Package 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	Description
@Nullable Map<KeyCacheObject,GridCacheVersion>	entries()
long	forAccess()
long	forCreate()
long	forUpdate()
@Nullable Map<UUID,Collection<IgniteBiTuple<KeyCacheObject,GridCacheVersion>>>	readers()
boolean	readyToFlush(int cnt)
void	reset()	Clears information about updated entries.
void	ttlUpdated(KeyCacheObject key, GridCacheVersion ver, @Nullable 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
                @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
@Nullable Map<KeyCacheObject,GridCacheVersion> entries()

Returns:

Entries with TTL updated on access.

readers

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

Returns:

Readers for updated entries.