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
long	getInflightSegmentTransferCount()	Returns the number of requested segments to be transferred.
long	getInflightTransactionalSegmentCount()	Returns the number of transactional segments requested which are still in-flight.
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

forwardCommandIfNeeded

Field Details

cacheName

protected String cacheName

Constructor Details

StateTransferManagerImpl

public StateTransferManagerImpl()

Method Details

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, COMPLETE",
                  displayName="Rebalancing progress",
                  dataType=TRAIT)
public String getRebalancingStatus()
                            throws Exception

Specified by:

getRebalancingStatus in interface StateTransferManager

Throws:

Exception

isStateTransferInProgress

@ManagedAttribute(description="Checks whether the local node is receiving state from other nodes",
                  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

getInflightSegmentTransferCount

@ManagedAttribute(description="The number of in-flight segments the local node requested from other nodes",
                  displayName="In-flight requested segments",
                  dataType=MEASUREMENT)
public long getInflightSegmentTransferCount()

Description copied from interface: StateTransferManager

Returns the number of requested segments to be transferred.

Specified by:

getInflightSegmentTransferCount in interface StateTransferManager

getInflightTransactionalSegmentCount

@ManagedAttribute(description="The number of in-flight transactional segments the local node requested from other nodes",
                  displayName="In-flight requested transactional segments",
                  dataType=MEASUREMENT)
public long getInflightTransactionalSegmentCount()

Description copied from interface: StateTransferManager

Returns the number of transactional segments requested which are still in-flight.

Specified by:

getInflightTransactionalSegmentCount 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