private void checkPendingEvent(String eventId)
throws UnexpectedResultReturnedFromDatabaseException {
try {
String eventTypeCode = openContractBusinessTransactionDao.getEventType(eventId);
String contractHash;
String negotiationId;
String negotiationIdFromDatabase;
ContractType contractType;
BusinessTransactionMetadata businessTransactionMetadata;
ContractTransactionStatus contractTransactionStatus;
if (eventTypeCode.equals(EventType.INCOMING_BUSINESS_TRANSACTION_CONTRACT_HASH.getCode())) {
// Check if contract is created:
List<Transaction<BusinessTransactionMetadata>> pendingTransactionList =
transactionTransmissionManager.getPendingTransactions(Specialist.UNKNOWN_SPECIALIST);
for (Transaction<BusinessTransactionMetadata> record : pendingTransactionList) {
businessTransactionMetadata = record.getInformation();
contractHash = businessTransactionMetadata.getContractHash();
if (openContractBusinessTransactionDao.isContractHashExists(contractHash)) {
negotiationId = businessTransactionMetadata.getNegotiationId();
negotiationIdFromDatabase = businessTransactionMetadata.getNegotiationId();
if (negotiationId.equals(negotiationIdFromDatabase)) {
contractTransactionStatus = ContractTransactionStatus.PENDING_CONFIRMATION;
} else {
contractTransactionStatus = ContractTransactionStatus.HASH_REJECTED;
}
openContractBusinessTransactionDao.updateContractTransactionStatus(
contractHash, contractTransactionStatus);
openContractBusinessTransactionDao.updateEventStatus(
contractHash, EventStatus.NOTIFIED);
transactionTransmissionManager.confirmReception(record.getTransactionID());
}
}
}
if (eventTypeCode.equals(
EventType.INCOMING_CONFIRM_BUSINESS_TRANSACTION_CONTRACT.getCode())) {
// Check if contract hash was sent.
List<Transaction<BusinessTransactionMetadata>> pendingTransactionList =
transactionTransmissionManager.getPendingTransactions(Specialist.UNKNOWN_SPECIALIST);
for (Transaction<BusinessTransactionMetadata> record : pendingTransactionList) {
businessTransactionMetadata = record.getInformation();
contractHash = businessTransactionMetadata.getContractHash();
if (openContractBusinessTransactionDao.isContractHashSentConfirmation(contractHash)) {
openContractBusinessTransactionDao.updateContractTransactionStatus(
contractHash, ContractTransactionStatus.PENDING_RESPONSE);
openContractBusinessTransactionDao.updateEventStatus(
contractHash, EventStatus.NOTIFIED);
transactionTransmissionManager.confirmReception(record.getTransactionID());
}
}
}
if (eventTypeCode.equals(
EventType.INCOMING_CONFIRM_BUSINESS_TRANSACTION_RESPONSE.getCode())) {
// TODO: check if contract hash was sent.
List<Transaction<BusinessTransactionMetadata>> pendingTransactionList =
transactionTransmissionManager.getPendingTransactions(Specialist.UNKNOWN_SPECIALIST);
for (Transaction<BusinessTransactionMetadata> record : pendingTransactionList) {
businessTransactionMetadata = record.getInformation();
contractHash = businessTransactionMetadata.getContractHash();
if (openContractBusinessTransactionDao.isContractHashPendingResponse(contractHash)) {
openContractBusinessTransactionDao.updateContractTransactionStatus(
contractHash, ContractTransactionStatus.CONTRACT_OPENED);
openContractBusinessTransactionDao.updateEventStatus(
contractHash, EventStatus.NOTIFIED);
contractType = openContractBusinessTransactionDao.getContractType(contractHash);
switch (contractType) {
case PURCHASE:
customerBrokerContractPurchaseManager
.updateStatusCustomerBrokerPurchaseContractStatus(
contractHash, ContractStatus.PENDING_PAYMENT);
}
transactionTransmissionManager.confirmReception(record.getTransactionID());
raiseNewContractEvent();
}
}
}
// TODO: look a better way to deal with this exceptions
} catch (CantDeliverPendingTransactionsException e) {
e.printStackTrace();
} catch (CantUpdateRecordException e) {
e.printStackTrace();
} catch (CantupdateCustomerBrokerContractPurchaseException e) {
e.printStackTrace();
} catch (CantConfirmTransactionException e) {
e.printStackTrace();
}
}
private void doTheMainTask() throws CannotSendContractHashException, CantUpdateRecordException {
try {
openContractBusinessTransactionDao =
new OpenContractBusinessTransactionDao(pluginDatabaseSystem, pluginId, database);
/** Check if exist in database new contracts to send */
List<String> contractPendingToSubmitList =
openContractBusinessTransactionDao.getPendingToSubmitContractHash();
String contractXML;
ContractPurchaseRecord purchaseContract = new ContractPurchaseRecord();
ContractSaleRecord saleContract = new ContractSaleRecord();
ContractType contractType;
UUID transactionId;
if (!contractPendingToSubmitList.isEmpty()) {
for (String hashToSubmit : contractPendingToSubmitList) {
System.out.println("OPEN CONTRACT - Hash to submit:\n" + hashToSubmit);
contractXML = openContractBusinessTransactionDao.getContractXML(hashToSubmit);
contractType = openContractBusinessTransactionDao.getContractType(hashToSubmit);
transactionId = openContractBusinessTransactionDao.getTransactionId(hashToSubmit);
switch (contractType) {
case PURCHASE:
purchaseContract =
(ContractPurchaseRecord) XMLParser.parseXML(contractXML, purchaseContract);
transactionTransmissionManager.sendContractHashToCryptoBroker(
transactionId,
purchaseContract.getPublicKeyCustomer(),
purchaseContract.getPublicKeyBroker(),
hashToSubmit,
purchaseContract.getNegotiationId());
break;
case SALE:
saleContract = (ContractSaleRecord) XMLParser.parseXML(contractXML, saleContract);
transactionTransmissionManager.sendContractHashToCryptoCustomer(
transactionId,
saleContract.getPublicKeyBroker(),
saleContract.getPublicKeyCustomer(),
hashToSubmit,
saleContract.getNegotiationId());
break;
}
// Update the ContractTransactionStatus
openContractBusinessTransactionDao.updateContractTransactionStatus(
hashToSubmit, ContractTransactionStatus.CHECKING_HASH);
}
}
/** Check if pending contract to confirm */
List<String> contractPendingToConfirmList =
openContractBusinessTransactionDao.getPendingToConfirmContractHash();
if (!contractPendingToConfirmList.isEmpty()) {
for (String hashToSubmit : contractPendingToSubmitList) {
System.out.println("OPEN CONTRACT - Hash to confirm:\n" + hashToSubmit);
contractXML = openContractBusinessTransactionDao.getContractXML(hashToSubmit);
contractType = openContractBusinessTransactionDao.getContractType(hashToSubmit);
switch (contractType) {
case PURCHASE:
purchaseContract =
(ContractPurchaseRecord) XMLParser.parseXML(contractXML, purchaseContract);
transactionTransmissionManager.sendTransactionNewStatusNotification(
purchaseContract.getPublicKeyCustomer(),
purchaseContract.getPublicKeyBroker(),
hashToSubmit,
ContractTransactionStatus.CONTRACT_CONFIRMED);
break;
case SALE:
saleContract = (ContractSaleRecord) XMLParser.parseXML(contractXML, saleContract);
transactionTransmissionManager.sendTransactionNewStatusNotification(
purchaseContract.getPublicKeyBroker(),
purchaseContract.getPublicKeyCustomer(),
hashToSubmit,
ContractTransactionStatus.CONTRACT_CONFIRMED);
break;
}
// Update the ContractTransactionStatus
openContractBusinessTransactionDao.updateContractTransactionStatus(
hashToSubmit, ContractTransactionStatus.CONTRACT_CONFIRMED);
}
}
/** Check if pending events */
List<String> pendingEventsIdList = openContractBusinessTransactionDao.getPendingEvents();
for (String eventId : pendingEventsIdList) {
checkPendingEvent(eventId);
}
} catch (CantGetContractListException e) {
throw new CannotSendContractHashException(
e, "Sending contract hash", "Cannot get the contract list from database");
} catch (UnexpectedResultReturnedFromDatabaseException e) {
throw new CannotSendContractHashException(
e, "Sending contract hash", "Unexpected result in database");
} catch (CantSendBusinessTransactionHashException e) {
throw new CannotSendContractHashException(
e, "Sending contract hash", "Error in Transaction Transmission Network Service");
}
}