net.timewalker.ffmq4.storage.data

Interface DataStore

All Known Subinterfaces:

LinkedDataStore

All Known Implementing Classes:

AbstractBlockBasedDataStore, AbstractDataStore, BlockBasedDataStore, InMemoryLinkedDataStore, JournalingBlockBasedDataStore

public interface DataStore

DataStore

Method Summary

Modifier and Type	Method and Description
void	close() Close the store releasing associated system resources
void	commitChanges() Ensure everything's persisted (synchronous)
void	commitChanges(SynchronizationBarrier barrier) Ensure everything's persisted (asynchronous)
int	getAbsoluteStoreUsage() Get the absolute store usage amount (%) (Ratio of used space over maximum allocatable space)
int	getStoreUsage() Get the store usage amount (%) (Ratio of used space over currently allocated space)
int	size() Get the number of entries in the store

Method Detail

commitChanges

void commitChanges(SynchronizationBarrier barrier)
            throws DataStoreException

Ensure everything's persisted (asynchronous)

Throws:

DataStoreException

commitChanges

void commitChanges()
            throws DataStoreException

Ensure everything's persisted (synchronous)

Throws:

DataStoreException

close

void close()

Close the store releasing associated system resources

size

int size()

Get the number of entries in the store

getStoreUsage

int getStoreUsage()

Get the store usage amount (%) (Ratio of used space over currently allocated space)

getAbsoluteStoreUsage

int getAbsoluteStoreUsage()

Get the absolute store usage amount (%) (Ratio of used space over maximum allocatable space)