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| <h2 title="Interface ElectionHandler" class="title">Interface ElectionHandler</h2> |
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| <pre>public interface <span class="strong">ElectionHandler</span></pre> |
| <div class="block">Handles events of election/un-election of leader.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/twill/api/ElectionHandler.html#follower()">follower</a></strong>()</code> |
| <div class="block">This method will get invoked when a participant is a follower in a |
| leader election process.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/twill/api/ElectionHandler.html#leader()">leader</a></strong>()</code> |
| <div class="block">This method will get invoked when a participant becomes a leader in a |
| leader election process.</div> |
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| <h4>leader</h4> |
| <pre>void leader()</pre> |
| <div class="block">This method will get invoked when a participant becomes a leader in a |
| leader election process. It is guaranteed that this method won't get called |
| consecutively (i.e. called twice or more in a row).</div> |
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| <pre>void follower()</pre> |
| <div class="block">This method will get invoked when a participant is a follower in a |
| leader election process. This method might get called multiple times without |
| the <a href="../../../../org/apache/twill/api/ElectionHandler.html#leader()"><code>leader()</code></a> method being called.</div> |
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