re-organize endpointsnitch implementations
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Key: CASSANDRA-994
URL: https://issues.apache.org/jira/browse/CASSANDRA-994
Project: Cassandra
Issue Type: Task
Reporter: Jonathan Ellis
Fix For: 0.7
I think the EPS implementations should look like this:
IEndPointSnitch: rename to IEndpointSnitch (lowercase P), otherwise fine as it
is
SimpleSnitch: new default snitch. Implement IEPS directly, with sorting as
no-ops.
AbstractEndpointSnitch: rename to AbstractRackAwareSnitch; replace isOnSameRack
and isInSameDataCenter with getRack and getDatacenter (replacing getLocation).
EndPointSnitch: rename to RackInferringSnitch
PropertyFileEndpointSnitch: rename to PropertyFileSnitch, move from contrib to
src
DatacenterEndpointSnitch: remove (redundant wrt PFS). "quorum factor per DC"
needs to go in the ReplicationStrategy, not the snitch.
The patch sequence looks like:
01: perform renames of IEPS, AES, EPS, and PFES
02: add SS and make method changes to ARAS [was AES]
Separate ticket: DatacenterReplicationStrategy code changes
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