public SyncConflictResolution ConflictHandler(SyncConflictContext context, out IOfflineEntity mergedEntity)
{
// Add a dummy header to the response indicating that the interceptor method was invoked.
context.ResponseHeaders.Add("ConflictInterceptorFired", "true");
// The mergedEntity is used as the winner of the conflict
// when this method returns SyncConflictResolution.Merge as the resolution.
// For other resolutions such as SyncConflictResolution.ClientWins and SyncConflictResolution.ServerWins
// the mergedEntity should be set to null.
mergedEntity = null;
return(SyncConflictResolution.ClientWins);
}
/// <summary>
/// Creates a new instance of the <see cref="SqlSyncProviderService" /> class. Also uses the batch handler passed as parameter if it is not null.
/// </summary>
/// <param name="configuration">Sync configuration</param>
/// <param name="serverScope">Server scope/template</param>
/// <param name="filterParams">Filter parameters. Pass null for no filter parameters.</param>
/// <param name="operationContext">SyncOperationContext object to create the SyncConflictContext object.</param>
/// <param name="batchHandler">Batch Handler for spooling and retrieving batches.</param>
internal SqlSyncProviderService(SyncServiceConfiguration configuration, string serverScope, List<SqlSyncProviderFilterParameterInfo> filterParams,
SyncOperationContext operationContext, IBatchHandler batchHandler)
{
WebUtil.CheckArgumentNull(serverScope, "serverScope");
_configuration = configuration;
_serverConnectionString = _configuration.ServerConnectionString;
_scopeName = serverScope;
_conflictResolutionPolicy = _configuration.ConflictResolutionPolicy;
_filterParams = filterParams;
_converter = new DataSetToEntitiesConverter(_configuration.TableGlobalNameToTypeMapping,
_configuration.TypeToTableGlobalNameMapping,
_configuration.TypeToTableLocalNameMapping);
_batchHandler = batchHandler ?? new FileBasedBatchHandler(_configuration.BatchSpoolDirectory);
if (operationContext != null)
{
_conflictContext = new SyncConflictContext()
{
ScopeName = serverScope,
Operation = SyncOperations.Upload,
RequestHeaders = operationContext.RequestHeaders,
ResponseHeaders = operationContext.ResponseHeaders,
QueryString = operationContext.QueryString
};
}
}
