public abstract class AbstractDataStoreFactory implements DataStoreFactory
Abstract data store factory implementation.
Implements
DataStoreFactoryConstructors
AbstractDataStoreFactory()
public AbstractDataStoreFactory()
Methods
<V>createDataStore(String id)
protected abstract DataStore<V> <V>createDataStore(String id)
Returns a new instance of a type-specific data store based on the given unique ID.
The DataStore#getId() must match the id
parameter from this method.
Parameter | |
---|---|
Name | Description |
id |
String unique ID to refer to typed data store |
Returns | |
---|---|
Type | Description |
DataStore<V> |
Exceptions | |
---|---|
Type | Description |
IOException |
<V>getDataStore(String id)
public final DataStore<V> <V>getDataStore(String id)
Returns a type-specific data store based on the given unique ID.
If a data store by that ID does not already exist, it should be created now, stored for
later access, and returned. Otherwise, if there is already a data store by that ID, it should
be returned. The DataStore#getId() must match the id
parameter from this
method.
The ID must be at least 1 and at most 30 characters long, and must contain only alphanumeric or underscore characters.
Parameter | |
---|---|
Name | Description |
id |
String |
Returns | |
---|---|
Type | Description |
DataStore<V> |
Exceptions | |
---|---|
Type | Description |
IOException |