@SuppressWarnings("unchecked")
private SlaveContext slaveContextOf(GraphDatabaseService graphDb) {
XaDataSourceManager dsManager =
((AbstractGraphDatabase) graphDb).getConfig().getTxModule().getXaDataSourceManager();
List<Pair<String, Long>> txs = new ArrayList<Pair<String, Long>>();
for (XaDataSource ds : dsManager.getAllRegisteredDataSources()) {
txs.add(Pair.of(ds.getName(), ds.getLastCommittedTxId()));
}
return new SlaveContext(0, 0, txs.toArray(new Pair[0]));
}
protected void configureSourceDb(final EmbeddedGraphDatabase graphDb) {
XaDataSource neoStoreXaDataSource =
graphDb
.getConfig()
.getPersistenceModule()
.getPersistenceManager()
.getPersistenceSource()
.getXaDataSource();
neoStoreXaDataSource.keepLogicalLogs(true);
XaDataSourceManager xaDsm = graphDb.getConfig().getTxModule().getXaDataSourceManager();
XaDataSource ds = xaDsm.getXaDataSource("lucene");
((LuceneDataSource) ds).keepLogicalLogs(true);
}
public DefaultUdcInformationCollector(
Config config,
XaDataSourceManager xadsm,
@SuppressWarnings("deprecation") KernelData kernel) {
this.config = config;
this.kernel = kernel;
nodeManager =
kernel.graphDatabase().getDependencyResolver().resolveDependency(NodeManager.class);
if (xadsm != null) {
xadsm.addDataSourceRegistrationListener(
new DataSourceRegistrationListener() {
@Override
public void registeredDataSource(XaDataSource ds) {
if (ds instanceof NeoStoreXaDataSource) {
crashPing = ds.getXaContainer().getLogicalLog().wasNonClean();
storeId = Long.toHexString(ds.getRandomIdentifier());
}
}
@Override
public void unregisteredDataSource(XaDataSource ds) {
if (ds instanceof NeoStoreXaDataSource) {
crashPing = false;
storeId = null;
}
}
});
}
}
byte[] getBranchId(XAResource xaRes) {
if (xaRes instanceof XaResource) {
byte branchId[] = ((XaResource) xaRes).getBranchId();
if (branchId != null) {
return branchId;
}
}
return xaDataSourceManager.getBranchId(xaRes);
}
@Override
public void start() {
for (XaDataSource ds : xaDsm.getAllRegisteredDataSources()) {
if (ds.getName().equals(Config.DEFAULT_DATA_SOURCE_NAME)) {
// load and verify from PS
NameData[] relTypes = null;
NameData[] propertyIndexes = null;
// beginTx();
relTypes = persistenceManager.loadAllRelationshipTypes();
propertyIndexes = persistenceManager.loadPropertyIndexes(INDEX_COUNT);
// commitTx();
addRawRelationshipTypes(relTypes);
addPropertyIndexes(propertyIndexes);
if (propertyIndexes.length < INDEX_COUNT) {
setHasAllpropertyIndexes(true);
}
}
}
}
@Override
public void start() throws Throwable {
// Do recovery on start - all Resources should be registered by now
Iterator<List<TxLog.Record>> danglingRecordList = txLog.getDanglingRecords();
boolean danglingRecordFound = danglingRecordList.hasNext();
if (danglingRecordFound) {
log.info("Unresolved transactions found, " + "recovery started ...");
msgLog.logMessage("TM non resolved transactions found in " + txLog.getName(), true);
// Recover DataSources
xaDataSourceManager.recover(danglingRecordList);
log.info(
"Recovery completed, all transactions have been " + "resolved to a consistent state.");
msgLog.logMessage(
"Recovery completed, all transactions have been " + "resolved to a consistent state.");
}
getTxLog().truncate();
}
@Override
public void doRecovery() throws Throwable {
TransactionResourceManager trm =
new TransactionResourceManager() {
@Override
public void returnXAResource(String rmName, XAResource rmXares) {
return;
}
};
try {
for (XaDataSource xaDs : xaDataSourceManager.getAllRegisteredDataSources()) {
Current.getTransactionRecovery()
.registerResourceManager(
xaDs.getName(), xaDs.getXaConnection().getXaResource(), xaDs.getName(), trm);
}
Current.getTransactionRecovery().startResourceManagerRecovery();
} catch (XAException e) {
throw new Error("Error registering xa datasource", e);
}
}
