NotifyingSail (Eclipse RDF4J 4.2.4)

All Superinterfaces:

Sail

All Known Implementing Classes:

AbstractForwardChainingInferencer, AbstractNotifyingSail, CustomGraphQueryInferencer, DedupingInferencer, DirectTypeHierarchyInferencer, ElasticsearchStore, ExtensibleStore, ForwardChainingRDFSInferencer, LimitedSizeNativeStore, LmdbStore, LuceneSail, MemoryStore, NativeStore, NotifyingSailWrapper, SchemaCachingRDFSInferencer, ShaclSail
```
public interface NotifyingSail
extends Sail
```
An interface for Sails that notify registered SailChangedListeners of changes in the data in the Sail.

Author:

James Leigh

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addSailChangedListener(SailChangedListener listener)`	Adds the specified SailChangedListener to receive events when the data in this Sail object changes.
`NotifyingSailConnection`	`getConnection()`	Opens a connection on the Sail which can be used to query and update data.
`void`	`removeSailChangedListener(SailChangedListener listener)`	Removes the specified SailChangedListener so that it no longer receives events from this Sail object.

Methods inherited from interface org.eclipse.rdf4j.sail.Sail
getDataDir, getDefaultIsolationLevel, getSupportedIsolationLevels, getValueFactory, init, isWritable, setDataDir, shutDown

- Method Detail
  - getConnection
```
NotifyingSailConnection getConnection()
                               throws SailException
```
    Opens a connection on the Sail which can be used to query and update data. Depending on how the implementation handles concurrent access, a call to this method might block when there is another open connection on this Sail.
    
    Specified by:
    
    getConnection in interface Sail
    
    Throws:
    
    SailException - If no transaction could be started, for example because the Sail is not writable.
  - addSailChangedListener
```
void addSailChangedListener(SailChangedListener listener)
```
    Adds the specified SailChangedListener to receive events when the data in this Sail object changes.
  - removeSailChangedListener
```
void removeSailChangedListener(SailChangedListener listener)
```
    Removes the specified SailChangedListener so that it no longer receives events from this Sail object.