public void testUpdate() {
BrokerPool.FORCE_CORRUPTION = true;
BrokerPool pool = null;
DBBroker broker = null;
try {
pool = startDB();
assertNotNull(pool);
broker = pool.get(SecurityManager.SYSTEM_USER);
assertNotNull(broker);
TransactionManager mgr = pool.getTransactionManager();
assertNotNull(mgr);
IndexInfo info = init(broker, mgr);
assertNotNull(info);
DocumentSet docs = new DocumentSet();
docs.add(info.getDocument());
XUpdateProcessor proc = new XUpdateProcessor(broker, docs, AccessContext.TEST);
assertNotNull(proc);
Txn transaction = mgr.beginTransaction();
assertNotNull(transaction);
System.out.println("Transaction started ...");
String xupdate;
Modification modifications[];
// append some new element to records
for (int i = 1; i <= 200; i++) {
xupdate =
"<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">"
+ " <xu:append select=\"/products\">"
+ " <product>"
+ " <xu:attribute name=\"id\"><xu:value-of select=\"count(/products/product) + 1\"/></xu:attribute>"
+ " <description>Product "
+ i
+ "</description>"
+ " <price>"
+ (i * 2.5)
+ "</price>"
+ " <stock>"
+ (i * 10)
+ "</stock>"
+ " </product>"
+ " </xu:append>"
+ "</xu:modifications>";
proc.setBroker(broker);
proc.setDocumentSet(docs);
modifications = proc.parse(new InputSource(new StringReader(xupdate)));
assertNotNull(modifications);
modifications[0].process(transaction);
proc.reset();
}
DOMFile domDb = ((NativeBroker) broker).getDOMFile();
assertNotNull(domDb);
System.out.println(domDb.debugPages(info.getDocument(), false));
mgr.commit(transaction);
System.out.println("Transaction commited ...");
// the following transaction will not be committed and thus undone during recovery
transaction = mgr.beginTransaction();
assertNotNull(transaction);
System.out.println("Transaction started ...");
// rename elements
xupdate =
"<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">"
+ " <xu:rename select=\"/products/product/description\">descript</xu:rename>"
+ "</xu:modifications>";
proc.setBroker(broker);
proc.setDocumentSet(docs);
modifications = proc.parse(new InputSource(new StringReader(xupdate)));
assertNotNull(modifications);
modifications[0].process(transaction);
proc.reset();
// Don't commit...
pool.getTransactionManager().getJournal().flushToLog(true);
System.out.println("Transaction interrupted ...");
} catch (Exception e) {
e.printStackTrace();
fail(e.getMessage());
} finally {
pool.release(broker);
}
}
@Override
public void execute(DBBroker broker) throws EXistException {
final Agent agentInstance = AgentFactory.getInstance();
final BrokerPool brokerPool = broker.getBrokerPool();
final TaskStatus endStatus = new TaskStatus(TaskStatus.Status.STOPPED_OK);
agentInstance.changeStatus(brokerPool, new TaskStatus(TaskStatus.Status.INIT));
if (paused) {
LOG.info("Consistency check is paused.");
agentInstance.changeStatus(brokerPool, new TaskStatus(TaskStatus.Status.PAUSED));
return;
}
brokerPool.getProcessMonitor().startJob(ProcessMonitor.ACTION_BACKUP, null, monitor);
PrintWriter report = null;
try {
boolean doBackup = createBackup;
// TODO: don't use the direct access feature for now. needs more testing
List<ErrorReport> errors = null;
if (!incremental || incrementalCheck) {
LOG.info("Starting consistency check...");
report = openLog();
final CheckCallback cb = new CheckCallback(report);
final ConsistencyCheck check = new ConsistencyCheck(broker, false, checkDocs);
agentInstance.changeStatus(brokerPool, new TaskStatus(TaskStatus.Status.RUNNING_CHECK));
errors = check.checkAll(cb);
if (!errors.isEmpty()) {
endStatus.setStatus(TaskStatus.Status.STOPPED_ERROR);
endStatus.setReason(errors);
LOG.error("Errors found: " + errors.size());
doBackup = true;
if (fatalErrorsFound(errors)) {
LOG.error("Fatal errors were found: pausing the consistency check task.");
paused = true;
}
}
LOG.info("Finished consistency check");
}
if (doBackup) {
LOG.info("Starting backup...");
final SystemExport sysexport = new SystemExport(broker, logCallback, monitor, false);
lastExportedBackup = sysexport.export(exportDir, incremental, maxInc, createZip, errors);
agentInstance.changeStatus(brokerPool, new TaskStatus(TaskStatus.Status.RUNNING_BACKUP));
if (lastExportedBackup != null) {
LOG.info("Created backup to file: " + lastExportedBackup.getAbsolutePath());
}
LOG.info("Finished backup");
}
} catch (final TerminatedException e) {
throw new EXistException(e.getMessage(), e);
} catch (final PermissionDeniedException e) {
// TODO should maybe throw PermissionDeniedException instead!
throw new EXistException(e.getMessage(), e);
} finally {
if (report != null) {
report.close();
}
agentInstance.changeStatus(brokerPool, endStatus);
brokerPool.getProcessMonitor().endJob();
}
}
