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## org.apache.cassandra.locator
Class AbstractEndpointSnitch

    java.lang.Object
      org.apache.cassandra.locator.AbstractEndpointSnitch

All Implemented Interfaces:
  IEndpointSnitch

Direct Known Subclasses:
  AbstractNetworkTopologySnitch, DynamicEndpointSnitch, SimpleSnitch

    public abstract class AbstractEndpointSnitch

extends java.lang.Object
implements IEndpointSnitch

Constructor Summary
`AbstractEndpointSnitch()`

Method Summary
`abstract int` | `compareEndpoints(java.net.InetAddress target, java.net.InetAddress a1, java.net.InetAddress a2)` compares two endpoints in relation to the target endpoint, returning as Comparator.compare would
`java.util.List<java.net.InetAddress>` | `getSortedListByProximity(java.net.InetAddress address, java.util.Collection<java.net.InetAddress> unsortedAddress)` Sorts the `Collection` of node addresses by proximity to the given address
`void` | `gossiperStarting()` called after Gossiper instance exists immediately before it starts gossiping
`void` | `sortByProximity(java.net.InetAddress address, java.util.List<java.net.InetAddress> addresses)` Sorts the `List` of node addresses, in-place, by proximity to the given address

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.apache.cassandra.locator.IEndpointSnitch
`getDatacenter, getRack`

Constructor Detail

### AbstractEndpointSnitch

    public AbstractEndpointSnitch()

Method Detail

### compareEndpoints

    public abstract int compareEndpoints(java.net.InetAddress target,
                                         java.net.InetAddress a1,
                                         java.net.InetAddress a2)

  Description copied from interface: `IEndpointSnitch`
  compares two endpoints in relation to the target endpoint, returning as Comparator.compare would

  Specified by:
    `compareEndpoints` in interface `IEndpointSnitch`

### getSortedListByProximity

    public java.util.List<java.net.InetAddress> getSortedListByProximity(java.net.InetAddress address,
                                                                         java.util.Collection<java.net.InetAddress> unsortedAddress)

  Sorts the `Collection` of node addresses by proximity to the given address

  Specified by:
    `getSortedListByProximity` in interface `IEndpointSnitch`
  Parameters:
    `address` - the address to sort by proximity to
    `unsortedAddress` - the nodes to sort
  Returns:
    a new sorted `List`

### sortByProximity

    public void sortByProximity(java.net.InetAddress address,
                                java.util.List<java.net.InetAddress> addresses)

  Sorts the `List` of node addresses, in-place, by proximity to the given address

  Specified by:
    `sortByProximity` in interface `IEndpointSnitch`
  Parameters:
    `address` - the address to sort the proximity by
    `addresses` - the nodes to sort

### gossiperStarting

    public void gossiperStarting()

  Description copied from interface: `IEndpointSnitch`
  called after Gossiper instance exists immediately before it starts gossiping

  Specified by:
    `gossiperStarting` in interface `IEndpointSnitch`

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Copyright © 2013 The Apache Software Foundation