protected boolean putInternal(Data key, Data value) {
throwExceptionIfNull(key);
throwExceptionIfNull(value);
Collection<MultiMapRecord> coll = txMap.get(key);
long recordId = -1;
long timeout = tx.getTimeoutMillis();
long ttl = extendTimeout(timeout);
final MultiMapTransactionLog log;
if (coll == null) {
MultiMapResponse response = lockAndGet(key, timeout, ttl);
if (response == null) {
throw new ConcurrentModificationException(
"Transaction couldn't obtain lock " + getThreadId());
}
recordId = response.getNextRecordId();
coll = createCollection(response.getRecordCollection(getNodeEngine()));
txMap.put(key, coll);
log = new MultiMapTransactionLog(key, name, ttl, getThreadId());
tx.addTransactionLog(log);
} else {
log = (MultiMapTransactionLog) tx.getTransactionLog(getTxLogKey(key));
}
MultiMapRecord record =
new MultiMapRecord(config.isBinary() ? value : getNodeEngine().toObject(value));
if (coll.add(record)) {
if (recordId == -1) {
recordId = nextId(key);
}
record.setRecordId(recordId);
TxnPutOperation operation = new TxnPutOperation(name, key, value, recordId);
log.addOperation(operation);
return true;
}
return false;
}
public int size() {
checkTransactionState();
try {
final OperationService operationService = getNodeEngine().getOperationService();
final Map<Integer, Object> results =
operationService.invokeOnAllPartitions(
MultiMapService.SERVICE_NAME,
new MultiMapOperationFactory(
name, MultiMapOperationFactory.OperationFactoryType.SIZE));
int size = 0;
for (Object obj : results.values()) {
if (obj == null) {
continue;
}
Integer result = getNodeEngine().toObject(obj);
size += result;
}
for (Data key : txMap.keySet()) {
MultiMapTransactionLog log =
(MultiMapTransactionLog) tx.getTransactionLog(getTxLogKey(key));
if (log != null) {
size += log.size();
}
}
return size;
} catch (Throwable t) {
throw ExceptionUtil.rethrow(t);
}
}
protected boolean removeInternal(Data key, Data value) {
throwExceptionIfNull(key);
throwExceptionIfNull(value);
Collection<MultiMapRecord> coll = txMap.get(key);
long timeout = tx.getTimeoutMillis();
long ttl = extendTimeout(timeout);
final MultiMapTransactionLog log;
if (coll == null) {
MultiMapResponse response = lockAndGet(key, timeout, ttl);
if (response == null) {
throw new ConcurrentModificationException(
"Transaction couldn't obtain lock " + getThreadId());
}
coll = createCollection(response.getRecordCollection(getNodeEngine()));
txMap.put(key, coll);
log = new MultiMapTransactionLog(key, name, ttl, getThreadId());
tx.addTransactionLog(log);
} else {
log = (MultiMapTransactionLog) tx.getTransactionLog(getTxLogKey(key));
}
MultiMapRecord record =
new MultiMapRecord(config.isBinary() ? value : getNodeEngine().toObject(value));
Iterator<MultiMapRecord> iterator = coll.iterator();
long recordId = -1;
while (iterator.hasNext()) {
MultiMapRecord r = iterator.next();
if (r.equals(record)) {
iterator.remove();
recordId = r.getRecordId();
break;
}
}
if (recordId != -1) {
TxnRemoveOperation operation = new TxnRemoveOperation(name, key, recordId, value);
log.addOperation(operation);
return recordId != -1;
}
return false;
}
protected Collection<MultiMapRecord> removeAllInternal(Data key) {
throwExceptionIfNull(key);
long timeout = tx.getTimeoutMillis();
long ttl = extendTimeout(timeout);
Collection<MultiMapRecord> coll = txMap.get(key);
final MultiMapTransactionLog log;
if (coll == null) {
MultiMapResponse response = lockAndGet(key, timeout, ttl);
if (response == null) {
throw new ConcurrentModificationException(
"Transaction couldn't obtain lock " + getThreadId());
}
coll = createCollection(response.getRecordCollection(getNodeEngine()));
log = new MultiMapTransactionLog(key, name, ttl, getThreadId());
tx.addTransactionLog(log);
} else {
log = (MultiMapTransactionLog) tx.getTransactionLog(getTxLogKey(key));
}
txMap.put(key, createCollection());
TxnRemoveAllOperation operation = new TxnRemoveAllOperation(name, key, coll);
log.addOperation(operation);
return coll;
}