Package org.apache.ignite.internal.processors.cache.dr

Interface GridCacheDrManager

All Superinterfaces:

GridCacheManager

All Known Implementing Classes:

GridOsCacheDrManager

public interface GridCacheDrManager
extends GridCacheManager

Replication manager class which processes all replication events.

Method Summary

Modifier and Type	Method	Description
byte	dataCenterId()
boolean	enabled()
void	onExchange(AffinityTopologyVersion topVer, boolean left, boolean activate)	Process partitions exchange event.
void	onReceiveCacheConflictResolved(boolean useNew, boolean useOld, boolean merge)	Callback for manual conflict resolution.
void	onReceiveCacheEntriesReceived(int entriesCnt)	Callback for received entries from receiver hub.
void	partitionEvicted(int part)	In case some partition is evicted, we remove entries of this partition from backup queue.
boolean	receiveEnabled()
void	replicate(KeyCacheObject key, @Nullable CacheObject val, long ttl, long expireTime, GridCacheVersion ver, GridDrType drType, AffinityTopologyVersion topVer)	Performs replication.
void	resetMetrics()	Resets metrics for current cache.

Methods inherited from interface org.apache.ignite.internal.processors.cache.GridCacheManager

onDisconnected, onKernalStart, onKernalStop, printMemoryStats, start, stop

Method Detail

dataCenterId

byte dataCenterId()

Returns:

Data center ID.

replicate

void replicate(KeyCacheObject key,
               @Nullable
               @Nullable CacheObject val,
               long ttl,
               long expireTime,
               GridCacheVersion ver,
               GridDrType drType,
               AffinityTopologyVersion topVer)
        throws IgniteCheckedException

Performs replication.

Parameters:

key - Key.

val - Value.

ttl - TTL.

expireTime - Expire time.

ver - Version.

drType - Replication type.

topVer - Topology version.

Throws:

IgniteCheckedException - If failed.

onExchange

void onExchange(AffinityTopologyVersion topVer,
                boolean left,
                boolean activate)
         throws IgniteCheckedException

Process partitions exchange event.

Parameters:

topVer - Topology version.

left - True if exchange has been caused by node leave.

activate - True if exchange has been caused by cluster activation.

Throws:

IgniteCheckedException - If failed.

enabled

boolean enabled()

Returns:

True is DR is enabled.

receiveEnabled

boolean receiveEnabled()

Returns:

True if receives DR data.

partitionEvicted

void partitionEvicted(int part)

In case some partition is evicted, we remove entries of this partition from backup queue.

Parameters:

part - Partition.

onReceiveCacheEntriesReceived

void onReceiveCacheEntriesReceived(int entriesCnt)

Callback for received entries from receiver hub.

Parameters:

entriesCnt - Number of received entries.

onReceiveCacheConflictResolved

void onReceiveCacheConflictResolved(boolean useNew,
                                    boolean useOld,
                                    boolean merge)

Callback for manual conflict resolution.

Parameters:

useNew - Use new.

useOld - Use old.

merge - Merge.

resetMetrics

void resetMetrics()

Resets metrics for current cache.