ReferenceIdToKeyCache (commercetools-sync-java 9.0.0 API)

All Known Implementing Classes:

CaffeineReferenceIdToKeyCacheImpl
```
public interface ReferenceIdToKeyCache
```
A Interface used to manage cache to store reference id to key pairs.
The cache can be implemented by any caching library and override the methods to perform caching operations. Default cache implementation is provided in the library class CaffeineReferenceIdToKeyCacheImplCaffeineReferenceIdToKeyCacheImpl.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`add(java.lang.String key, java.lang.String value)`
`void`	`addAll(java.util.Map<java.lang.String,java.lang.String> idToKeyValues)`
`void`	`clearCache()`	Discards all entries in the cache.
`boolean`	`containsKey(java.lang.String key)`
`java.lang.String`	`get(java.lang.String key)`
`void`	`remove(java.lang.String key)`

- Method Detail
  - add
```
void add(@Nonnull
         java.lang.String key,
         @Nonnull
         java.lang.String value)
```
    Parameters:
    
    key - key with which the specified value is to be associated.
    
    value - value to be associated with the specified key.
  - remove
```
void remove(@Nonnull
            java.lang.String key)
```
    Parameters:
    
    key - key whose mapping is to be removed from the map
  - addAll
```
void addAll(@Nonnull
            java.util.Map<java.lang.String,java.lang.String> idToKeyValues)
```
    Parameters:
    
    idToKeyValues - mappings to be stored in this cache.
  - containsKey
```
boolean containsKey(@Nonnull
                    java.lang.String key)
```
    Parameters:
    
    key - key whose presence in this map is to be tested
    
    Returns:
    
    true if this map contains a mapping for the specified key in the cache.
  - get
```
java.lang.String get(@Nonnull
                     java.lang.String key)
```
    Parameters:
    
    key - the key whose associated value is to be returned.
    
    Returns:
    
    the value to which the specified key is mapped, or null if the cache contains no mapping for the key.
  - clearCache
```
void clearCache()
```
    Discards all entries in the cache.