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| <div class="subTitle">org.apache.ignite.spi.collision.noop</div> |
| <h2 title="Class NoopCollisionSpi" class="title">Class NoopCollisionSpi</h2> |
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| <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.collision.noop.NoopCollisionSpi</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/ignite/spi/collision/CollisionSpi.html" title="interface in org.apache.ignite.spi.collision">CollisionSpi</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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| <pre><a href="../../../../../../org/apache/ignite/spi/IgniteSpiNoop.html" title="annotation in org.apache.ignite.spi">@IgniteSpiNoop</a> |
| <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">NoopCollisionSpi</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/collision/CollisionSpi.html" title="interface in org.apache.ignite.spi.collision">CollisionSpi</a></pre> |
| <div class="block">No-op implementation of <a href="../../../../../../org/apache/ignite/spi/collision/CollisionSpi.html" title="interface in org.apache.ignite.spi.collision"><code>CollisionSpi</code></a>. This is default implementation |
| since <code>4.5.0</code> version. When grid is started with <a href="../../../../../../org/apache/ignite/spi/collision/noop/NoopCollisionSpi.html" title="class in org.apache.ignite.spi.collision.noop"><code>NoopCollisionSpi</code></a> |
| jobs are activated immediately on arrival to mapped node. This approach suits well |
| for large amount of small jobs (which is a wide-spread use case). User still can |
| control the number of concurrent jobs by setting maximum thread pool size defined |
| by <a href="../../../../../../org/apache/ignite/configuration/IgniteConfiguration.html#getPublicThreadPoolSize()"><code>IgniteConfiguration.getPublicThreadPoolSize()</code></a> configuration property.</div> |
| </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> |
| </li> |
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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/collision/noop/NoopCollisionSpi.html#NoopCollisionSpi()">NoopCollisionSpi</a></strong>()</code> </td> |
| </tr> |
| </table> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/collision/noop/NoopCollisionSpi.html#onCollision(org.apache.ignite.spi.collision.CollisionContext)">onCollision</a></strong>(<a href="../../../../../../org/apache/ignite/spi/collision/CollisionContext.html" title="interface in org.apache.ignite.spi.collision">CollisionContext</a> ctx)</code> |
| <div class="block">This is a callback called when either new grid job arrived or executing job finished its |
| execution.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/collision/noop/NoopCollisionSpi.html#setExternalCollisionListener(org.apache.ignite.spi.collision.CollisionExternalListener)">setExternalCollisionListener</a></strong>(<a href="../../../../../../org/apache/ignite/spi/collision/CollisionExternalListener.html" title="interface in org.apache.ignite.spi.collision">CollisionExternalListener</a> lsnr)</code> |
| <div class="block">Listener to be set for notification of external collision events (e.g. job stealing).</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/collision/noop/NoopCollisionSpi.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="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../../org/apache/ignite/spi/collision/noop/NoopCollisionSpi.html#spiStop()">spiStop</a></strong>()</code> |
| <div class="block">This method is called to stop SPI.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <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/collision/noop/NoopCollisionSpi.html#toString()">toString</a></strong>()</code></td> |
| </tr> |
| </table> |
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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> |
| </ul> |
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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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| </a> |
| <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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor_detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="NoopCollisionSpi()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>NoopCollisionSpi</h4> |
| <pre>public NoopCollisionSpi()</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <li class="blockList"><a name="method_detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="spiStart(java.lang.String)"> |
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| <h4>spiStart</h4> |
| <pre>public void spiStart(@Nullable |
| <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()"> |
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| <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="onCollision(org.apache.ignite.spi.collision.CollisionContext)"> |
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| </a> |
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| <h4>onCollision</h4> |
| <pre>public void onCollision(<a href="../../../../../../org/apache/ignite/spi/collision/CollisionContext.html" title="interface in org.apache.ignite.spi.collision">CollisionContext</a> ctx)</pre> |
| <div class="block">This is a callback called when either new grid job arrived or executing job finished its |
| execution. When new job arrives it is added to the end of the wait list and this |
| method is called. When job finished its execution, it is removed from the active list and |
| this method is called (i.e., when grid job is finished it will not appear in any list |
| in collision resolution). |
| <p> |
| Implementation of this method should act on all lists, each of which contains collision |
| job contexts that define a set of operations available during collision resolution. Refer |
| to <a href="../../../../../../org/apache/ignite/spi/collision/CollisionContext.html" title="interface in org.apache.ignite.spi.collision"><code>CollisionContext</code></a> and <a href="../../../../../../org/apache/ignite/spi/collision/CollisionJobContext.html" title="interface in org.apache.ignite.spi.collision"><code>CollisionJobContext</code></a> documentation for |
| more information.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/spi/collision/CollisionSpi.html#onCollision(org.apache.ignite.spi.collision.CollisionContext)">onCollision</a></code> in interface <code><a href="../../../../../../org/apache/ignite/spi/collision/CollisionSpi.html" title="interface in org.apache.ignite.spi.collision">CollisionSpi</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>ctx</code> - Collision context which contains all collision lists.</dd></dl> |
| </li> |
| </ul> |
| <a name="setExternalCollisionListener(org.apache.ignite.spi.collision.CollisionExternalListener)"> |
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| </a> |
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| <h4>setExternalCollisionListener</h4> |
| <pre>public void setExternalCollisionListener(@Nullable |
| <a href="../../../../../../org/apache/ignite/spi/collision/CollisionExternalListener.html" title="interface in org.apache.ignite.spi.collision">CollisionExternalListener</a> lsnr)</pre> |
| <div class="block">Listener to be set for notification of external collision events (e.g. job stealing). |
| Once grid receives such notification, it will immediately invoke collision SPI. |
| <p> |
| Ignite uses this listener to enable job stealing from overloaded to underloaded nodes. |
| However, you can also utilize it, for instance, to provide time based collision |
| resolution. To achieve this, you most likely would mark some job by setting a certain |
| attribute in job context (see <a href="../../../../../../org/apache/ignite/compute/ComputeJobContext.html" title="interface in org.apache.ignite.compute"><code>ComputeJobContext</code></a>) for a job that requires |
| time-based scheduling and set some timer in your SPI implementation that would wake up |
| after a certain period of time. Once this period is reached, you would notify this |
| listener that a collision resolution should take place. Then inside of your collision |
| resolution logic, you would find the marked waiting job and activate it. |
| <p> |
| Note that most collision SPI's might not have external collisions. In that case, |
| they should simply ignore this method and do nothing when listener is set.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../../../org/apache/ignite/spi/collision/CollisionSpi.html#setExternalCollisionListener(org.apache.ignite.spi.collision.CollisionExternalListener)">setExternalCollisionListener</a></code> in interface <code><a href="../../../../../../org/apache/ignite/spi/collision/CollisionSpi.html" title="interface in org.apache.ignite.spi.collision">CollisionSpi</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>lsnr</code> - Listener for external collision events.</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> |
| </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://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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