tabbing
[iotcloud.git] / version2 / src / C / PendingTransaction.cc
index 538681552137deed8190fc3386d35c4b4f0dcc5c..088238e93aa4d9610a2dc44beb8742aa3b1880d0 100644 (file)
@@ -1,8 +1,13 @@
 #include "PendingTransaction.h"
+#include "KeyValue.h"
+#include "IoTString.h"
+#include "Transaction.h"
+#include "TransactionPart.h"
+#include "ByteBuffer.h"
 
 PendingTransaction::PendingTransaction(int64_t _machineId) :
        keyValueUpdateSet(new Hashset<KeyValue *>()),
-       keyValueGuardSet(new HashSet<KeyValue *>()),
+       keyValueGuardSet(new Hashset<KeyValue *>()),
        arbitrator(-1),
        clientLocalSequenceNumber(-1),
        machineId(_machineId),
@@ -15,27 +20,30 @@ PendingTransaction::PendingTransaction(int64_t _machineId) :
  */
 void PendingTransaction::addKV(KeyValue *newKV) {
 
-       KeyValue rmKV = NULL;
+       KeyValue *rmKV = NULL;
 
        // Make sure there are no duplicates
-       for (KeyValue kv : keyValueUpdateSet) {
-               if (kv.getKey().equals(newKV.getKey())) {
+       SetIterator<KeyValue *> *kvit = keyValueUpdateSet->iterator();
+       while (kvit->hasNext()) {
+               KeyValue *kv = kvit->next();
+               if (kv->getKey()->equals(newKV->getKey())) {
 
                        // Remove key if we are adding a newer version of the same key
                        rmKV = kv;
                        break;
                }
        }
+       delete kvit;
 
        // Remove key if we are adding a newer version of the same key
        if (rmKV != NULL) {
-               keyValueUpdateSet.remove(rmKV);
-               currentDataSize -= rmKV.getSize();
+               keyValueUpdateSet->remove(rmKV);
+               currentDataSize -= rmKV->getSize();
        }
 
        // Add the key to the hash set
-       keyValueUpdateSet.add(newKV);
-       currentDataSize += newKV.getSize();
+       keyValueUpdateSet->add(newKV);
+       currentDataSize += newKV->getSize();
 }
 
 /**
@@ -44,8 +52,8 @@ void PendingTransaction::addKV(KeyValue *newKV) {
  */
 void PendingTransaction::addKVGuard(KeyValue *newKV) {
        // Add the key to the hash set
-       keyValueGuardSet.add(newKV);
-       currentDataSize += newKV.getSize();
+       keyValueGuardSet->add(newKV);
+       currentDataSize += newKV->getSize();
 }
 
 /**
@@ -60,36 +68,41 @@ bool PendingTransaction::checkArbitrator(int64_t arb) {
        return arb == arbitrator;
 }
 
-bool PendingTransaction::evaluateGuard(Hashtable<IoTString *, KeyValue *> keyValTableCommitted, Hashtable<IoTString *, KeyValue *> keyValTableSpeculative, Hashtable<IoTString *, KeyValue *> keyValTablePendingTransSpeculative) {
-       for (KeyValue kvGuard : keyValueGuardSet) {
+bool PendingTransaction::evaluateGuard(Hashtable<IoTString *, KeyValue *> *keyValTableCommitted, Hashtable<IoTString *, KeyValue *> *keyValTableSpeculative, Hashtable<IoTString *, KeyValue *> *keyValTablePendingTransSpeculative) {
+       SetIterator<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 = keyValTablePendingTransSpeculative.get(kvGuard.getKey());
+               KeyValue *kv = keyValTablePendingTransSpeculative->get(kvGuard->getKey());
 
 
                if (kv == NULL) {
                        // if it is not in the pending trans table then check the speculative table and use that
                        // value as our latest assumption
-                       kv = keyValTableSpeculative.get(kvGuard.getKey());
+                       kv = keyValTableSpeculative->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 = keyValTableCommitted.get(kvGuard.getKey());
+                       kv = keyValTableCommitted->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()))) {
+                               delete kvit;
                                return false;
                        }
                } else {
                        if (kv != NULL) {
+                               delete kvit;
                                return false;
                        }
                }
        }
+       delete kvit;
        return true;
 }
 
@@ -101,24 +114,24 @@ Transaction *PendingTransaction::createTransaction() {
        Array<char> *charData = convertDataToBytes();
 
        int currentPosition = 0;
-       int remaining = charData.length;
+       int remaining = charData->length();
 
        while (remaining > 0) {
 
                bool isLastPart = false;
                // determine how much to copy
-               int copySize = TransactionPart.MAX_NON_HEADER_SIZE;
-               if (remaining <= TransactionPart.MAX_NON_HEADER_SIZE) {
+               int copySize = TransactionPart_MAX_NON_HEADER_SIZE;
+               if (remaining <= TransactionPart_MAX_NON_HEADER_SIZE) {
                        copySize = remaining;
                        isLastPart = true;// last bit of data so last part
                }
 
                // Copy to a smaller version
-               char[] partData = new char[copySize];
-               System.arraycopy(charData, currentPosition, partData, 0, copySize);
+               Array<char> *partData = new Array<char>(copySize);
+               System_arraycopy(charData, currentPosition, partData, 0, copySize);
 
-               TransactionPart part = new TransactionPart(NULL, machineId, arbitrator, clientLocalSequenceNumber, transactionPartCount, partData, isLastPart);
-               newTransaction.addPartEncode(part);
+               TransactionPart *part = new TransactionPart(NULL, machineId, arbitrator, clientLocalSequenceNumber, transactionPartCount, partData, isLastPart);
+               newTransaction->addPartEncode(part);
 
                // Update position, count and remaining
                currentPosition += copySize;
@@ -127,19 +140,24 @@ Transaction *PendingTransaction::createTransaction() {
        }
 
        // Add the Guard Conditions
-       for (KeyValue kv : keyValueGuardSet) {
-               newTransaction.addGuardKV(kv);
+       SetIterator<KeyValue *> *kvit = keyValueGuardSet->iterator();
+       while (kvit->hasNext()) {
+               KeyValue *kv = kvit->next();
+               newTransaction->addGuardKV(kv);
        }
+       delete kvit;
 
        //  Add the updates
-       for (KeyValue kv : keyValueUpdateSet) {
-               newTransaction.addUpdateKV(kv);
+       kvit = keyValueUpdateSet->iterator();
+       while (kvit->hasNext()) {
+               KeyValue *kv = kvit->next();
+               newTransaction->addUpdateKV(kv);
        }
-
+       delete kvit;
        return newTransaction;
 }
 
-Arrar<char> *PendingTransaction::convertDataToBytes() {
+Array<char> *PendingTransaction::convertDataToBytes() {
        // Calculate the size of the data
        int sizeOfData = 2 * sizeof(int32_t);   // Number of Update KV's and Guard KV's
        sizeOfData += currentDataSize;
@@ -149,18 +167,24 @@ Arrar<char> *PendingTransaction::convertDataToBytes() {
        ByteBuffer *bbEncode = ByteBuffer_wrap(dataArray);
 
        // Encode the size of the updates and guard sets
-       bbEncode->putInt(keyValueGuardSet.size());
-       bbEncode->putInt(keyValueUpdateSet.size());
+       bbEncode->putInt(keyValueGuardSet->size());
+       bbEncode->putInt(keyValueUpdateSet->size());
 
        // Encode all the guard conditions
-       for (KeyValue kv : keyValueGuardSet) {
+       SetIterator<KeyValue *> *kvit = keyValueGuardSet->iterator();
+       while (kvit->hasNext()) {
+               KeyValue *kv = kvit->next();
                kv->encode(bbEncode);
        }
+       delete kvit;
 
        // Encode all the updates
-       for (KeyValue kv : keyValueUpdateSet) {
+       kvit = keyValueUpdateSet->iterator();
+       while (kvit->hasNext()) {
+               KeyValue *kv = kvit->next();
                kv->encode(bbEncode);
        }
+       delete kvit;
 
        return bbEncode->array();
 }