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Class AbstractMemoryDataStore<V> (1.43.0)
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Version 1.43.0 keyboard_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 keyString valueV
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 2024-12-06 UTC.
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