io.fluxcapacitor.javaclient.common.caching

Interface Cache

All Known Implementing Classes:

DefaultCache, NoCache

public interface Cache

Method Summary

Modifier and Type	Method and Description
<T> T	get(String id, Function<? super String,T> mappingFunction) Returns the value associated with the given id.
<T> T	getIfPresent(String id) Returns the value associated with the given id if it exists in the cache.
void	invalidate(String id) Invalidates the cache entry mapped to given id.
void	invalidateAll() Invalidates all cache entries.
void	put(String id, Object value) Adds or replaces a value in the cache.

Method Detail

put

void put(String id,
         Object value)

Adds or replaces a value in the cache.

Parameters:

id - The object id

value - The value to cache

get

<T> T get(String id,
          Function<? super String,T> mappingFunction)

Returns the value associated with the given id. If there is no association, the mapping function is used to calculate a value. This value will be stored in the cache.

Type Parameters:

T - the type of object to return from the cache

Parameters:

id - The object id

mappingFunction - The function to compute a value if the cache is not in the cache

Returns:

The value associated with given id

getIfPresent

<T> T getIfPresent(String id)

Returns the value associated with the given id if it exists in the cache. If there is no association, null is returned.

Type Parameters:

T - the type of object to return from the cache

Parameters:

id - The object id

Returns:

The value associated with given id

invalidate

void invalidate(String id)

Invalidates the cache entry mapped to given id.

invalidateAll

void invalidateAll()

Invalidates all cache entries.