cassandra-server
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A thin Javascript wrapper around Apache Cassandra to provide out of the box server support
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<h2 title="Interface IAsyncCallback" class="title">Interface IAsyncCallback<T></h2>
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<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../org/apache/cassandra/net/IAsyncCallbackWithFailure.html" title="interface in org.apache.cassandra.net">IAsyncCallbackWithFailure</a><T></dd>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../org/apache/cassandra/service/paxos/AbstractPaxosCallback.html" title="class in org.apache.cassandra.service.paxos">AbstractPaxosCallback</a>, <a href="../../../../org/apache/cassandra/service/AbstractWriteResponseHandler.html" title="class in org.apache.cassandra.service">AbstractWriteResponseHandler</a>, <a href="../../../../org/apache/cassandra/net/AsyncOneResponse.html" title="class in org.apache.cassandra.net">AsyncOneResponse</a>, <a href="../../../../org/apache/cassandra/service/AsyncRepairCallback.html" title="class in org.apache.cassandra.service">AsyncRepairCallback</a>, <a href="../../../../org/apache/cassandra/service/DatacenterSyncWriteResponseHandler.html" title="class in org.apache.cassandra.service">DatacenterSyncWriteResponseHandler</a>, <a href="../../../../org/apache/cassandra/service/DatacenterWriteResponseHandler.html" title="class in org.apache.cassandra.service">DatacenterWriteResponseHandler</a>, <a href="../../../../org/apache/cassandra/service/paxos/PrepareCallback.html" title="class in org.apache.cassandra.service.paxos">PrepareCallback</a>, <a href="../../../../org/apache/cassandra/service/paxos/ProposeCallback.html" title="class in org.apache.cassandra.service.paxos">ProposeCallback</a>, <a href="../../../../org/apache/cassandra/service/ReadCallback.html" title="class in org.apache.cassandra.service">ReadCallback</a>, <a href="../../../../org/apache/cassandra/service/TruncateResponseHandler.html" title="class in org.apache.cassandra.service">TruncateResponseHandler</a>, <a href="../../../../org/apache/cassandra/service/WriteResponseHandler.html" title="class in org.apache.cassandra.service">WriteResponseHandler</a></dd>
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<pre>public interface <span class="strong">IAsyncCallback<T></span></pre>
<div class="block">implementors of IAsyncCallback need to make sure that any public methods
are threadsafe with respect to response() being called from the message
service. In particular, if any shared state is referenced, making
response alone synchronized will not suffice.</div>
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<td class="colFirst"><code>static com.google.common.base.Predicate<java.net.InetAddress></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/net/IAsyncCallback.html#isAlive">isAlive</a></strong></code> </td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/net/IAsyncCallback.html#isLatencyForSnitch()">isLatencyForSnitch</a></strong>()</code> </td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/net/IAsyncCallback.html#response(org.apache.cassandra.net.MessageIn)">response</a></strong>(<a href="../../../../org/apache/cassandra/net/MessageIn.html" title="class in org.apache.cassandra.net">MessageIn</a><<a href="../../../../org/apache/cassandra/net/IAsyncCallback.html" title="type parameter in IAsyncCallback">T</a>> msg)</code> </td>
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<h4>isAlive</h4>
<pre>static final com.google.common.base.Predicate<java.net.InetAddress> isAlive</pre>
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<h4>response</h4>
<pre>void response(<a href="../../../../org/apache/cassandra/net/MessageIn.html" title="class in org.apache.cassandra.net">MessageIn</a><<a href="../../../../org/apache/cassandra/net/IAsyncCallback.html" title="type parameter in IAsyncCallback">T</a>> msg)</pre>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>msg</code> - response received.</dd></dl>
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<h4>isLatencyForSnitch</h4>
<pre>boolean isLatencyForSnitch()</pre>
<dl><dt><span class="strong">Returns:</span></dt><dd>true if this callback is on the read path and its latency should be
given as input to the dynamic snitch.</dd></dl>
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