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Class AbstractMemoryDataStore<V> (1.45.0)
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public class AbstractMemoryDataStore<V> extends AbstractDataStore<V>
Abstract, thread-safe, in-memory implementation of a data store factory.
Type Parameter
Name Description
V
Constructors
AbstractMemoryDataStore(DataStoreFactory dataStoreFactory, String id)
protected AbstractMemoryDataStore ( DataStoreFactory dataStoreFactory , String id )
Fields
keyValueMap
protected HashMap<String , byte [] > keyValueMap
Data store map from the key to the value.
Methods
clear()
public final DataStore<V> clear ()
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
Name Description
keyString
Overrides
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
Name Description
valueV
Overrides
delete(String key)
public DataStore<V> delete ( String key )
Parameter
Name Description
keyString
get(String key)
public final V get ( String key )
Parameter
Name Description
keyString
Returns
Type Description
V
isEmpty()
Returns whether there are any stored keys.
Default implementation is to check if #size() is 0.
Overrides
keySet()
public final Set<String> keySet ()
save()
set(String key, V value)
public final DataStore<V> set ( String key , V value )
Parameters
Name Description
keyString
valueV
size()
Returns the number of stored keys.
Default implementation is to call Set#size() on #keySet() .
Returns
Type Description
int
Overrides
toString()
Returns
Type Description
String
Overrides
values()
public final Collection<V> values ()
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Last updated 2024-11-19 UTC.
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