org.apache.ignite.internal.processors.cache.distributed.dht

Class GridClientPartitionTopology

java.lang.Object

org.apache.ignite.internal.processors.cache.distributed.dht.GridClientPartitionTopology

All Implemented Interfaces:

GridDhtPartitionTopology

@GridToStringExclude
public class GridClientPartitionTopology
extends Object
implements GridDhtPartitionTopology

Partition topology for node which does not have any local partitions.

Constructor Summary

Constructors

Constructor and Description
GridClientPartitionTopology(GridCacheSharedContext cctx, int cacheId, GridDhtPartitionExchangeId exchId)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	afterExchange(GridDhtPartitionExchangeId exchId) Post-initializes this topology.
void	beforeExchange(GridDhtPartitionExchangeId exchId) Pre-initializes this topology.
int	cacheId()
Collection<GridDhtLocalPartition>	currentLocalPartitions()
GridDhtLocalPartition	localPartition(int p, long topVer, boolean create)
GridDhtLocalPartition	localPartition(Object key, boolean create)
GridDhtPartitionMap	localPartitionMap()
List<GridDhtLocalPartition>	localPartitions()
List<ClusterNode>	moving(int p)
Collection<ClusterNode>	nodes(int p, long topVer)
GridDhtLocalPartition	onAdded(long topVer, GridDhtCacheEntry e)
void	onEvicted(GridDhtLocalPartition part, boolean updateSeq)
void	onRemoved(GridDhtCacheEntry e)
boolean	own(GridDhtLocalPartition part)
List<ClusterNode>	owners(int p)
List<ClusterNode>	owners(int p, long topVer)
GridDhtPartitionFullMap	partitionMap(boolean onlyActive)
GridDhtPartitionMap	partitions(UUID nodeId)
void	printMemoryStats(int threshold) Prints memory stats.
void	readLock() Locks the topology, usually during mapping on locks or transactions.
void	readUnlock() Unlocks topology locked by GridDhtPartitionTopology.readLock() method.
long	topologyVersion() Topology version.
GridDhtTopologyFuture	topologyVersionFuture() Gets a future that will be completed when partition exchange map for this particular topology version is done.
GridDhtPartitionMap	update(GridDhtPartitionExchangeId exchId, GridDhtPartitionFullMap partMap)
GridDhtPartitionMap	update(GridDhtPartitionExchangeId exchId, GridDhtPartitionMap parts)
long	updateSequence()
void	updateTopologyVersion(GridDhtPartitionExchangeId exchId, GridDhtPartitionsExchangeFuture exchFut) Updates topology version.

Methods inherited from class java.lang.Object

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

Constructor Detail

GridClientPartitionTopology

public GridClientPartitionTopology(GridCacheSharedContext cctx,
                           int cacheId,
                           GridDhtPartitionExchangeId exchId)

Parameters:

cctx - Context.

cacheId - Cache ID.

exchId - Exchange ID.

Method Detail

cacheId

public int cacheId()

Returns:

Cache ID.

readLock

public void readLock()

Locks the topology, usually during mapping on locks or transactions.

Specified by:

readLock in interface GridDhtPartitionTopology

readUnlock

public void readUnlock()

Unlocks topology locked by GridDhtPartitionTopology.readLock() method.

Specified by:

readUnlock in interface GridDhtPartitionTopology

updateTopologyVersion

public void updateTopologyVersion(GridDhtPartitionExchangeId exchId,
                         GridDhtPartitionsExchangeFuture exchFut)

Updates topology version.

Specified by:

updateTopologyVersion in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID.

exchFut - Exchange future.

topologyVersion

public long topologyVersion()

Topology version.

Specified by:

topologyVersion in interface GridDhtPartitionTopology

Returns:

Topology version.

topologyVersionFuture

public GridDhtTopologyFuture topologyVersionFuture()

Gets a future that will be completed when partition exchange map for this particular topology version is done.

Specified by:

topologyVersionFuture in interface GridDhtPartitionTopology

Returns:

Topology version ready future.

beforeExchange

public void beforeExchange(GridDhtPartitionExchangeId exchId)

Pre-initializes this topology.

Specified by:

beforeExchange in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID for this pre-initialization.

afterExchange

public boolean afterExchange(GridDhtPartitionExchangeId exchId)
                      throws IgniteCheckedException

Post-initializes this topology.

Specified by:

afterExchange in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID for this post-initialization.

Returns:

True if mapping was changed.

Throws:

IgniteCheckedException - If failed.

localPartition

@Nullable
public GridDhtLocalPartition localPartition(int p,
                                            long topVer,
                                            boolean create)
                                     throws GridDhtInvalidPartitionException

Specified by:

localPartition in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

topVer - Topology version at the time of creation.

create - If true, then partition will be created if it's not there.

Returns:

Local partition.

Throws:

GridDhtInvalidPartitionException - If partition is evicted or absent and does not belong to this node.

localPartition

public GridDhtLocalPartition localPartition(Object key,
                                   boolean create)

Specified by:

localPartition in interface GridDhtPartitionTopology

Parameters:

key - Cache key.

create - If true, then partition will be created if it's not there.

Returns:

Local partition.

localPartitions

public List<GridDhtLocalPartition> localPartitions()

Specified by:

localPartitions in interface GridDhtPartitionTopology

Returns:

All local partitions by copying them into another list.

currentLocalPartitions

public Collection<GridDhtLocalPartition> currentLocalPartitions()

Specified by:

currentLocalPartitions in interface GridDhtPartitionTopology

Returns:

All current local partitions.

onAdded

public GridDhtLocalPartition onAdded(long topVer,
                            GridDhtCacheEntry e)

Specified by:

onAdded in interface GridDhtPartitionTopology

Parameters:

topVer - Topology version.

e - Entry added to cache.

Returns:

Local partition.

onRemoved

public void onRemoved(GridDhtCacheEntry e)

Specified by:

onRemoved in interface GridDhtPartitionTopology

Parameters:

e - Entry removed from cache.

localPartitionMap

public GridDhtPartitionMap localPartitionMap()

Specified by:

localPartitionMap in interface GridDhtPartitionTopology

Returns:

Local IDs.

nodes

public Collection<ClusterNode> nodes(int p,
                            long topVer)

Specified by:

nodes in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

topVer - Topology version.

Returns:

Collection of all nodes responsible for this partition with primary node being first.

owners

public List<ClusterNode> owners(int p,
                       long topVer)

Specified by:

owners in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

topVer - Topology version.

Returns:

Collection of all nodes who own this partition.

owners

public List<ClusterNode> owners(int p)

Specified by:

owners in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

Returns:

Collection of all nodes who own this partition.

moving

public List<ClusterNode> moving(int p)

Specified by:

moving in interface GridDhtPartitionTopology

Parameters:

p - Partition ID.

Returns:

Collection of all nodes who are preloading this partition.

updateSequence

public long updateSequence()

Specified by:

updateSequence in interface GridDhtPartitionTopology

Returns:

Current update sequence.

partitionMap

public GridDhtPartitionFullMap partitionMap(boolean onlyActive)

Specified by:

partitionMap in interface GridDhtPartitionTopology

Parameters:

onlyActive - If true, then only active partitions will be returned.

Returns:

Node IDs mapped to partitions.

update

@Nullable
public GridDhtPartitionMap update(@Nullable
                                  GridDhtPartitionExchangeId exchId,
                                  GridDhtPartitionFullMap partMap)

Specified by:

update in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID.

partMap - Update partition map.

Returns:

Local partition map if there were evictions or null otherwise.

update

@Nullable
public GridDhtPartitionMap update(@Nullable
                                  GridDhtPartitionExchangeId exchId,
                                  GridDhtPartitionMap parts)

Specified by:

update in interface GridDhtPartitionTopology

Parameters:

exchId - Exchange ID.

parts - Partitions.

Returns:

Local partition map if there were evictions or null otherwise.

own

public boolean own(GridDhtLocalPartition part)

Specified by:

own in interface GridDhtPartitionTopology

Parameters:

part - Partition to own.

Returns:

True if owned.

onEvicted

public void onEvicted(GridDhtLocalPartition part,
             boolean updateSeq)

Specified by:

onEvicted in interface GridDhtPartitionTopology

Parameters:

part - Evicted partition.

partitions

@Nullable
public GridDhtPartitionMap partitions(UUID nodeId)

Specified by:

partitions in interface GridDhtPartitionTopology

Parameters:

nodeId - Node to get partitions for.

Returns:

Partitions for node.

printMemoryStats

public void printMemoryStats(int threshold)

Prints memory stats.

Specified by:

printMemoryStats in interface GridDhtPartitionTopology

Parameters:

threshold - Threshold for number of entries.