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java.lang.Objectorg.apache.cassandra.locator.AbstractEndpointSnitch
org.apache.cassandra.locator.AbstractNetworkTopologySnitch
public abstract class AbstractNetworkTopologySnitch
An endpoint snitch tells Cassandra information about network topology that it can use to route requests more efficiently.
| Constructor Summary | |
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AbstractNetworkTopologySnitch()
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| Method Summary | |
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int |
compareEndpoints(java.net.InetAddress address,
java.net.InetAddress a1,
java.net.InetAddress a2)
compares two endpoints in relation to the target endpoint, returning as Comparator.compare would |
abstract java.lang.String |
getDatacenter(java.net.InetAddress endpoint)
Return the data center for which an endpoint resides in |
abstract java.lang.String |
getRack(java.net.InetAddress endpoint)
Return the rack for which an endpoint resides in |
java.util.List<java.net.InetAddress> |
getSortedListByProximity(java.net.InetAddress address,
java.util.Collection<java.net.InetAddress> addresses)
Sorts the Collection of node addresses by proximity to the given address |
void |
sortByProximity(java.net.InetAddress address,
java.util.List<java.net.InetAddress> addresses)
Sorts the List of node addresses by proximity to the given address |
| Methods inherited from class org.apache.cassandra.locator.AbstractEndpointSnitch |
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gossiperStarting |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public AbstractNetworkTopologySnitch()
| Method Detail |
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public abstract java.lang.String getRack(java.net.InetAddress endpoint)
endpoint - a specified endpoint
java.net.UnknownHostExceptionpublic abstract java.lang.String getDatacenter(java.net.InetAddress endpoint)
endpoint - a specified endpoint
java.net.UnknownHostException
public java.util.List<java.net.InetAddress> getSortedListByProximity(java.net.InetAddress address,
java.util.Collection<java.net.InetAddress> addresses)
getSortedListByProximity in interface IEndpointSnitchgetSortedListByProximity in class AbstractEndpointSnitchaddress - the address to sort by proximity toaddresses - the nodes to sort
public void sortByProximity(java.net.InetAddress address,
java.util.List<java.net.InetAddress> addresses)
sortByProximity in interface IEndpointSnitchsortByProximity in class AbstractEndpointSnitchaddress - the address to sort the proximity byaddresses - the nodes to sort
public int compareEndpoints(java.net.InetAddress address,
java.net.InetAddress a1,
java.net.InetAddress a2)
IEndpointSnitch
compareEndpoints in interface IEndpointSnitchcompareEndpoints in class AbstractEndpointSnitch
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