br /></td></tr>
	<tr class="separator:ae596a2c12886ef4c156114c6912366c3"><td class="memSeparator" colspan="2"> </td></tr>
	</table>
	<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
	<div class="textblock"><p>This interface is used for delta propagation. </p>
	<p>To use delta propagation, an application class must implement interfaces <code><a class="el" href="a00950.html" title="This interface is used for delta propagation.">IDelta</a></code> as well as <code><a class="el" href="a00934.html" title="An interface for objects whose contents can be serialized as primitive types.">IDataSerializable</a></code>. The <code><a class="el" href="a00950.html" title="This interface is used for delta propagation.">IDelta</a></code> interface methods <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a>, <a class="el" href="a00950.html#ae596a2c12886ef4c156114c6912366c3" title="Writes out delta information to out in a user-defined format.">ToDelta( )</a></code> and <code><a class="el" href="a00950.html#ac35842a6484aea9e011fbbf45d5f9481" title="Reads in delta information to this object in a user-defined format.">FromDelta( )</a></code> must be implemented by the class, as these methods are used by <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> to detect the presence of delta in an object, to serialize the delta, and to apply a serialized delta to an existing object of the class. If a customized cloning method is required, the class must also implement the interface <code>System.ICloneable</code>. To use cloning in delta propagation for a region, the region attribute for cloning must be enabled. </p>
	</div><h2 class="groupheader">Member Function Documentation</h2>
	<a id="ac35842a6484aea9e011fbbf45d5f9481"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#ac35842a6484aea9e011fbbf45d5f9481">◆ </a></span>FromDelta()</h2>

	<div class="memitem">
	<div class="memproto">
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	<td class="memname">void Apache::Geode::Client::IDelta::FromDelta </td>
	<td>(</td>
	<td class="paramtype"><a class="el" href="a00602.html">DataInput</a>^ </td>
	<td class="paramname"><em>in</em></td><td>)</td>
	<td></td>
	</tr>
	</table>
	</div><div class="memdoc">

	<p>Reads in delta information to this object in a user-defined format. </p>
	<p>This is invoked on an existing application object after <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> determines the presence of delta in <code><a class="el" href="a00602.html" title="Provides operations for reading primitive data values, byte arrays, strings, ISerializable objects fr...">DataInput</a></code> instance. </p>
	<dl class="exception"><dt>Exceptions</dt><dd>
	<table class="exception">
	<tr><td class="paramname">InvalidDeltaException</td><td>if the delta in the <code><a class="el" href="a00602.html" title="Provides operations for reading primitive data values, byte arrays, strings, ISerializable objects fr...">DataInput</a></code> instance cannot be applied to this instance (possible causes may include mismatch of Delta version or logic error). </td></tr>
	<tr><td class="paramname"><a class="el" href="a00726.html" title="Thrown when there is an input/output error.">GeodeIOException</a></td><td></td></tr>
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	</dd>
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	<h2 class="memtitle"><span class="permalink"><a href="#a9598787b15d0f633923f4dc8fde7194c">◆ </a></span>HasDelta()</h2>

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	<td class="memname">bool Apache::Geode::Client::IDelta::HasDelta </td>
	<td>(</td>
	<td class="paramname"></td><td>)</td>
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	<p><code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> is invoked by <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> during <code>Region.Put( ICacheableKey, ISerializable )</code> to determine if the object contains a delta. </p>
	<p>If <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> returns true, the delta in the object is serialized by invoking <code>ToDelta( DataOutput )</code>. If <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta( )</a></code> returns false, the object is serialized by invoking <code>ISerializable.ToData( DataOutput )</code>. </p>

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	<h2 class="memtitle"><span class="permalink"><a href="#ae596a2c12886ef4c156114c6912366c3">◆ </a></span>ToDelta()</h2>

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	<td class="memname">void Apache::Geode::Client::IDelta::ToDelta </td>
	<td>(</td>
	<td class="paramtype"><a class="el" href="a00606.html">DataOutput</a>^ </td>
	<td class="paramname"><em>out</em></td><td>)</td>
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	<p>Writes out delta information to out in a user-defined format. </p>
	<p>This is invoked on an application object after <a class="el" href="a00381.html" title="This namespace contains all the Geode .NET classes and utility classes.">Geode</a> determines the presence of delta in it by calling <code><a class="el" href="a00950.html#a9598787b15d0f633923f4dc8fde7194c" title="HasDelta( ) is invoked by Geode during Region.Put( ICacheableKey, ISerializable ) to determine if the...">HasDelta()</a></code> on the object. </p>
	<dl class="exception"><dt>Exceptions</dt><dd>
	<table class="exception">
	<tr><td class="paramname"><a class="el" href="a00726.html" title="Thrown when there is an input/output error.">GeodeIOException</a></td><td></td></tr>
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	</dd>
	</dl>

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	<HR><address style="align: right;"><small>Apache Geode C++ Cache .NET API Documentation</small></address>