com.scvngr.levelup.core.ui.view

Interface LevelUpCodeCache

All Known Implementing Classes:

HashMapCache

@ThreadSafe
public interface LevelUpCodeCache

A cache for LevelUp payment codes. This is used by LevelUpCodeLoader. This cache must be thread safe.

Method Summary

Modifier and Type	Method and Description
LevelUpQrCodeGenerator.LevelUpQrCodeImage	getCode(String key)
boolean	hasCode(String key)
void	putCode(String key, LevelUpQrCodeGenerator.LevelUpQrCodeImage image)

Method Detail

putCode

void putCode(String key,
             LevelUpQrCodeGenerator.LevelUpQrCodeImage image)

Parameters:

key - the key under which to store the code. This should be unique for each code.

image - the code image. This should be the smallest-possible code image.

getCode

LevelUpQrCodeGenerator.LevelUpQrCodeImage getCode(String key)

Parameters:

key - the key under which the image is stored.

Returns:

the cached code image or null if there is no entry.

hasCode

boolean hasCode(String key)

Parameters:

key - the key under which the image is stored.

Returns:

true if the cache has a mapping for the given key.