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| <div class="subTitle">org.apache.ignite.spi.failover.never</div> |
| <h2 title="Class NeverFailoverSpi" class="title">Class NeverFailoverSpi</h2> |
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| <li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html" title="class in org.apache.ignite.spi">org.apache.ignite.spi.IgniteSpiAdapter</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.ignite.spi.failover.never.NeverFailoverSpi</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/ignite/spi/failover/FailoverSpi.html" title="interface in org.apache.ignite.spi.failover">FailoverSpi</a>, <a href="../../../../../../org/apache/ignite/spi/failover/never/NeverFailoverSpiMBean.html" title="interface in org.apache.ignite.spi.failover.never">NeverFailoverSpiMBean</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html" title="interface in org.apache.ignite.spi">IgniteSpi</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html" title="interface in org.apache.ignite.spi">IgniteSpiManagementMBean</a></dd> |
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| <br> |
| <pre><a href="../../../../../../org/apache/ignite/spi/IgniteSpiMultipleInstancesSupport.html" title="annotation in org.apache.ignite.spi">@IgniteSpiMultipleInstancesSupport</a>(<a href="../../../../../../org/apache/ignite/spi/IgniteSpiMultipleInstancesSupport.html#value()">value</a>=true) |
| public class <span class="strong">NeverFailoverSpi</span> |
| extends <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html" title="class in org.apache.ignite.spi">IgniteSpiAdapter</a> |
| implements <a href="../../../../../../org/apache/ignite/spi/failover/FailoverSpi.html" title="interface in org.apache.ignite.spi.failover">FailoverSpi</a>, <a href="../../../../../../org/apache/ignite/spi/failover/never/NeverFailoverSpiMBean.html" title="interface in org.apache.ignite.spi.failover.never">NeverFailoverSpiMBean</a></pre> |
| <div class="block">This class provides failover SPI implementation that never fails over. This implementation |
| never fails over a failed job by always returning <code>null</code> out of |
| <a href="../../../../../../org/apache/ignite/spi/failover/FailoverSpi.html#failover(org.apache.ignite.spi.failover.FailoverContext, java.util.List)"><code>FailoverSpi.failover(org.apache.ignite.spi.failover.FailoverContext, List)</code></a> method. |
| <h1 class="header">Configuration</h1> |
| <h2 class="header">Mandatory</h2> |
| This SPI has no mandatory configuration parameters. |
| <h2 class="header">Optional</h2> |
| This SPI has no optional configuration parameters. |
| <p> |
| Here is a Java example on how to configure grid with <code>GridNeverFailoverSpi</code>: |
| <pre name="code" class="java"> |
| GridNeverFailoverSpi spi = new GridNeverFailoverSpi(); |
| |
| GridConfiguration cfg = new GridConfiguration(); |
| |
| // Override default failover SPI. |
| cfg.setFailoverSpiSpi(spi); |
| |
| // Starts grid. |
| G.start(cfg); |
| </pre> |
| Here is an example on how to configure grid with <code>GridNeverFailoverSpi</code> from Spring XML configuration file: |
| <pre name="code" class="xml"> |
| <property name="failoverSpi"> |
| <bean class="org.apache.ignite.spi.failover.never.GridNeverFailoverSpi"/> |
| </property> |
| </pre> |
| <p> |
| <img src="http://ignite.incubator.apache.org/images/spring-small.png"> |
| <br> |
| For information about Spring framework visit <a href="http://www.springframework.org/">www.springframework.org</a></div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../../org/apache/ignite/spi/failover/FailoverSpi.html" title="interface in org.apache.ignite.spi.failover"><code>FailoverSpi</code></a></dd></dl> |
| </li> |
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| <h3>Fields inherited from class org.apache.ignite.spi.<a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html" title="class in org.apache.ignite.spi">IgniteSpiAdapter</a></h3> |
| <code><a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#ignite">ignite</a></code></li> |
| </ul> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><strong><a href="../../../../../../org/apache/ignite/spi/failover/never/NeverFailoverSpi.html#NeverFailoverSpi()">NeverFailoverSpi</a></strong>()</code> </td> |
| </tr> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
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| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/failover/never/NeverFailoverSpi.html#failover(org.apache.ignite.spi.failover.FailoverContext, java.util.List)">failover</a></strong>(<a href="../../../../../../org/apache/ignite/spi/failover/FailoverContext.html" title="interface in org.apache.ignite.spi.failover">FailoverContext</a> ctx, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> top)</code> |
| <div class="block">This method is called when method <a href="../../../../../../org/apache/ignite/compute/ComputeTask.html#result(org.apache.ignite.compute.ComputeJobResult, java.util.List)"><code>ComputeTask.result(org.apache.ignite.compute.ComputeJobResult, List)</code></a> returns |
| value <a href="../../../../../../org/apache/ignite/compute/ComputeJobResultPolicy.html#FAILOVER"><code>ComputeJobResultPolicy.FAILOVER</code></a> policy indicating that the result of |
| job execution must be failed over.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/failover/never/NeverFailoverSpi.html#spiStart(java.lang.String)">spiStart</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> gridName)</code> |
| <div class="block">This method is called to start SPI.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/failover/never/NeverFailoverSpi.html#spiStop()">spiStop</a></strong>()</code> |
| <div class="block">This method is called to stop SPI.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/failover/never/NeverFailoverSpi.html#toString()">toString</a></strong>()</code></td> |
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| <h3>Methods inherited from class org.apache.ignite.spi.<a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html" title="class in org.apache.ignite.spi">IgniteSpiAdapter</a></h3> |
| <code><a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#assertParameter(boolean, java.lang.String)">assertParameter</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#checkConfigurationConsistency0(org.apache.ignite.spi.IgniteSpiContext, org.apache.ignite.cluster.ClusterNode, boolean)">checkConfigurationConsistency0</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#configInfo(java.lang.String, java.lang.Object)">configInfo</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#createSpiAttributeName(java.lang.String)">createSpiAttributeName</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getConsistentAttributeNames()">getConsistentAttributeNames</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getExceptionRegistry()">getExceptionRegistry</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getIgniteHome()">getIgniteHome</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getLocalNodeId()">getLocalNodeId</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getName()">getName</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getNodeAttributes()">getNodeAttributes</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getSpiContext()">getSpiContext</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getStartTimestamp()">getStartTimestamp</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getStartTimestampFormatted()">getStartTimestampFormatted</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getUpTime()">getUpTime</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#getUpTimeFormatted()">getUpTimeFormatted</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#injectables()">injectables</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#onContextDestroyed()">onContextDestroyed</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#onContextDestroyed0()">onContextDestroyed0</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#onContextInitialized(org.apache.ignite.spi.IgniteSpiContext)">onContextInitialized</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#onContextInitialized0(org.apache.ignite.spi.IgniteSpiContext)">onContextInitialized0</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#registerMBean(java.lang.String, T, java.lang.Class)">registerMBean</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#setName(java.lang.String)">setName</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#startInfo()">startInfo</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#startStopwatch()">startStopwatch</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#stopInfo()">stopInfo</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiAdapter.html#unregisterMBean()">unregisterMBean</a></code></li> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li> |
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| <h3>Methods inherited from interface org.apache.ignite.spi.<a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html" title="interface in org.apache.ignite.spi">IgniteSpi</a></h3> |
| <code><a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html#getName()">getName</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html#getNodeAttributes()">getNodeAttributes</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html#onContextDestroyed()">onContextDestroyed</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html#onContextInitialized(org.apache.ignite.spi.IgniteSpiContext)">onContextInitialized</a></code></li> |
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| <h3>Methods inherited from interface org.apache.ignite.spi.<a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html" title="interface in org.apache.ignite.spi">IgniteSpiManagementMBean</a></h3> |
| <code><a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html#getIgniteHome()">getIgniteHome</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html#getLocalNodeId()">getLocalNodeId</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html#getName()">getName</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html#getStartTimestamp()">getStartTimestamp</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html#getStartTimestampFormatted()">getStartTimestampFormatted</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html#getUpTime()">getUpTime</a>, <a href="../../../../../../org/apache/ignite/spi/IgniteSpiManagementMBean.html#getUpTimeFormatted()">getUpTimeFormatted</a></code></li> |
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| <h3>Constructor Detail</h3> |
| <a name="NeverFailoverSpi()"> |
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| <h4>NeverFailoverSpi</h4> |
| <pre>public NeverFailoverSpi()</pre> |
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| <a name="spiStart(java.lang.String)"> |
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| <h4>spiStart</h4> |
| <pre>public void spiStart(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> gridName) |
| throws <a href="../../../../../../org/apache/ignite/spi/IgniteSpiException.html" title="class in org.apache.ignite.spi">IgniteSpiException</a></pre> |
| <div class="block">This method is called to start SPI. After this method returns |
| successfully kernel assumes that SPI is fully operational.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html#spiStart(java.lang.String)">spiStart</a></code> in interface <code><a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html" title="interface in org.apache.ignite.spi">IgniteSpi</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>gridName</code> - Name of grid instance this SPI is being started for |
| (<code>null</code> for default grid).</dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/spi/IgniteSpiException.html" title="class in org.apache.ignite.spi">IgniteSpiException</a></code> - Throws in case of any error during SPI start.</dd></dl> |
| </li> |
| </ul> |
| <a name="spiStop()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>spiStop</h4> |
| <pre>public void spiStop() |
| throws <a href="../../../../../../org/apache/ignite/spi/IgniteSpiException.html" title="class in org.apache.ignite.spi">IgniteSpiException</a></pre> |
| <div class="block">This method is called to stop SPI. After this method returns kernel |
| assumes that this SPI is finished and all resources acquired by it |
| are released. |
| <p> |
| <b> |
| Note that this method can be called at any point including during |
| recovery of failed start. It should make no assumptions on what state SPI |
| will be in when this method is called. |
| </b></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html#spiStop()">spiStop</a></code> in interface <code><a href="../../../../../../org/apache/ignite/spi/IgniteSpi.html" title="interface in org.apache.ignite.spi">IgniteSpi</a></code></dd> |
| <dt><span class="strong">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/spi/IgniteSpiException.html" title="class in org.apache.ignite.spi">IgniteSpiException</a></code> - Thrown in case of any error during SPI stop.</dd></dl> |
| </li> |
| </ul> |
| <a name="failover(org.apache.ignite.spi.failover.FailoverContext, java.util.List)"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>failover</h4> |
| <pre>public <a href="../../../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a> failover(<a href="../../../../../../org/apache/ignite/spi/failover/FailoverContext.html" title="interface in org.apache.ignite.spi.failover">FailoverContext</a> ctx, |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><span class='angle_bracket'><</span><a href="../../../../../../org/apache/ignite/cluster/ClusterNode.html" title="interface in org.apache.ignite.cluster">ClusterNode</a><span class='angle_bracket'>></span> top)</pre> |
| <div class="block">This method is called when method <a href="../../../../../../org/apache/ignite/compute/ComputeTask.html#result(org.apache.ignite.compute.ComputeJobResult, java.util.List)"><code>ComputeTask.result(org.apache.ignite.compute.ComputeJobResult, List)</code></a> returns |
| value <a href="../../../../../../org/apache/ignite/compute/ComputeJobResultPolicy.html#FAILOVER"><code>ComputeJobResultPolicy.FAILOVER</code></a> policy indicating that the result of |
| job execution must be failed over. Implementation of this method should examine failover |
| context and choose one of the grid nodes from supplied <code>topology</code> to retry job execution |
| on it. For best performance it is advised that <a href="../../../../../../org/apache/ignite/spi/failover/FailoverContext.html#getBalancedNode(java.util.List)"><code>FailoverContext.getBalancedNode(List)</code></a> |
| method is used to select node for execution of failed job.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/spi/failover/FailoverSpi.html#failover(org.apache.ignite.spi.failover.FailoverContext, java.util.List)">failover</a></code> in interface <code><a href="../../../../../../org/apache/ignite/spi/failover/FailoverSpi.html" title="interface in org.apache.ignite.spi.failover">FailoverSpi</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>ctx</code> - Failover context.</dd><dd><code>top</code> - Collection of all grid nodes within task topology (may include failed node).</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>New node to route this job to or <code>null</code> if new node cannot be picked. |
| If job failover fails (returns <code>null</code>) the whole task will be failed.</dd></dl> |
| </li> |
| </ul> |
| <a name="toString()"> |
| <!-- --> |
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| <h4>toString</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <dl> |
| <dt><strong>Overrides:</strong></dt> |
| <dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
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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://incubator.apache.org/projects/ignite.html"><nobr>2015 Copyright © 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> <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> </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>Apache Ignite Fabric</b> </td> <td>: ver. <strong>1.0.0-RC3</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: March 24 2015 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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