/// <summary>
/// Move para o próximo nome de tipo que será processado.
/// </summary>
/// <returns></returns>
private bool MoveNextTypeMetadata()
{
while (_typeMetadatasEnumerator != null && _typeMetadatasEnumerator.MoveNext())
{
var typeMetadata = _typeMetadatasEnumerator.Current;
_loader.Observer.OnStageChanged(new CacheLoaderStage("LoadingType", ResourceMessageFormatter.Create(() => Properties.Resources.CacheLoader_LoadingTypeName, typeMetadata.FullName)));
_loader.Observer.OnCurrentProgressChanged(new System.ComponentModel.ProgressChangedEventArgs((_position++ *100 / _typeMetadatasCount), null));
if (_loader.Observer is IDataCacheLoaderObserver)
{
((IDataCacheLoaderObserver)_loader.Observer).OnBeginLoadTypeMetadata(typeMetadata);
}
var typeName = new Colosoft.Reflection.TypeName(!string.IsNullOrEmpty(typeMetadata.Assembly) ? string.Format("{0}, {1}", typeMetadata.FullName, typeMetadata.Assembly) : typeMetadata.FullName);
Query.IQueryResult result = null;
try
{
var columns = new List <Query.ProjectionEntry>(typeMetadata.Select(f => new Query.ProjectionEntry(f.Name, null)));
if (typeMetadata.IsVersioned && !columns.Exists(f => {
var column = f.GetColumnInfo();
return(column != null && StringComparer.InvariantCultureIgnoreCase.Equals(column.Name, "RowVersion"));
}))
{
columns.Add(new ProjectionEntry("RowVersion", null));
}
result = _loader.SourceContext.CreateQuery().From(new Query.EntityInfo(typeMetadata.FullName)).Select(new Query.Projection(columns)).NoUseCache().Execute();
_recordEnumerator = result.GetEnumerator();
}
catch (Exception ex)
{
var args = new CacheLoaderErrorEventArgs(ResourceMessageFormatter.Create(() => Properties.Resources.DataCacheLoader_CreateQueryError, typeMetadata.FullName), ex);
_loader.OnLoadError(typeName, args);
if (_loader.Observer is IDataCacheLoaderObserver)
{
((IDataCacheLoaderObserver)_loader.Observer).OnEndLoadTypeMetadata(typeMetadata, ex);
}
continue;
}
_currentTypeName = typeName;
_currentGenerator = _loader.RecordKeyFactory.CreateGenerator(_currentTypeName);
return(true);
}
_currentTypeName = null;
_currentGenerator = null;
if (_recordEnumerator != null)
{
try
{
_recordEnumerator.Dispose();
}
catch
{
}
}
_recordEnumerator = null;
return(false);
}
/// <summary>
/// Serializa os dados da instancia.
/// </summary>
/// <param name="writer"></param>
void Colosoft.Serialization.ICompactSerializable.Serialize(Serialization.IO.CompactWriter writer)
{
if (_typeName == null)
{
writer.Write((byte)0);
}
else
{
writer.Write((byte)1);
_typeName.Serialize(writer);
}
writer.Write(_version);
var serializable = _result as Colosoft.Serialization.ICompactSerializable;
if (serializable == null && _result != null)
{
var recordEnumerator = _result.GetEnumerator();
if (recordEnumerator.MoveNext())
{
var record = recordEnumerator.Current;
if (serializable == null)
{
serializable = new Colosoft.Query.QueryResult(record.Descriptor, new Colosoft.Query.Record[] {
record
}.Concat(GetRecords(recordEnumerator)));
}
}
}
if (serializable != null)
{
writer.Write((byte)1);
serializable.Serialize(writer);
}
else
{
writer.Write((byte)0);
}
}