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      Class AbstractMemoryDataStore<V> (1.42.3)
    
    
       
    
    
      
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  Version 1.42.3keyboard_arrow_down  
  
 
    
    
     
    
    
    
    
    
      
  
  
  
    
public   class  AbstractMemoryDataStore<V>   extends   AbstractDataStore<V>  
   
  Abstract, thread-safe, in-memory implementation of a data store factory.
 
  
  
  Type Parameter 
  
  Constructors
   
   
  AbstractMemoryDataStore(DataStoreFactory dataStoreFactory, String id) 
  
    
protected   AbstractMemoryDataStore ( DataStoreFactory   dataStoreFactory ,   String   id )  
   
  Parameters 
  
  Fields
   
  keyValueMap 
  
    
protected   HashMap<String , byte [] >  keyValueMap  
   
  Data store map from the key to the value.
 
  Field Value 
  
  Methods
   
   
  clear() 
  
    
public   final   DataStore<V>   clear ()  
   
  Returns 
  
  Exceptions 
  
   
  containsKey(String key) 
  
    
public   boolean   containsKey ( String   key )  
   
  Returns whether the store contains the given key.
 
Default implementation is to call #get(String)  and check if it is null.
 
  Parameter 
  
  Returns 
  
  Overrides 
  
  Exceptions 
  
   
  containsValue(V value) 
  
    
public   boolean   containsValue ( V   value )  
   
  Returns whether the store contains the given value.
 
Default implementation is to call Collection#contains(Object)  on #values() .
 
  Parameter 
  
  Returns 
  
  Overrides 
  
  Exceptions 
  
   
  delete(String key) 
  
    
public   DataStore<V>   delete ( String   key )  
   
  Parameter 
  
  Returns 
  
  Exceptions 
  
   
  get(String key) 
  
    
public   final   V   get ( String   key )  
   
  Parameter 
  
  Returns 
  
  Exceptions 
  
   
  isEmpty() 
  
  Returns whether there are any stored keys.
 
Default implementation is to check if #size()  is 0.
 
  Returns 
  
  Overrides 
  
  Exceptions 
  
   
  keySet() 
  
    
public   final   Set<String>   keySet ()  
   
  Returns 
  
  Exceptions 
  
   
  save() 
  
  
  Exceptions 
  
   
  set(String key, V value) 
  
    
public   final   DataStore<V>   set ( String   key ,   V   value )  
   
  Parameters 
  
    
      
        Name  
        Description  
       
      
        key 
        String  
       
      
        value 
        V  
       
     
  
  Returns 
  
  Exceptions 
  
   
  size() 
  
  Returns the number of stored keys.
 
Default implementation is to call Set#size()  on #keySet() .
 
  Returns 
  
  Overrides 
  
  Exceptions 
  
   
  toString() 
  
  Returns 
  
  Overrides 
  
   
  values() 
  
    
public   final   Collection<V>   values ()  
   
  Returns 
  
  Exceptions 
  
 
     
    
  
  
  
     
  
 
  
    
    
      
    
     
  
       
         
  
  
    
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  Last updated 2025-10-30 UTC.
 
 
  
  
    
    
    
      
  
  
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