Examples of org.openrdf.sail.SailConnection.rollback()

org.openrdf.sail.SailConnection.rollback()
Rolls back the SailConnection, discarding any uncommitted changes that have been made in this SailConnection. @throws StoreException If the SailConnection could not be rolled back, or if the connection does not have an active connection.

                    SailConnection sc = c.getSailConnection();
                    try {
                        sc.begin();
                        SparqlTools.executeQuery(GOLD_TWEETS_QUERY, sc, System.out, 100, SparqlTools.SparqlResultFormat.JSON);
                    } finally {
                        sc.rollback();
                        sc.close();
                    }
                    //queryAndWriteJSON(ISWC_STATEMENTS_QUERY, sc, System.out);
                } finally {
                    c.close();

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                            client.processSampleStream(rLogger, deleter);
                        } finally {
                            persister.close();
                        }
                    } finally {
                        c.rollback();
                        c.close();
                    }
                } finally {
                    store.shutDown();
                }

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                        is.close();
                    }
                    sc.commit();
    sc.begin();
                } finally {
                    sc.rollback();
                    sc.close();
                }
            } catch (Throwable t) {
                LOGGER.severe("exception occurred while loading: " + t);
                t.printStackTrace(System.err);

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                    }
                } finally {
                    iter.close();
                }
            } finally {
                sc.rollback();
                sc.close();
            }
        } finally {
            w.close();
        }

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                            }
                        } finally {
                            persister.close();
                        }
                    } finally {
                        c.rollback();
                        c.close();
                    }
                } finally {
                    store.shutDown();
                }

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        SailConnection sc = sail.getConnection();
        try {
            sc.removeStatements(RDF.TYPE, null, null, (URI) null);
            sc.commit();
        } finally {
            sc.rollback();
            sc.close();
        }


        sail.shutDown();
        baseSail.shutDown();

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                            }
                        };


                        stressTest(h, 1000);
                    } finally {
                        tc.rollback();
                        tc.close();
                    }
                } finally {
                    store.shutDown();
                }

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                        c.removeStatements(null, null, null, uriOf(g));
                    }


                    c.commit();
                } finally {
                    c.rollback();
                    c.close();
                }
            } catch (SailException e) {
                throw new HandlerException(e);
            }

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        try {
            sc.begin();
            int count = countStatements(sc, null);
            assertEquals(1, count);
        } finally {
            sc.rollback();
            sc.close();
        }
    }


    public void testAddFromInputStream() throws Exception {

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            }


            inserter.endRDF();
            sc.commit();
        } finally {
            sc.rollback();
            sc.close();
        }
    }


    private void add(final Sail sail,

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