Class AbstractMemoryDataStore<V> (1.44.2)
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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 |
key |
String
|
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 |
value |
V
|
Overrides
delete(String key)
public DataStore<V> delete(String key)
| Parameter |
| Name |
Description |
key |
String
|
get(String key)
public final V get(String key)
| Parameter |
| Name |
Description |
key |
String
|
| Returns |
| Type |
Description |
V |
|
isEmpty()
Returns whether there are any stored keys.
Default implementation is to check if #size() is 0.
keySet()
public final Set<String> keySet()
save()
set(String key, V value)
public final DataStore<V> set(String key, V value)
| Parameters |
| Name |
Description |
key |
String
|
value |
V
|
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 2024-05-17 UTC.
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