Examples of org.geotools.data.Transaction.commit()

org.geotools.data.Transaction.commit()
Makes all transactions made since the previous commit/rollback permanent.
FeatureSources will need to issue any changes notifications using a FeatureEvent.FEATURES_CHANGED to all FeatureSources with the same typeName and a different Transaction. FeatureSources with the same Transaction will of been notified of changes as the FeaureWriter made them.
@throws DataSourceException if there are any datasource errors. @see #setAutoCommit(boolean)

        assertEquals(4, dataStore.getFeatureSource(tname("ft1")).getCount(Query.ALL));
        
        Transaction tx2 = new DefaultTransaction();
        st.setTransaction(tx2);
        st.addFeatures( features );
        tx2.commit();
        tx2.close();
        assertEquals(5, dataStore.getFeatureSource(tname("ft1")).getCount(Query.ALL));
    }
}

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        SimpleFeatureType type = dataStore.getSchema(tname("guid"));
        SimpleFeature feature = SimpleFeatureBuilder.build(type, new Object[] { uuid3 }, "guid.3");


        SimpleFeatureCollection collection = DataUtilities.collection(feature);
        featureStore.addFeatures(collection);
        transaction.commit();
        assertEquals(featureStore.getCount(Query.ALL),3);
        transaction.close();
    }


    public void testModifyFeatures() throws Exception {

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        SimpleFeatureStore featureStore = (SimpleFeatureStore) dataStore.getFeatureSource(tname("uuidt"));
        featureStore.setTransaction(transaction);


        featureStore.addFeatures(createFeatureCollection());


        transaction.commit();
        assertEquals(3, featureStore.getCount(Query.ALL));
        transaction.close();
    }


    private SimpleFeatureCollection createFeatureCollection() throws Exception {

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        System.out.println("t1 commit auto-commit: "+DataUtilities.fidSet(featureStore.getFeatures()) );
        System.out.println("t1 commit          t1: "+DataUtilities.fidSet(featureStore1.getFeatures()) );
        System.out.println("t1 commit          t2: "+DataUtilities.fidSet(featureStore2.getFeatures()) );


        // commit transaction two
        t2.commit();


        System.out.println();
        System.out.println("Step 5 transaction 2 commits the addition of '"+feature.getID()+"'");
        System.out.println("------");
        System.out.println("t2 commit auto-commit: "+DataUtilities.fidSet(featureStore.getFeatures()) );

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            } finally {
                writer.close();
            }
            System.out.println("commit " + t); // only now are the contents
                                               // removed
            t.commit();
        } catch (Throwable eek) {
            t.rollback();
        } finally {
            t.close();
            store.dispose();

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        // check the store with the transaction sees the new features, but the other store does not
        assertEquals(4, featureStore.getFeatures().size());
        assertEquals(3, featureStore2.getFeatures().size());
        
        // check that after the commit everybody sees 4
        t.commit();
        assertEquals(4, featureStore.getFeatures().size());
        assertEquals(4, featureStore2.getFeatures().size());
        
        t.close();
    }

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        assertEquals(4, featureStore.getFeatures().size());
        assertEquals(3, featureStore2.getFeatures().size());
        
        // check that after the commit on the transaction things have not changed, 
        // the connection is externally managed
        t.commit();
        assertEquals(4, featureStore.getFeatures().size());
        assertEquals(3, featureStore2.getFeatures().size());


        // commit directly
        conn.commit();

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        feature.setAttribute(aname("id"), new Integer(100));
        feature.setAttribute(aname("geom_" + type.toLowerCase()), emptyGeometry);
        feature.setAttribute(aname("name"), new String("empty " + type));
        writer.write();
        writer.close();
        tx.commit();
        tx.close();


        SimpleFeatureCollection fc = dataStore.getFeatureSource(tname("empty")).getFeatures();
        assertEquals(1, fc.size());
        SimpleFeatureIterator fi = fc.features();

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            b.set(aname("intProperty"), new Integer(i));
            b.set(aname("geometry"), new GeometryFactory().createPoint(new Coordinate(i, i)));
            collection.add(b.buildFeature(null));
        }
        featureStore.addFeatures((SimpleFeatureCollection)collection);
        t.commit();
        assertTrue(mockListener.onBorrowCalled);
        assertTrue(mockListener.onReleaseCalled);
        assertTrue(mockListener.onCommitCalled);
        assertFalse(mockListener.onRollbackCalled);

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        assertTrue(coversLax(reader, FINAL));


        // commit t2
        // ---------
        // -ensure that everyone is FINAL at the end of the day
        t2.commit();


        // We now have Number( remove one and add one)
        reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
        reader = data.getFeatureReader(new DefaultQuery("road"), Transaction.AUTO_COMMIT);
        assertTrue(coversLax(reader, FINAL));

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