org.casbin.jcasbin.persist.cache

Interface Cache

All Known Implementing Classes:

DefaultCache

public interface Cache

Method Summary

Modifier and Type	Method and Description
void	clear() Clear deletes all items stored in the cache.
void	delete(java.lang.String key) Delete removes the specific key from the cache.
java.lang.Boolean	get(java.lang.String key) Get returns the result for the given key.
boolean	set(java.lang.String key, boolean value, java.lang.Object... extra) Set puts key and value into cache.

Method Detail

set

boolean set(java.lang.String key,
            boolean value,
            java.lang.Object... extra)

Set puts key and value into cache. The first extra parameter should be a java.time.LocalDateTime object denoting the expected survival time. If survival time equals 0 or less, the key will always be valid.

Parameters:

key - the key to store

value - the value to store

extra - additional parameters (e.g., expiration time)

Returns:

true if successful, false otherwise

get

java.lang.Boolean get(java.lang.String key)

Get returns the result for the given key. If there's no such key in the cache, Optional.empty() will be returned.

Parameters:

key - the key to retrieve

Returns:

an Optional containing the boolean value if present, otherwise Optional.empty()

delete

void delete(java.lang.String key)

Delete removes the specific key from the cache. If the key doesn't exist, it returns false.

Parameters:

key - the key to delete

clear

void clear()

Clear deletes all items stored in the cache.