Package org.infinispan.statetransfer

Class StateTransferManagerImpl

java.lang.Object

org.infinispan.statetransfer.StateTransferManagerImpl

All Implemented Interfaces:

StateTransferManager

@MBean(objectName="StateTransferManager",
       description="Component that handles state transfer")
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.
String	getRebalancingStatus()
StateConsumer	getStateConsumer()
StateProvider	getStateProvider()
boolean	isJoinComplete()
boolean	isStateTransferInProgress()	Checks if an inbound state transfer is in progress.
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()	Wait for the local cache to receive initial state from the other members.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.infinispan.statetransfer.StateTransferManager

isStateTransferInProgressForKey

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()

Description copied from interface: StateTransferManager

Wait for the local cache to receive initial state from the other members.

Does nothing if StateTransferConfiguration.awaitInitialTransfer() is disabled.

Specified by:

waitForInitialStateTransferToComplete in interface StateTransferManager

stop

public void stop()

Specified by:

stop in interface StateTransferManager

isJoinComplete

@ManagedAttribute(description="If true, the node has successfully joined the grid and is considered to hold state.  If false, the join process is still in progress.",
                  displayName="Is join completed?",
                  dataType=TRAIT)
public boolean isJoinComplete()

Specified by:

isJoinComplete in interface StateTransferManager

getRebalancingStatus

@ManagedAttribute(description="Retrieves the rebalancing status for this cache. Possible values are PENDING, SUSPENDED, IN_PROGRESS, BALANCED",
                  displayName="Rebalancing progress",
                  dataType=TRAIT)
public String getRebalancingStatus()
                            throws Exception

Specified by:

getRebalancingStatus in interface StateTransferManager

Throws:

Exception

isStateTransferInProgress

@ManagedAttribute(description="Checks whether there is a pending inbound state transfer on this cluster member.",
                  displayName="Is state transfer in progress?",
                  dataType=TRAIT)
public boolean isStateTransferInProgress()

Description copied from interface: StateTransferManager

Checks if an inbound state transfer is in progress.

Specified by:

isStateTransferInProgress 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

getStateConsumer

public StateConsumer getStateConsumer()

Specified by:

getStateConsumer in interface StateTransferManager

getStateProvider

public StateProvider getStateProvider()

Specified by:

getStateProvider in interface StateTransferManager

toString

public String toString()

Overrides:

toString in class Object