#include "Transaction.h"
-
-Transaction::Transaction() {
- parts = new Hashtable<int32_t, TransactionPart>();
- keyValueGuardSet = new HashSet<KeyValue>();
- keyValueUpdateSet = new HashSet<KeyValue>();
- partsPendingSend = new Vector<int32_t>();
+#include "TransactionPart.h"
+#include "KeyValue.h"
+#include "ByteBuffer.h"
+#include "IoTString.h"
+#include "TransactionStatus.h"
+
+Transaction::Transaction() :
+ parts(new Vector<TransactionPart *>()),
+ partCount(0),
+ missingParts(NULL),
+ partsPendingSend(new Vector<int32_t>()),
+ fldisComplete(false),
+ hasLastPart(false),
+ keyValueGuardSet(new Hashset<KeyValue *>()),
+ keyValueUpdateSet(new Hashset<KeyValue *>()),
+ isDead(false),
+ sequenceNumber(-1),
+ clientLocalSequenceNumber(-1),
+ arbitratorId(-1),
+ machineId(-1),
+ transactionId(Pair<int64_t, int64_t>(0,0)),
+ hadServerFailure(false) {
}
void Transaction::addPartEncode(TransactionPart *newPart) {
- parts.put(newPart.getPartNumber(), newPart);
- partsPendingSend.add(newPart.getPartNumber());
-
- sequenceNumber = newPart.getSequenceNumber();
- arbitratorId = newPart.getArbitratorId();
- transactionId = newPart.getTransactionId();
- clientLocalSequenceNumber = newPart.getClientLocalSequenceNumber();
- machineId = newPart.getMachineId();
-
- isComplete = true;
+ TransactionPart *old = parts->setExpand(newPart->getPartNumber(), newPart);
+ if (old == NULL)
+ partCount++;
+ partsPendingSend->add(newPart->getPartNumber());
+
+ sequenceNumber = newPart->getSequenceNumber();
+ arbitratorId = newPart->getArbitratorId();
+ transactionId = newPart->getTransactionId();
+ clientLocalSequenceNumber = newPart->getClientLocalSequenceNumber();
+ machineId = newPart->getMachineId();
+
+ fldisComplete = true;
}
void Transaction::addPartDecode(TransactionPart *newPart) {
if (isDead) {
// If dead then just kill this part and move on
- newPart.setDead();
+ newPart->setDead();
return;
}
- sequenceNumber = newPart.getSequenceNumber();
- arbitratorId = newPart.getArbitratorId();
- transactionId = newPart.getTransactionId();
- clientLocalSequenceNumber = newPart.getClientLocalSequenceNumber();
- machineId = newPart.getMachineId();
+ sequenceNumber = newPart->getSequenceNumber();
+ arbitratorId = newPart->getArbitratorId();
+ transactionId = newPart->getTransactionId();
+ clientLocalSequenceNumber = newPart->getClientLocalSequenceNumber();
+ machineId = newPart->getMachineId();
- TransactionPart previoslySeenPart = parts.put(newPart.getPartNumber(), newPart);
+ TransactionPart *previouslySeenPart = parts->setExpand(newPart->getPartNumber(), newPart);
+ if (previouslySeenPart == NULL)
+ partCount++;
- if (previoslySeenPart != NULL) {
+ if (previouslySeenPart != NULL) {
// Set dead the old one since the new one is a rescued version of this part
- previoslySeenPart.setDead();
- } else if (newPart.isLastPart()) {
- missingParts = new HashSet<int32_t>();
+ previouslySeenPart->setDead();
+ } else if (newPart->isLastPart()) {
+ missingParts = new Hashset<int32_t>();
hasLastPart = true;
- for (int i = 0; i < newPart.getPartNumber(); i++) {
- if (parts.get(i) == NULL) {
- missingParts.add(i);
+ for (int i = 0; i < newPart->getPartNumber(); i++) {
+ if (parts->get(i) == NULL) {
+ missingParts->add(i);
}
}
}
- if (!isComplete && hasLastPart) {
+ if (!fldisComplete && hasLastPart) {
// We have seen this part so remove it from the set of missing parts
- missingParts.remove(newPart.getPartNumber());
+ missingParts->remove(newPart->getPartNumber());
// Check if all the parts have been seen
- if (missingParts.size() == 0) {
+ if (missingParts->size() == 0) {
// We have all the parts
- isComplete = true;
+ fldisComplete = true;
// Decode all the parts and create the key value guard and update sets
decodeTransactionData();
}
void Transaction::addUpdateKV(KeyValue *kv) {
- keyValueUpdateSet.add(kv);
+ keyValueUpdateSet->add(kv);
}
void Transaction::addGuardKV(KeyValue *kv) {
- keyValueGuardSet.add(kv);
+ keyValueGuardSet->add(kv);
}
void Transaction::setSequenceNumber(int64_t _sequenceNumber) {
sequenceNumber = _sequenceNumber;
- for (int32_t i : parts.keySet()) {
- parts.get(i).setSequenceNumber(sequenceNumber);
+ for (uint32_t i = 0; i < parts->size(); i++) {
+ TransactionPart *tp = parts->get(i);
+ if (tp != NULL)
+ tp->setSequenceNumber(sequenceNumber);
}
}
return clientLocalSequenceNumber;
}
-Hashtable<int32_t, TransactionPart *> *Transaction::getParts() {
+Vector<TransactionPart *> *Transaction::getParts() {
return parts;
}
bool Transaction::didSendAPartToServer() {
- return didSendAPartToServer;
+ return flddidSendAPartToServer;
}
void Transaction::resetNextPartToSend() {
}
TransactionPart *Transaction::getNextPartToSend() {
- if ((partsPendingSend.size() == 0) || (partsPendingSend.size() == nextPartToSend)) {
+ if ((partsPendingSend->size() == 0) || (partsPendingSend->size() == nextPartToSend)) {
return NULL;
}
- TransactionPart part = parts.get(partsPendingSend.get(nextPartToSend));
+ TransactionPart *part = parts->get(partsPendingSend->get(nextPartToSend));
nextPartToSend++;
return part;
}
void Transaction::removeSentParts(Vector<int32_t> *sentParts) {
nextPartToSend = 0;
- if (partsPendingSend.removeAll(sentParts))
- {
- didSendAPartToServer = true;
- transactionStatus.setTransactionSequenceNumber(sequenceNumber);
+ bool changed = false;
+ uint lastusedindex = 0;
+ for (uint i = 0; i < partsPendingSend->size(); i++) {
+ int32_t parti = partsPendingSend->get(i);
+ for (uint j = 0; j < sentParts->size(); j++) {
+ int32_t partj = sentParts->get(j);
+ if (parti == partj) {
+ changed = true;
+ goto NextElement;
+ }
+ }
+ partsPendingSend->set(lastusedindex++, parti);
+NextElement:
+ ;
+ }
+ if (changed) {
+ partsPendingSend->setSize(lastusedindex);
+ flddidSendAPartToServer = true;
+ transactionStatus->setTransactionSequenceNumber(sequenceNumber);
}
}
bool Transaction::didSendAllParts() {
- return partsPendingSend.isEmpty();
+ return partsPendingSend->isEmpty();
}
Hashset<KeyValue *> *Transaction::getKeyValueUpdateSet() {
}
int Transaction::getNumberOfParts() {
- return parts.size();
+ return partCount;
}
int64_t Transaction::getMachineId() {
}
bool Transaction::isComplete() {
- return isComplete;
+ return fldisComplete;
}
Pair<int64_t, int64_t> *Transaction::getId() {
- return transactionId;
+ return &transactionId;
}
void Transaction::setDead() {
- if (isDead) {
- // Already dead
- return;
- }
-
- // Set dead
- isDead = true;
-
- // Make all the parts of this transaction dead
- for (int32_t partNumber : parts.keySet()) {
- TransactionPart part = parts.get(partNumber);
- part.setDead();
+ if (!isDead) {
+ // Set dead
+ isDead = true;
+ // Make all the parts of this transaction dead
+ for (uint32_t partNumber = 0; partNumber < parts->size(); partNumber++) {
+ TransactionPart *part = parts->get(partNumber);
+ if (part != NULL)
+ part->setDead();
+ }
}
}
TransactionPart *Transaction::getPart(int index) {
- return parts.get(index);
+ return parts->get(index);
}
void Transaction::decodeTransactionData() {
-
// Calculate the size of the data section
int dataSize = 0;
- for (int i = 0; i < parts.keySet().size(); i++) {
- TransactionPart tp = parts.get(i);
- dataSize += tp.getDataSize();
+ for (uint i = 0; i < parts->size(); i++) {
+ TransactionPart *tp = parts->get(i);
+ dataSize += tp->getDataSize();
}
- Array<char> *combinedData = new char[dataSize];
+ Array<char> *combinedData = new Array<char>(dataSize);
int currentPosition = 0;
// Stitch all the data sections together
- for (int i = 0; i < parts.keySet().size(); i++) {
- TransactionPart tp = parts.get(i);
- System.arraycopy(tp.getData(), 0, combinedData, currentPosition, tp.getDataSize());
- currentPosition += tp.getDataSize();
+ for (uint i = 0; i < parts->size(); i++) {
+ TransactionPart *tp = parts->get(i);
+ System_arraycopy(tp->getData(), 0, combinedData, currentPosition, tp->getDataSize());
+ currentPosition += tp->getDataSize();
}
// Decoder Object
- ByteBuffer bbDecode = ByteBuffer.wrap(combinedData);
+ ByteBuffer *bbDecode = ByteBuffer_wrap(combinedData);
// Decode how many key value pairs need to be decoded
- int numberOfKVGuards = bbDecode.getInt();
- int numberOfKVUpdates = bbDecode.getInt();
+ int numberOfKVGuards = bbDecode->getInt();
+ int numberOfKVUpdates = bbDecode->getInt();
// Decode all the guard key values
for (int i = 0; i < numberOfKVGuards; i++) {
- KeyValue kv = (KeyValue)KeyValue.decode(bbDecode);
- keyValueGuardSet.add(kv);
+ KeyValue *kv = (KeyValue *)KeyValue_decode(bbDecode);
+ keyValueGuardSet->add(kv);
}
// Decode all the updates key values
for (int i = 0; i < numberOfKVUpdates; i++) {
- KeyValue kv = (KeyValue)KeyValue.decode(bbDecode);
- keyValueUpdateSet.add(kv);
+ KeyValue *kv = (KeyValue *)KeyValue_decode(bbDecode);
+ keyValueUpdateSet->add(kv);
}
}
-bool Transaction::evaluateGuard(Hashtable<IoTString *, KeyValue *> *committedKeyValueTable, Hashtable<IoTString *, KeyValue *> *speculatedKeyValueTable, Hashtable<IoTString *, KeyValue *> *pendingTransactionSpeculatedKeyValueTable) {
- for (KeyValue *kvGuard : keyValueGuardSet) {
-
+bool Transaction::evaluateGuard(Hashtable<IoTString *, KeyValue *, uintptr_t, 0, hashString, StringEquals> *committedKeyValueTable, Hashtable<IoTString *, KeyValue *, uintptr_t, 0, hashString, StringEquals> *speculatedKeyValueTable, Hashtable<IoTString *, KeyValue *, uintptr_t, 0, hashString, StringEquals> *pendingTransactionSpeculatedKeyValueTable) {
+ SetIterator<KeyValue *, KeyValue *> *kvit = keyValueGuardSet->iterator();
+ while (kvit->hasNext()) {
+ KeyValue *kvGuard = kvit->next();
// First check if the key is in the speculative table, this is the value of the latest assumption
- KeyValue kv = NULL;
+ KeyValue *kv = NULL;
// If we have a speculation table then use it first
if (pendingTransactionSpeculatedKeyValueTable != NULL) {
- kv = pendingTransactionSpeculatedKeyValueTable.get(kvGuard.getKey());
+ kv = pendingTransactionSpeculatedKeyValueTable->get(kvGuard->getKey());
}
// If we have a speculation table then use it first
if ((kv == NULL) && (speculatedKeyValueTable != NULL)) {
- kv = speculatedKeyValueTable.get(kvGuard.getKey());
+ kv = speculatedKeyValueTable->get(kvGuard->getKey());
}
if (kv == NULL) {
// if it is not in the speculative table then check the committed table and use that
// value as our latest assumption
- kv = committedKeyValueTable.get(kvGuard.getKey());
+ kv = committedKeyValueTable->get(kvGuard->getKey());
}
- if (kvGuard.getValue() != NULL) {
- if ((kv == NULL) || (!kvGuard.getValue().equals(kv.getValue()))) {
+ if (kvGuard->getValue() != NULL) {
+ if ((kv == NULL) || (!kvGuard->getValue()->equals(kv->getValue()))) {
if (kv != NULL) {
- System.out.println(kvGuard.getValue() + " " + kv.getValue());
+ printf("%s %s\n", kvGuard->getKey()->internalBytes()->internalArray(), kv->getValue()->internalBytes()->internalArray());
} else {
- System.out.println(kvGuard.getValue() + " " + kv);
+ printf("%s null\n", kvGuard->getValue()->internalBytes()->internalArray());
}
-
+ delete kvit;
return false;
}
} else {
if (kv != NULL) {
+ delete kvit;
return false;
}
}
}
+ delete kvit;
return true;
}