Package org.apache.ignite.internal.managers.discovery

Class ConsistentIdMapper

java.lang.Object

org.apache.ignite.internal.managers.discovery.ConsistentIdMapper

public class ConsistentIdMapper
extends Object

Class is needed for map UUID to consistent id and vice versa.

Field Summary

Fields

Modifier and Type	Field	Description
static Short	ALL_NODES	Optimization for short store full nodes set.

Constructor Summary

Constructors

Constructor	Description
ConsistentIdMapper(GridDiscoveryManager discoveryMgr)	Create an instance of mapper.

Method Summary

Modifier and Type	Method	Description
short	mapToCompactId(AffinityTopologyVersion topVer, UUID nodeId)	Maps UUID to compact ID for given baseline topology.
Map<Short,Collection<Short>>	mapToCompactIds(AffinityTopologyVersion topVer, @Nullable Map<UUID,Collection<UUID>> txNodes, BaselineTopology baselineTop)	Map primary -> backup node compact ID accordingly to baseline topology..
UUID	mapToUuid(AffinityTopologyVersion topVer, short nodeConstId)	Maps UUID to compact ID for given baseline topology.

Methods inherited from class java.lang.Object

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

Field Detail

ALL_NODES

public static final Short ALL_NODES

Optimization for short store full nodes set.

Constructor Detail

ConsistentIdMapper

public ConsistentIdMapper(GridDiscoveryManager discoveryMgr)

Create an instance of mapper.

Parameters:

discoveryMgr - Discovery manager.

Method Detail

mapToCompactId

public short mapToCompactId(AffinityTopologyVersion topVer,
                            UUID nodeId)

Maps UUID to compact ID for given baseline topology.

Parameters:

topVer - Topology version.

nodeId - UUID of node.

Returns:

Compact ID of node for given baseline topology.

mapToUuid

public UUID mapToUuid(AffinityTopologyVersion topVer,
                      short nodeConstId)

Maps UUID to compact ID for given baseline topology.

Parameters:

topVer - Topology version.

nodeConstId - UUID of node.

Returns:

Compact ID of node for given baseline topology.

mapToCompactIds

public Map<Short,Collection<Short>> mapToCompactIds(AffinityTopologyVersion topVer,
                                                          @Nullable
                                                          @Nullable Map<UUID,Collection<UUID>> txNodes,
                                                          BaselineTopology baselineTop)

Map primary -> backup node compact ID accordingly to baseline topology..

Parameters:

txNodes - Primary -> backup UUID nodes.

Returns:

Primary -> backup compact ID nodes.