Package org.eclipse.rdf4j.sail
Interface NotifyingSail
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- 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 forSails that notify registeredSailChangedListeners of changes in the data in the Sail.- Author:
- James Leigh
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description voidaddSailChangedListener(SailChangedListener listener)Adds the specified SailChangedListener to receive events when the data in this Sail object changes.NotifyingSailConnectiongetConnection()Opens a connection on the Sail which can be used to query and update data.voidremoveSailChangedListener(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
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Method Detail
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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:
getConnectionin interfaceSail- Throws:
SailException- If no transaction could be started, for example because the Sail is not writable.
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addSailChangedListener
void addSailChangedListener(SailChangedListener listener)
Adds the specified SailChangedListener to receive events when the data in this Sail object changes.
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removeSailChangedListener
void removeSailChangedListener(SailChangedListener listener)
Removes the specified SailChangedListener so that it no longer receives events from this Sail object.
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