Examples of org.geotools.data.FeatureEvent

org.geotools.data.FeatureEvent
Represents all events triggered by DataStore instances (typically change events).
The "Source" for FeatureEvents is taken to be a FeatureSource, rather than DataStore. The is due to SimpleFeatureSource having a hold of Transaction information.

DataStore implementations will actually keep the list listeners sorted by TypeName, and can report FeatureWriter modifications as required (by filtering the Listener list by typeName and Transaction).

The Transaction.commit() operation will also need to provide notification, this shows up as a CHANGE event; with a bit more detail being available in the subclass BatchFeatureEvent.
@since GeoTools 2.0 @source $URL$

        super(fidReader, featureType, filteredContent, session, listenerManager, versionHandler);
    }


    @Override
    protected void doFireFeaturesAdded(String typeName, ReferencedEnvelope bounds, Filter filter) {
        FeatureEvent event = new FeatureEvent(this, FeatureEvent.Type.ADDED, bounds, filter);
        listenerManager.fireEvent(typeName, Transaction.AUTO_COMMIT, event);
    }

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        listenerManager.fireEvent(typeName, Transaction.AUTO_COMMIT, event);
    }


    @Override
    protected void doFireFeaturesChanged(String typeName, ReferencedEnvelope bounds, Filter filter) {
        FeatureEvent event = new FeatureEvent(this, FeatureEvent.Type.CHANGED, bounds, filter);
        listenerManager.fireEvent(typeName, Transaction.AUTO_COMMIT, event);
    }

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        listenerManager.fireEvent(typeName, Transaction.AUTO_COMMIT, event);
    }


    @Override
    protected void doFireFeaturesRemoved(String typeName, ReferencedEnvelope bounds, Filter filter) {
        FeatureEvent event = new FeatureEvent(this, FeatureEvent.Type.REMOVED, bounds, filter);
        listenerManager.fireEvent(typeName, Transaction.AUTO_COMMIT, event);
    }

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        featureStore1.removeFeatures(filterOne);
        assertEquals("no events on AUTO_COMMIT", 0, listener.list.size());
        assertEquals("single event on transaction2", 1, listener1.list.size());
        assertEquals("no events on AUTO_COMMIT", 0, listener2.list.size());


        FeatureEvent e = listener1.list.get(0);
        assertEquals(featureStore1, e.getFeatureSource());
        Id id = (Id) e.getFilter();
        assertNotNull(id);
        assertNotNull(id.getIDs());
        assertTrue(id.getIDs().contains(featureId));
        ReferencedEnvelope bounds = e.getBounds();
        assertFalse(bounds.isEmpty());
        assertFalse(bounds.isNull());


        t1.commit();
        assertEquals("commit event sent to AUTO_COMMIT", 1, listener.list.size());

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        List<FeatureId> newFids = featureStore1.addFeatures(newFeatures);
        assertEquals(0, listener.list.size());
        assertEquals(1, listener1.list.size());


        FeatureEvent e = listener1.list.get(0);
        Id id = (Id) e.getFilter();
        assertTrue(id.getIdentifiers().containsAll(newFids));
        // remember the FeatureId with a strong reference
        FeatureId tempFeatureId = (FeatureId) id.getIdentifiers().iterator().next();
        assertTrue(newFids.contains(tempFeatureId));

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    @Override
    protected void doFireFeaturesAdded(String typeName, ReferencedEnvelope bounds, Filter filter) {
        Transaction transaction = state.getTransaction();


        FeatureEvent event = new FeatureEvent(this, FeatureEvent.Type.ADDED, bounds, filter);
        listenerManager.fireEvent(typeName, transaction, event);
    }

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    @Override
    protected void doFireFeaturesChanged(String typeName, ReferencedEnvelope bounds, Filter filter) {
        Transaction transaction = state.getTransaction();


        FeatureEvent event = new FeatureEvent(this, FeatureEvent.Type.CHANGED, bounds, filter);
        listenerManager.fireEvent(typeName, transaction, event);
    }

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    @Override
    protected void doFireFeaturesRemoved(String typeName, ReferencedEnvelope bounds, Filter filter) {
        Transaction transaction = state.getTransaction();


        FeatureEvent event = new FeatureEvent(this, FeatureEvent.Type.REMOVED, bounds, filter);
        listenerManager.fireEvent(typeName, transaction, event);
    }

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        ReferencedEnvelope bounds = new ReferencedEnvelope(feature.getBounds());
        if( bounds != null ){
            bounds.expandToInclude(before);
        }
        
        FeatureEvent event = new FeatureEvent(source, Type.CHANGED, bounds, filter);
        fireFeatureEvent(event);
    }

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            return;


        Filter filter = idFilter(feature);
        ReferencedEnvelope bounds = new ReferencedEnvelope(feature.getBounds());


        FeatureEvent event = new FeatureEvent(source, Type.ADDED, bounds, filter);


        fireFeatureEvent(event);
    }

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org.geoserver.feature.retype.WrappingFeatureListener

org.geotools.arcsde.data.ArcSDEFeatureStoreTest

org.geotools.arcsde.data.AutoCommitFeatureWriter

org.geotools.arcsde.data.TestFeatureListener

org.geotools.arcsde.data.TransactionFeatureWriter

org.geotools.data.memory.MemoryDataStoreTest

org.geotools.data.store.ContentFeatureSourceEventsTest

org.geotools.data.store.ContentState

org.geotools.data.wfs.integration.AbstractDataStoreTest

org.geotools.data.wfs.WFSFeatureStore

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