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

org.geotools.data.Transaction.rollback()
Undoes all transactions made since the last commit or rollback.
FeatureSources will need to issue any changes notifications using a FeatureEvent.FEATURES_CHANGED. This will need to be issued to all FeatureSources with the same typeName and Transaction.
@throws DataSourceException if there are problems with the datasource. @throws UnsupportedOperationException if the rollback method is notsupported by this datasource. @see #setAutoCommit(boolean)

                    transaction.commit();
                    autoCommitReader = ds
                            .getFeatureReader(newFeatureQuery, Transaction.AUTO_COMMIT);
                    assertFalse(autoCommitReader.hasNext());
                } catch (Exception e) {
                    transaction.rollback();
                    throw e;
                }
            }
        } finally {
            transaction.close();

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            // now commit
            transaction.commit();
            countNoTransaction = sourceNoTransaction.getCount(Query.ALL);
            assertEquals(5, countNoTransaction);
        } catch (Exception e) {
            transaction.rollback();
            throw e;
        } catch (AssertionFailedError e) {
            transaction.rollback();
            throw e;
        } finally {

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            assertEquals(5, countNoTransaction);
        } catch (Exception e) {
            transaction.rollback();
            throw e;
        } catch (AssertionFailedError e) {
            transaction.rollback();
            throw e;
        } finally {
            transaction.close();
        }
    }

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                    assertEquals(2, size);
                } catch (Throwable e) {
                    errors[0] = e;
                    try {
                        System.err.println("rolling back!.");
                        transaction.rollback();
                    } catch (IOException e1) {
                        e1.printStackTrace();
                    }
                } finally {
                    done[0] = true;

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            count = store.getCount(Query.ALL);
            assertEquals(2, count);


            assertEquals(1, source.getCount(Query.ALL));
            transaction.rollback();
            assertEquals(1, store.getCount(Query.ALL));


            transaction.close();


            {

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            sliceCat.computeAggregateFunction(q, cv);
            assertEquals(0, cv.getCount());


        } catch (Exception e) {
            LOGGER.log(Level.SEVERE, e.getMessage(), e);
            t.rollback();
        } finally {
            if (sliceCat != null) {
                sliceCat.dispose();
            }

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            // Get ImageIndexes
            List<Integer> indexes = reader.getImageIndex(q);
            assertNotNull(indexes);
            assertTrue(!indexes.isEmpty());
        } catch (Exception e) {
            t.rollback();
        } finally {
            if (sliceCat != null) {
                sliceCat.dispose();
            }

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

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            try {
                featureStore.addFeatures(collection);
                transaction.commit();
            } catch (Exception problem) {
                problem.printStackTrace();
                transaction.rollback();
            } finally {
                transaction.close();
            }
            System.exit(0); // success!
        } else {

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            }
            transaction.commit();
            JOptionPane.showMessageDialog(null, "Export to shapefile complete");
        } catch (Exception problem) {
            problem.printStackTrace();
            transaction.rollback();
            JOptionPane.showMessageDialog(null, "Export to shapefile failed");
        } finally {
            writer.close();
            iterator.close();
            transaction.close();

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