//*** Local cache ***//
public override async Task <C8oLocalCacheResponse> GetResponseFromLocalCache(string c8oCallRequestIdentifier)
{
C8oFullSyncDatabase fullSyncDatabase = await GetOrCreateFullSyncDatabase(C8o.LOCAL_CACHE_DATABASE_NAME);
Document localCacheDocument = fullSyncDatabase.Database.GetExistingDocument(c8oCallRequestIdentifier);
if (localCacheDocument == null)
{
throw new C8oUnavailableLocalCacheException(C8oExceptionMessage.MissingLocalCacheResponseDocument());
}
IDictionary <string, object> properties = localCacheDocument.Properties;
string response;
string responseType;
long expirationDate;
if (!C8oUtils.TryGetParameterObjectValue <String>(properties, C8o.LOCAL_CACHE_DOCUMENT_KEY_RESPONSE, out response) ||
!C8oUtils.TryGetParameterObjectValue <String>(properties, C8o.LOCAL_CACHE_DOCUMENT_KEY_RESPONSE_TYPE, out responseType))
{
throw new C8oUnavailableLocalCacheException(C8oExceptionMessage.InvalidLocalCacheResponseInformation());
}
if (!C8oUtils.TryGetParameterObjectValue <long>(properties, C8o.LOCAL_CACHE_DOCUMENT_KEY_EXPIRATION_DATE, out expirationDate))
{
expirationDate = -1;
}
return(new C8oLocalCacheResponse(response, responseType, expirationDate));
}
public Task <C8oFullSyncDatabase> GetOrCreateFullSyncDatabase(string databaseName)
{
string localDatabaseName = databaseName + localSuffix;
if (!fullSyncDatabases.ContainsKey(localDatabaseName))
{
fullSyncDatabases[localDatabaseName] = new C8oFullSyncDatabase(c8o, manager, databaseName, fullSyncDatabaseUrlBase, localSuffix);
if (cblChangeListeners.ContainsKey(databaseName))
{
fullSyncDatabases[localDatabaseName].Database.Changed += cblChangeListeners[databaseName];
}
}
return(Task.FromResult <C8oFullSyncDatabase>(fullSyncDatabases[localDatabaseName]));
}
public override async Task SaveResponseToLocalCache(string c8oCallRequestIdentifier, C8oLocalCacheResponse localCacheResponse)
{
C8oFullSyncDatabase fullSyncDatabase = await GetOrCreateFullSyncDatabase(C8o.LOCAL_CACHE_DATABASE_NAME);
Document localCacheDocument = fullSyncDatabase.Database.GetDocument(c8oCallRequestIdentifier);
IDictionary <string, object> properties = new Dictionary <string, object>();
properties[C8o.LOCAL_CACHE_DOCUMENT_KEY_RESPONSE] = localCacheResponse.Response;
properties[C8o.LOCAL_CACHE_DOCUMENT_KEY_RESPONSE_TYPE] = localCacheResponse.ResponseType;
if (localCacheResponse.ExpirationDate > 0)
{
properties[C8o.LOCAL_CACHE_DOCUMENT_KEY_EXPIRATION_DATE] = localCacheResponse.ExpirationDate;
}
SavedRevision currentRevision = localCacheDocument.CurrentRevision;
if (currentRevision != null)
{
properties[FULL_SYNC__REV] = currentRevision.Id;
}
localCacheDocument.PutProperties(properties);
}
