Package com.hazelcast.cp

Interface CPDataStructureManagementService

public interface CPDataStructureManagementService

Provides utility operations for managing CP data structures.

Since:

5.7.0

Method Summary

Modifier and Type	Method	Description
CompletionStage<CPMapPurgeResponse>	purgeCPMap(String mapName, Duration age)	Purges entries from the specified CPMap that are older than the given duration.

Method Details

purgeCPMap

CompletionStage<CPMapPurgeResponse> purgeCPMap(String mapName,
 Duration age)

Purges entries from the specified CPMap that are older than the given duration.

Parameters:

mapName - the name of the CPMap

age - the age threshold; entries older than this duration are removed

Returns:

a CPMapPurgeResponse containing the number of purged entries and the timestamp of the oldest remaining entry

Throws:

IllegalArgumentException - if no CP group exists for the given mapName

IllegalStateException - if the CP group exists but the CPMap with the given mapName has not been created

UnsupportedOperationException - if purge is not enabled for the given CPMap or if the cluster version is earlier than 5.7

NullPointerException - if mapName or age is null

See Also:

• CPMapConfig.setPurgeEnabled(boolean)