private bool TryGetSlaveEntry(SynchronizationEntry masterEntry, out SynchronizationEntry slaveEntry)
{
if (!_map.ContainsKey(_master, masterEntry.Status))
{
slaveEntry = null;
return(false);
}
var slaveStatus = _map.GetMappedValue(_master, masterEntry.Status);
slaveEntry = new SynchronizationEntry(masterEntry.Id, slaveStatus, masterEntry.Properties)
{
Ordinal = masterEntry.Ordinal, TimeStamp = masterEntry.TimeStamp
};
return(true);
}
private Dictionary <string, string> MapProperties(ISynchronizationAgent agent, Dictionary <string, string> properties)
{
var mappedProperties = new Dictionary <string, string>();
foreach (var keyValue in properties)
{
if (_propertyMap.ContainsKey(agent, keyValue.Key))
{
mappedProperties.Add(_propertyMap.GetMappedValue(agent, keyValue.Key), keyValue.Value);
}
}
return(mappedProperties);
}
public void Synchronize()
{
var masterEntries = _master.GetAll();
var slaveEntries = _slave.GetAll();
var idsForDeletion =
slaveEntries.Select(e => e.Id).Except(
masterEntries.Where(me => _map.ContainsKey(_master, me.Status)).Select(e => e.Id));
foreach (var id in idsForDeletion)
{
var entry = slaveEntries.Where(e => e.Id == id).Single();
_slave.Delete(entry);
}
var idsForCreation = masterEntries.Select(e => e.Id).Except(slaveEntries.Select(e => e.Id));
foreach (var id in idsForCreation)
{
try
{
var entry = masterEntries.Where(e => e.Id == id).Single();
SynchronizationEntry slaveEntry;
if (TryGetSlaveEntry(entry, out slaveEntry))
{
_slave.Create(slaveEntry);
}
}
catch (InvalidOperationException e)
{
throw new InvalidOperationException("Id='" + id + "'", e);
}
}
}
