com.netflix.astyanax.connectionpool.impl
Interface Topology<CL>

All Known Implementing Classes:

AbstractTopology, TokenPartitionedTopology

public interface Topology<CL>

Method Summary

void	addPool(HostConnectionPool<CL> pool) Add a pool without knowing its token.
TokenHostConnectionPoolPartition<CL>	getAllPools() Return a partition that represents all hosts in the ring
TokenHostConnectionPoolPartition<CL>	getPartition(java.nio.ByteBuffer rowkey) Get the partition best suited to handle a row key
TokenHostConnectionPoolPartition<CL>	getPartition(java.lang.String token) Return the partition for a specific token
int	getPartitionCount()
java.util.List<java.lang.String>	getPartitionNames()
java.util.Map<java.lang.String,TokenHostConnectionPoolPartition<CL>>	getPartitions()
void	refresh() Refresh the internal state and apply the latency score strategy
void	removePool(HostConnectionPool<CL> pool) Remove this pool from all partitions
void	resumePool(HostConnectionPool<CL> pool) Resume a host that was previously down
boolean	setPools(java.util.Collection<HostConnectionPool<CL>> ring) Refresh the internal topology structure
void	suspendPool(HostConnectionPool<CL> pool) Suspend a host that is down

Method Detail

setPools

boolean setPools(java.util.Collection<HostConnectionPool<CL>> ring)

Refresh the internal topology structure

Parameters:

ring -

Returns:

True if anything changed in the internal state

addPool

void addPool(HostConnectionPool<CL> pool)

Add a pool without knowing its token. This pool will be added to the all pools partition only

Parameters:

pool -

removePool

void removePool(HostConnectionPool<CL> pool)

Remove this pool from all partitions

Parameters:

pool -

resumePool

void resumePool(HostConnectionPool<CL> pool)

Resume a host that was previously down

Parameters:

pool -

suspendPool

void suspendPool(HostConnectionPool<CL> pool)

Suspend a host that is down

Parameters:

pool -

refresh

void refresh()

Refresh the internal state and apply the latency score strategy

getPartition

TokenHostConnectionPoolPartition<CL> getPartition(java.nio.ByteBuffer rowkey)

Get the partition best suited to handle a row key

Parameters:

token -

getAllPools

TokenHostConnectionPoolPartition<CL> getAllPools()

Return a partition that represents all hosts in the ring

getPartitionCount

int getPartitionCount()

Returns:

Get total number of tokens in the topology

getPartitionNames

java.util.List<java.lang.String> getPartitionNames()

Returns:

Return a list of all unqiue ids or first token for partitions in the topology

getPartitions

java.util.Map<java.lang.String,TokenHostConnectionPoolPartition<CL>> getPartitions()

Returns:

Return a mapping of partition ids to partition details

getPartition

TokenHostConnectionPoolPartition<CL> getPartition(java.lang.String token)

Return the partition for a specific token

Parameters:

token -