Package org.infinispan.statetransfer

Class StateTransferManagerImpl

java.lang.Object

org.infinispan.statetransfer.StateTransferManagerImpl

All Implemented Interfaces:

StateTransferManager

public class StateTransferManagerImpl
extends Object
implements StateTransferManager

StateTransferManager implementation.

Since:

5.2

Author:

anistor@redhat.com

Field Summary

Fields

Modifier and Type	Field	Description
protected String	cacheName

Constructor Summary

Constructors

Constructor	Description
StateTransferManagerImpl()

Method Summary

Modifier and Type	Method	Description
Map<Address,Response>	forwardCommandIfNeeded(TopologyAffectedCommand command, Set<Object> affectedKeys, Address origin)	If there is an state transfer happening at the moment, this method forwards the supplied command to the nodes that are new owners of the data, in order to assure consistency.
CacheTopology	getCacheTopology()
int	getFirstTopologyAsMember()
String	getRebalancingStatus()
boolean	isJoinComplete()
boolean	isStateTransferInProgress()	Checks if an inbound state transfer is in progress.
boolean	isStateTransferInProgressForKey(Object key)	Checks if an inbound state transfer is in progress for a given key.
boolean	ownsData()
static ConsistentHashFactory	pickConsistentHashFactory(GlobalConfiguration globalConfiguration, Configuration configuration)	If no ConsistentHashFactory was explicitly configured we choose a suitable one based on cache mode.
void	start()
void	stop()
String	toString()
void	waitForInitialStateTransferToComplete()

Methods inherited from class java.lang.Object

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

Field Detail

cacheName

protected String cacheName

Constructor Detail

StateTransferManagerImpl

public StateTransferManagerImpl()

Method Detail

start

public void start()
           throws Exception

Specified by:

start in interface StateTransferManager

Throws:

Exception

pickConsistentHashFactory

public static ConsistentHashFactory pickConsistentHashFactory(GlobalConfiguration globalConfiguration,
                                                              Configuration configuration)

If no ConsistentHashFactory was explicitly configured we choose a suitable one based on cache mode.

waitForInitialStateTransferToComplete

public void waitForInitialStateTransferToComplete()

Specified by:

waitForInitialStateTransferToComplete in interface StateTransferManager

stop

public void stop()

Specified by:

stop in interface StateTransferManager

isJoinComplete

public boolean isJoinComplete()

Specified by:

isJoinComplete in interface StateTransferManager

getRebalancingStatus

public String getRebalancingStatus()
                            throws Exception

Specified by:

getRebalancingStatus in interface StateTransferManager

Throws:

Exception

isStateTransferInProgress

public boolean isStateTransferInProgress()

Description copied from interface: StateTransferManager

Checks if an inbound state transfer is in progress.

Specified by:

isStateTransferInProgress in interface StateTransferManager

isStateTransferInProgressForKey

public boolean isStateTransferInProgressForKey(Object key)

Description copied from interface: StateTransferManager

Checks if an inbound state transfer is in progress for a given key.

Specified by:

isStateTransferInProgressForKey in interface StateTransferManager

Returns:

getCacheTopology

public CacheTopology getCacheTopology()

Specified by:

getCacheTopology in interface StateTransferManager

forwardCommandIfNeeded

public Map<Address,Response> forwardCommandIfNeeded(TopologyAffectedCommand command,
                                                          Set<Object> affectedKeys,
                                                          Address origin)

Description copied from interface: StateTransferManager

If there is an state transfer happening at the moment, this method forwards the supplied command to the nodes that are new owners of the data, in order to assure consistency.

Specified by:

forwardCommandIfNeeded in interface StateTransferManager

ownsData

public boolean ownsData()

Specified by:

ownsData in interface StateTransferManager

Returns:

true if this node has already received the first rebalance start

getFirstTopologyAsMember

public int getFirstTopologyAsMember()

Specified by:

getFirstTopologyAsMember in interface StateTransferManager

Returns:

The id of the first cache topology in which the local node was a member (even if it didn't own any data).

toString

public String toString()

Overrides:

toString in class Object