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="Class AbstractEndpointSnitch" class="title">Class AbstractEndpointSnitch</h2>
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<li>java.lang.Object</li>
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<li>org.apache.cassandra.locator.AbstractEndpointSnitch</li>
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<dd><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></dd>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../org/apache/cassandra/locator/AbstractNetworkTopologySnitch.html" title="class in org.apache.cassandra.locator">AbstractNetworkTopologySnitch</a>, <a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html" title="class in org.apache.cassandra.locator">DynamicEndpointSnitch</a>, <a href="../../../../org/apache/cassandra/locator/SimpleSnitch.html" title="class in org.apache.cassandra.locator">SimpleSnitch</a></dd>
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<pre>public abstract class <span class="strong">AbstractEndpointSnitch</span>
extends java.lang.Object
implements <a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></pre>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#AbstractEndpointSnitch()">AbstractEndpointSnitch</a></strong>()</code> </td>
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<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#compareEndpoints(java.net.InetAddress,%20java.net.InetAddress,%20java.net.InetAddress)">compareEndpoints</a></strong>(java.net.InetAddress target,
java.net.InetAddress a1,
java.net.InetAddress a2)</code>
<div class="block">compares two endpoints in relation to the target endpoint, returning as Comparator.compare would</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.util.List<java.net.InetAddress></code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#getSortedListByProximity(java.net.InetAddress,%20java.util.Collection)">getSortedListByProximity</a></strong>(java.net.InetAddress address,
java.util.Collection<java.net.InetAddress> unsortedAddress)</code>
<div class="block">Sorts the <tt>Collection</tt> of node addresses by proximity to the given address</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#gossiperStarting()">gossiperStarting</a></strong>()</code>
<div class="block">called after Gossiper instance exists immediately before it starts gossiping</div>
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<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#isWorthMergingForRangeQuery(java.util.List,%20java.util.List,%20java.util.List)">isWorthMergingForRangeQuery</a></strong>(java.util.List<java.net.InetAddress> merged,
java.util.List<java.net.InetAddress> l1,
java.util.List<java.net.InetAddress> l2)</code>
<div class="block">Returns whether for a range query doing a query against merged is likely
to be faster than 2 sequential queries, one against l1 followed by one against l2.</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#sortByProximity(java.net.InetAddress,%20java.util.List)">sortByProximity</a></strong>(java.net.InetAddress address,
java.util.List<java.net.InetAddress> addresses)</code>
<div class="block">Sorts the <tt>List</tt> of node addresses, in-place, by proximity to the given address</div>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Methods inherited from interface org.apache.cassandra.locator.<a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></h3>
<code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getDatacenter(java.net.InetAddress)">getDatacenter</a>, <a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getRack(java.net.InetAddress)">getRack</a></code></li>
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<h3>Constructor Detail</h3>
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<h4>AbstractEndpointSnitch</h4>
<pre>public AbstractEndpointSnitch()</pre>
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<h3>Method Detail</h3>
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<h4>compareEndpoints</h4>
<pre>public abstract int compareEndpoints(java.net.InetAddress target,
java.net.InetAddress a1,
java.net.InetAddress a2)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#compareEndpoints(java.net.InetAddress,%20java.net.InetAddress,%20java.net.InetAddress)">IEndpointSnitch</a></code></strong></div>
<div class="block">compares two endpoints in relation to the target endpoint, returning as Comparator.compare would</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#compareEndpoints(java.net.InetAddress,%20java.net.InetAddress,%20java.net.InetAddress)">compareEndpoints</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd>
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<a name="getSortedListByProximity(java.net.InetAddress, java.util.Collection)">
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<h4>getSortedListByProximity</h4>
<pre>public java.util.List<java.net.InetAddress> getSortedListByProximity(java.net.InetAddress address,
java.util.Collection<java.net.InetAddress> unsortedAddress)</pre>
<div class="block">Sorts the <tt>Collection</tt> of node addresses by proximity to the given address</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getSortedListByProximity(java.net.InetAddress,%20java.util.Collection)">getSortedListByProximity</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>address</code> - the address to sort by proximity to</dd><dd><code>unsortedAddress</code> - the nodes to sort</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new sorted <tt>List</tt></dd></dl>
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<h4>sortByProximity</h4>
<pre>public void sortByProximity(java.net.InetAddress address,
java.util.List<java.net.InetAddress> addresses)</pre>
<div class="block">Sorts the <tt>List</tt> of node addresses, in-place, by proximity to the given address</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#sortByProximity(java.net.InetAddress,%20java.util.List)">sortByProximity</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>address</code> - the address to sort the proximity by</dd><dd><code>addresses</code> - the nodes to sort</dd></dl>
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<a name="gossiperStarting()">
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<h4>gossiperStarting</h4>
<pre>public void gossiperStarting()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#gossiperStarting()">IEndpointSnitch</a></code></strong></div>
<div class="block">called after Gossiper instance exists immediately before it starts gossiping</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#gossiperStarting()">gossiperStarting</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd>
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<h4>isWorthMergingForRangeQuery</h4>
<pre>public boolean isWorthMergingForRangeQuery(java.util.List<java.net.InetAddress> merged,
java.util.List<java.net.InetAddress> l1,
java.util.List<java.net.InetAddress> l2)</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#isWorthMergingForRangeQuery(java.util.List,%20java.util.List,%20java.util.List)">IEndpointSnitch</a></code></strong></div>
<div class="block">Returns whether for a range query doing a query against merged is likely
to be faster than 2 sequential queries, one against l1 followed by one against l2.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#isWorthMergingForRangeQuery(java.util.List,%20java.util.List,%20java.util.List)">isWorthMergingForRangeQuery</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd>
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