org.apache.ignite.internal.processors.cache

Interface IgniteCacheExpiryPolicy

All Known Implementing Classes:

GridCacheAdapter.CacheExpiryPolicy

public interface IgniteCacheExpiryPolicy

Wrapper for ExpiryPolicy used to track information about cache entries whose time to live was modified after access.

Method Summary

Modifier and Type	Method and Description
Map<KeyCacheObject,GridCacheVersion>	entries()
long	forAccess()
long	forCreate()
long	forUpdate()
Map<UUID,Collection<IgniteBiTuple<KeyCacheObject,GridCacheVersion>>>	readers()
boolean	readyToFlush(int cnt)
void	reset() Clears information about updated entries.
void	ttlUpdated(KeyCacheObject key, GridCacheVersion ver, Collection<UUID> rdrs) Callback for ttl update on entry access.

Method Detail

forCreate

long forCreate()

Returns:

TTL.

forUpdate

long forUpdate()

Returns:

TTL.

forAccess

long forAccess()

Returns:

TTL.

ttlUpdated

void ttlUpdated(KeyCacheObject key,
                GridCacheVersion ver,
                @Nullable
                Collection<UUID> rdrs)

Callback for ttl update on entry access.

Parameters:

key - Entry key.

ver - Entry version.

rdrs - Entry readers.

reset

void reset()

Clears information about updated entries.

readyToFlush

boolean readyToFlush(int cnt)

Parameters:

cnt - Entries count.

Returns:

True if number of entries or readers is greater than given number.

entries

@Nullable
Map<KeyCacheObject,GridCacheVersion> entries()

Returns:

Entries with TTL updated on access.

readers

@Nullable
Map<UUID,Collection<IgniteBiTuple<KeyCacheObject,GridCacheVersion>>> readers()

Returns:

Readers for updated entries.