/**
* Begin txn.
*
* @param timeOut the time out
* @return the long
* @throws js.co.uk.tuplespace.store.TransactionException the transaction exception
*/
public synchronized TransactionID beginTxn(final Long timeOut) throws TransactionException {
// new id
final Transaction<V> txn = new Transaction<V>(++transactionID, parentCollection);
txnTimeoutQueue.add(txn, timeOut, TimeUnit.MILLISECONDS);
idToTxnMap.put(txn.getTxnId(), txn);
return txn.getTxnId();
}
@Override
public void begin(Transaction txn) {
// debug("%s begin", txn.getLabel()) ;
if (this.txn.getTxnId() != txn.getTxnId())
throw new TDBException(
String.format("Different transactions: %s %s", this.txn.getLabel(), txn.getLabel()));
if (passthrough) throw new TDBException("Already active");
passthrough = false;
allocOffset = base.allocOffset().getId();
// base node table empty e.g. first use.
journalObjFileStartOffset = journalObjFile.length();
// Because the data is written in prepare, the journal of object data is
// always empty at the start of a transaction.
if (journalObjFileStartOffset != 0)
warn(
log,
"%s journalStartOffset not zero: %d/0x%02X",
txn.getLabel(),
journalObjFileStartOffset,
journalObjFileStartOffset);
allocOffset += journalObjFileStartOffset;
this.nodeTableJournal = new NodeTableNative(nodeIndex, journalObjFile);
this.nodeTableJournal = NodeTableCache.create(nodeTableJournal, CacheSize, CacheSize, 100);
// This class knows about non-mappable inline values. mapToJournal(NodeId)/mapFromJournal.
this.nodeTableJournal = NodeTableInline.create(nodeTableJournal);
}
public TransactionDataset(List<Transaction> txnsList) {
this.txnsByUserIdMap = new HashMap<Integer, List<Transaction>>();
this.txnsByTxnIdMap = new HashMap<String, Transaction>(txnsList.size());
for (Transaction e : txnsList) {
txnsByTxnIdMap.put(String.valueOf(e.getTxnId()), e);
Integer userId = e.getUserId();
List<Transaction> userTxns = txnsByUserIdMap.get(userId);
if (userTxns == null) {
userTxns = new ArrayList<Transaction>();
txnsByUserIdMap.put(userId, userTxns);
}
if (maxUserId == null || e.getUserId() > maxUserId) {
maxUserId = e.getUserId();
}
userTxns.add(e);
}
instanceBuilder = new TransactionInstanceBuilder();
}