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<h2 title="Interface DiscoverySpiDataExchange" class="title">Interface DiscoverySpiDataExchange</h2>
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<pre>public interface <span class="strong">DiscoverySpiDataExchange</span></pre>
<div class="block">Handler for initial data exchange between Ignite nodes. Data exchange
is initiated by a new node when it tries to join topology and finishes
before it actually joins.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/ignite/spi/discovery/DiscoveryDataBag.html" title="class in org.apache.ignite.spi.discovery">DiscoveryDataBag</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/spi/discovery/DiscoverySpiDataExchange.html#collect(org.apache.ignite.spi.discovery.DiscoveryDataBag)">collect</a></strong>(<a href="../../../../../org/apache/ignite/spi/discovery/DiscoveryDataBag.html" title="class in org.apache.ignite.spi.discovery">DiscoveryDataBag</a>&nbsp;dataBag)</code>
<div class="block">Collects data from all components.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/ignite/spi/discovery/DiscoverySpiDataExchange.html#onExchange(org.apache.ignite.spi.discovery.DiscoveryDataBag)">onExchange</a></strong>(<a href="../../../../../org/apache/ignite/spi/discovery/DiscoveryDataBag.html" title="class in org.apache.ignite.spi.discovery">DiscoveryDataBag</a>&nbsp;dataBag)</code>
<div class="block">Notifies discovery manager about data received from remote node.</div>
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<h4>collect</h4>
<pre><a href="../../../../../org/apache/ignite/spi/discovery/DiscoveryDataBag.html" title="class in org.apache.ignite.spi.discovery">DiscoveryDataBag</a>&nbsp;collect(<a href="../../../../../org/apache/ignite/spi/discovery/DiscoveryDataBag.html" title="class in org.apache.ignite.spi.discovery">DiscoveryDataBag</a>&nbsp;dataBag)</pre>
<div class="block">Collects data from all components. This method is called both
on new node that joins topology to transfer its data to existing
nodes and on all existing nodes to transfer their data to new node.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dataBag</code> - <a href="../../../../../org/apache/ignite/spi/discovery/DiscoveryDataBag.html" title="class in org.apache.ignite.spi.discovery"><code>DiscoveryDataBag</code></a> object managing discovery data during node joining process.</dd></dl>
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<h4>onExchange</h4>
<pre>void&nbsp;onExchange(<a href="../../../../../org/apache/ignite/spi/discovery/DiscoveryDataBag.html" title="class in org.apache.ignite.spi.discovery">DiscoveryDataBag</a>&nbsp;dataBag)</pre>
<div class="block">Notifies discovery manager about data received from remote node.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>dataBag</code> - Collection of discovery data objects from different components.</dd></dl>
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<p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2017 Copyright &#169; Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Fabric</b> </td> <td>:&nbsp;&nbsp; ver. <strong>2.0.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>:&nbsp;&nbsp; April 30 2017 </td> </tr> </tbody> </table> </td> </tr> </table></small></p>
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