/**
* Replaces documents in the collection with given documents. This method is used to modify documents inside a collection by replacing existing documents with given documents. The field used to perform the replacement is the document unique identifier (_id).
*/
public int replaceDocuments(JArray documents, bool markDirty)
{
// get the shared manager
JSONStoreSQLLite store = JSONStoreSQLLite.sharedManager();
if (store == null)
{
//JSONStoreLoggerError(@"Error: JSON_STORE_DATABASE_NOT_OPEN, code: %d", rc);
throw new JSONStoreException(JSONStoreConstants.JSON_STORE_DATABASE_NOT_OPEN);
}
int numReplaced = 0;
JArray failures = new JArray();
lock (JSONStore.lockThis)
{
if (!JSONStore.transactionInProgress)
{
//Start transaction
store.startTransaction();
}
foreach (JToken document in documents)
{
bool worked = store.replace(document, collectionName, markDirty);
if (worked)
{
//It worked, increment the number of docs replaced
numReplaced++;
}
else
{
//If we can't store all the data, we rollback and go
//to the error callback
numReplaced = JSONStoreConstants.JSON_STORE_PERSISTENT_STORE_FAILURE;
failures.Add(document);
break;
}
}
if (numReplaced < 0)
{
if (!JSONStore.transactionInProgress)
{
store.rollbackTransaction();
}
throw new JSONStoreException(JSONStoreConstants.JSON_STORE_REPLACE_DOCUMENTS_FAILURE, failures);
}
// things worked, commit
if (!JSONStore.transactionInProgress)
{
store.commitTransaction();
}
return(numReplaced);
}
}
/**
* Stores data as documents in the collection.
*/
public int addData(JArray jsonArray, bool markDirty, JSONStoreAddOptions options)
{
// get the shared manager
JSONStoreSQLLite store = JSONStoreSQLLite.sharedManager();
if (store == null)
{
//JSONStoreLoggerError(@"Error: JSON_STORE_DATABASE_NOT_OPEN, code: %d", rc);
throw new JSONStoreException(JSONStoreConstants.JSON_STORE_DATABASE_NOT_OPEN);
}
int numWorked = 0;
lock (JSONStore.lockThis)
{
//Start transaction if no user transaction is already open
if (!JSONStore.transactionInProgress)
{
store.startTransaction();
}
foreach (JObject data in jsonArray)
{
// loop through all the data in the array and attempt to store
if (store.storeObject(data, collectionName, markDirty, options.additionalSearchFields))
{
numWorked++;
}
else
{
//If we can't store all the data, we rollback and go
//to the error callback
if (!JSONStore.transactionInProgress)
{
store.rollbackTransaction();
}
throw new JSONStoreException(JSONStoreConstants.JSON_STORE_PERSISTENT_STORE_FAILURE);
}
}
// things worked, commit
if (!JSONStore.transactionInProgress)
{
store.commitTransaction();
}
return(numWorked);
}
}
/**
* Rollback user transaction
*/
public static bool rollbackTransaction()
{
lock (lockThis)
{
bool worked = true;
// get the shared manager
JSONStoreSQLLite store = JSONStoreSQLLite.sharedManager();
if (store == null)
{
//JSONStoreLoggerError(@"Error: JSON_STORE_DATABASE_NOT_OPEN, code: %d", rc);
// problem getting the shared manager for this username
throw new JSONStoreException(JSONStoreConstants.JSON_STORE_DATABASE_NOT_OPEN);
}
if (!transactionInProgress)
{
worked = false;
//JSONStoreLoggerError(@"Error: JSON_STORE_NO_TRANSACTION_IN_PROGRESS, code: %d", rc);
throw new JSONStoreException(JSONStoreConstants.JSON_STORE_NO_TRANSACTION_IN_PROGRESS);
}
else
{
worked = store.rollbackTransaction();
if (!worked)
{
transactionInProgress = false;
//JSONStoreLoggerError(@"Error: JSON_STORE_TRANSACTION_FAILURE, code: %d", rc);
throw new JSONStoreException(JSONStoreConstants.JSON_STORE_TRANSACTION_FAILURE);
}
transactionInProgress = false;
}
//JSONStoreLoggerAnalytics(username != nil ? username : @"", @"", @"commitTransaction", startTime, rc);
return(worked);
}
}