public static void Synchronize()
{
ConnectionProperties
remote = new ConnectionProperties(Settings.Default.RemoteServer, Settings.Default.RemoteDb),
local = new ConnectionProperties(Settings.Default.LocalServer, Settings.Default.LocalDb);
using (var service = new SchemaServiceClient()) {
//check for schema update
byte version = service.GetSchemaVersion();
if (version > Settings.Default.SchemaVersion)
{
//synchronise schema
StructureProject structure = new StructureProject(remote, local);
structure.ComparisonOptions.IgnoreIdentitySeedAndIncrement = true;
structure.MappedObjects.ExcludeAllFromComparison();
//select the desired tables and triggers
var tables = Settings.Default.Tables.Split(',');
structure.MappedTables.IncludeInComparison(tables.Select(t => '^' + t + '$').ToArray());
structure.MappedTriggers.IncludeInComparison(tables.Select(t => '^' + t + "_TimeStamp$").ToArray());
structure.ComparedObjects.IncludeAllInSynchronization();
Synchronise(structure);
Settings.Default.SchemaVersion = version;
Settings.Default.Save();
}
//server to client
DataProject down = new DataProject(remote, local);
#pragma warning disable 612
down.ComparisonOptions.CompareAdditionalRows = false;
#pragma warning restore 612
//only retrieve rows which have changed since last sync
string timestamp = "TimeStamp > '" + Settings.Default.LastSync.ToString("yyyy-MM-dd HH:mm:ss") + "'";
foreach (MappedDataObject <Table> table in down.MappedTables)
{
table.WhereClause.SourceFilter = timestamp;
table.WhereClause.UseSourceFilterForDestination = false;
}
down.ComparedObjects.IncludeAllInSynchronization();
Synchronise(down);
//client to server
DataProject up = new DataProject(local, remote);
#pragma warning disable 612
up.ComparisonOptions.CompareAdditionalRows = false;
#pragma warning restore 612
using (var con = new SqlConnection(Settings.Default.Local))
foreach (MappedDataObject <Table> table in up.MappedTables)
{
StringBuilder ids = new StringBuilder("ID in (");
using (var com = new SqlCommand("select ID from " + table.SourceName + " where " + timestamp, con)) {
con.Open();
using (var results = com.ExecuteReader(CommandBehavior.CloseConnection))
while (results.Read())
{
ids.Append(results[0]).Append(',');
}
}
if (ids[ids.Length - 1] == '(')
{
table.IncludeInComparison = false;
}
else
{
table.WhereClause.SourceFilter = ids.Remove(ids.Length - 1, 1).Append(')').ToString();
}
}
try {
up.ComparedObjects.IncludeAllInSynchronization();
Synchronise(up);
}
catch (NoSelectedForOperationObjectsException) { }
Settings.Default.LastSync = DateTime.Now;
Settings.Default.Save();
//do we have an ID range?
if (Settings.Default.MaxID == 0)
{
var range = service.GetIdRange(Environment.MachineName);
Settings.Default.MinID = range.Min;
Settings.Default.MaxID = range.Max;
Settings.Default.Save();
}
}
//reseed the client
using (var db = new SqlConnection(Settings.Default.Local))
Repository.Repository.Reseed(Settings.Default.MinID, Settings.Default.MaxID, db);
}
public static void Synchronize()
{
ConnectionProperties
remote = new ConnectionProperties(Settings.Default.RemoteServer, Settings.Default.RemoteDb),
local = new ConnectionProperties(Settings.Default.LocalServer, Settings.Default.LocalDb);
using (var service = new SchemaServiceClient()) {
//check for schema update
byte version = service.GetSchemaVersion();
if (version > Settings.Default.SchemaVersion) {
//synchronise schema
StructureProject structure = new StructureProject(remote, local);
structure.ComparisonOptions.IgnoreIdentitySeedAndIncrement = true;
structure.MappedObjects.ExcludeAllFromComparison();
//select the desired tables and triggers
var tables = Settings.Default.Tables.Split(',');
structure.MappedTables.IncludeInComparison(tables.Select(t => '^' + t + '$').ToArray());
structure.MappedTriggers.IncludeInComparison(tables.Select(t => '^' + t + "_TimeStamp$").ToArray());
structure.ComparedObjects.IncludeAllInSynchronization();
Synchronise(structure);
Settings.Default.SchemaVersion = version;
Settings.Default.Save();
}
//server to client
DataProject down = new DataProject(remote, local);
#pragma warning disable 612
down.ComparisonOptions.CompareAdditionalRows = false;
#pragma warning restore 612
//only retrieve rows which have changed since last sync
string timestamp = "TimeStamp > '" + Settings.Default.LastSync.ToString("yyyy-MM-dd HH:mm:ss") + "'";
foreach (MappedDataObject<Table> table in down.MappedTables) {
table.WhereClause.SourceFilter = timestamp;
table.WhereClause.UseSourceFilterForDestination = false;
}
down.ComparedObjects.IncludeAllInSynchronization();
Synchronise(down);
//client to server
DataProject up = new DataProject(local, remote);
#pragma warning disable 612
up.ComparisonOptions.CompareAdditionalRows = false;
#pragma warning restore 612
using (var con = new SqlConnection(Settings.Default.Local))
foreach (MappedDataObject<Table> table in up.MappedTables) {
StringBuilder ids = new StringBuilder("ID in (");
using (var com = new SqlCommand("select ID from " + table.SourceName + " where " + timestamp, con)) {
con.Open();
using (var results = com.ExecuteReader(CommandBehavior.CloseConnection))
while (results.Read())
ids.Append(results[0]).Append(',');
}
if (ids[ids.Length - 1] == '(')
table.IncludeInComparison = false;
else
table.WhereClause.SourceFilter = ids.Remove(ids.Length - 1, 1).Append(')').ToString();
}
try {
up.ComparedObjects.IncludeAllInSynchronization();
Synchronise(up);
}
catch (NoSelectedForOperationObjectsException) { }
Settings.Default.LastSync = DateTime.Now;
Settings.Default.Save();
//do we have an ID range?
if (Settings.Default.MaxID == 0) {
var range = service.GetIdRange(Environment.MachineName);
Settings.Default.MinID = range.Min;
Settings.Default.MaxID = range.Max;
Settings.Default.Save();
}
}
//reseed the client
using (var db = new SqlConnection(Settings.Default.Local))
Repository.Repository.Reseed(Settings.Default.MinID, Settings.Default.MaxID, db);
}
