org.apache.cassandra.locator
Class AbstractEndpointSnitch
java.lang.Object
org.apache.cassandra.locator.AbstractEndpointSnitch
- All Implemented Interfaces:
- IEndpointSnitch
- Direct Known Subclasses:
- AbstractRackAwareSnitch, DynamicEndpointSnitch, SimpleSnitch
public abstract class AbstractEndpointSnitch
- extends java.lang.Object
- implements IEndpointSnitch
Method Summary |
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 |
abstract java.util.List<java.net.InetAddress> |
getSortedListByProximity(java.net.InetAddress address,
java.util.Collection<java.net.InetAddress> unsortedAddress)
returns a new List sorted by proximity to the given endpoint |
protected void |
invalidateCachedSnitchValues()
|
void |
register(AbstractReplicationStrategy subscriber)
register to receive notification when the endpoint snitch has changed the answers it was providing. |
abstract java.util.List<java.net.InetAddress> |
sortByProximity(java.net.InetAddress address,
java.util.List<java.net.InetAddress> addresses)
This method will sort the List by proximity to the given address. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
subscribers
protected java.util.List<AbstractReplicationStrategy> subscribers
AbstractEndpointSnitch
public AbstractEndpointSnitch()
register
public void register(AbstractReplicationStrategy subscriber)
- Description copied from interface:
IEndpointSnitch
- register to receive notification when the endpoint snitch has changed the answers it was providing.
- Specified by:
register
in interface IEndpointSnitch
- Parameters:
subscriber
- the subscriber to notify
invalidateCachedSnitchValues
protected void invalidateCachedSnitchValues()
getSortedListByProximity
public abstract java.util.List<java.net.InetAddress> getSortedListByProximity(java.net.InetAddress address,
java.util.Collection<java.net.InetAddress> unsortedAddress)
- Description copied from interface:
IEndpointSnitch
- returns a new List sorted by proximity to the given endpoint
- Specified by:
getSortedListByProximity
in interface IEndpointSnitch
sortByProximity
public abstract java.util.List<java.net.InetAddress> sortByProximity(java.net.InetAddress address,
java.util.List<java.net.InetAddress> addresses)
- Description copied from interface:
IEndpointSnitch
- This method will sort the List by proximity to the given address.
- Specified by:
sortByProximity
in interface IEndpointSnitch
compareEndpoints
public 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
Copyright © 2010 The Apache Software Foundation