com.netflix.astyanax.connectionpool.impl
Class AbstractTopology<CL>

java.lang.Object
  com.netflix.astyanax.connectionpool.impl.AbstractTopology<CL>

All Implemented Interfaces:

Topology<CL>

public class AbstractTopology<CL>
extends java.lang.Object
implements Topology<CL>

Constructor Summary

AbstractTopology(LatencyScoreStrategy strategy)

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractTopology

public AbstractTopology(LatencyScoreStrategy strategy)

Method Detail

setPools

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

Description copied from interface: Topology

Refresh the internal topology structure

Specified by:

setPools in interface Topology<CL>

Returns:

True if anything changed in the internal state

resumePool

public void resumePool(HostConnectionPool<CL> pool)

Description copied from interface: Topology

Resume a host that was previously down

Specified by:

resumePool in interface Topology<CL>

suspendPool

public void suspendPool(HostConnectionPool<CL> pool)

Description copied from interface: Topology

Suspend a host that is down

Specified by:

suspendPool in interface Topology<CL>

refresh

public void refresh()

Description copied from interface: Topology

Refresh the internal state and apply the latency score strategy

Specified by:

refresh in interface Topology<CL>

getPartition

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

Description copied from interface: Topology

Get the partition best suited to handle a row key

Specified by:

getPartition in interface Topology<CL>

getAllPools

public TokenHostConnectionPoolPartition<CL> getAllPools()

Description copied from interface: Topology

Return a partition that represents all hosts in the ring

Specified by:

getAllPools in interface Topology<CL>

getPartitionCount

public int getPartitionCount()

Specified by:

getPartitionCount in interface Topology<CL>

Returns:

Get total number of tokens in the topology

removePool

public void removePool(HostConnectionPool<CL> pool)

Description copied from interface: Topology

Remove this pool from all partitions

Specified by:

removePool in interface Topology<CL>

addPool

public void addPool(HostConnectionPool<CL> pool)

Description copied from interface: Topology

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

Specified by:

addPool in interface Topology<CL>

getPartitionNames

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

Specified by:

getPartitionNames in interface Topology<CL>

Returns:

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

getPartition

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

Description copied from interface: Topology

Return the partition for a specific token

Specified by:

getPartition in interface Topology<CL>

getPartitions

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

Specified by:

getPartitions in interface Topology<CL>

Returns:

Return a mapping of partition ids to partition details