Package org.smartparam.engine.core.function

Interface FunctionCache

All Known Implementing Classes:

MapFunctionCache

public interface FunctionCache

A contract that provides caching of a function object from a repository based on a unique name.

Since:

1.0.0

Author:

Przemek Hertel

Method Summary

Modifier and Type	Method	Description
Function	get(String functionName)	Returns a function with a defined name functionName or null, if function does not exist at cache.
void	invalidate()	Evicts all functions from a cache
void	invalidate(String functionName)	Evicts function functionName from a cache
List<CacheEntry<Function>>	list()	Returs all cache entries as snapshot.
void	put(String functionName, Function function)	Inserts a function function under a key functionName.
void	putAll(Map<String,Function> functions)

Method Details

put

void put(String functionName,
 Function function)

Inserts a function function under a key functionName.

Parameters:

functionName - unique function name, used as a key for a cache

function - function from a reposiotry

putAll

void putAll(Map<String,Function> functions)

get

Function get(String functionName)

Returns a function with a defined name functionName or null, if function does not exist at cache.

Parameters:

functionName - name of a function

Returns:

function from a cache

invalidate

void invalidate(String functionName)

Evicts function functionName from a cache

Parameters:

functionName - name of a function

invalidate

void invalidate()

Evicts all functions from a cache

list

List<CacheEntry<Function>> list()

Returs all cache entries as snapshot. All modification to this snapshot will not modify cache state.

Returns:

all cache entries as snapshot