public Storage(string fileName)
{
DB2Reader reader;
var stream = File.Open(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
using (var bin = new BinaryReader(stream))
{
var identifier = new string(bin.ReadChars(4));
stream.Position = 0;
switch (identifier)
{
case "WDC3":
reader = new WDC3Reader(stream);
break;
case "WDC2":
reader = new WDC2Reader(stream);
break;
case "WDC1":
reader = new WDC1Reader(stream);
break;
default:
throw new Exception("DBC type " + identifier + " is not supported!");
}
}
FieldInfo[] fields = typeof(T).GetFields();
FieldCache <T>[] fieldCache = new FieldCache <T> [fields.Length];
for (int i = 0; i < fields.Length; ++i)
{
bool indexMapAttribute = reader.Flags.HasFlagExt(DB2Flags.Index) ? Attribute.IsDefined(fields[i], typeof(IndexAttribute)) : false;
fieldCache[i] = new FieldCache <T>(fields[i], fields[i].FieldType.IsArray, fields[i].GetSetter <T>(), indexMapAttribute);
}
Parallel.ForEach(reader.AsEnumerable(), row =>
{
T entry = new T();
row.Value.GetFields(fieldCache, entry);
TryAdd(row.Key, entry);
});
}
public Storage(Stream stream)
{
DB2Reader reader;
using (stream)
using (var bin = new BinaryReader(stream))
{
var identifier = new string(bin.ReadChars(4));
stream.Position = 0;
switch (identifier)
{
case "WDC3":
reader = new WDC3Reader(stream);
break;
case "WDC2":
case "1SLC":
reader = new WDC2Reader(stream);
break;
case "WDC1":
reader = new WDC1Reader(stream);
break;
case "WDB6":
reader = new WDB6Reader(stream);
break;
case "WDB5":
reader = new WDB5Reader(stream);
break;
case "WDB4":
reader = new WDB4Reader(stream);
break;
case "WDB3":
reader = new WDB3Reader(stream);
break;
case "WDB2":
reader = new WDB2Reader(stream);
break;
case "WDBC":
reader = new WDBCReader(stream);
break;
default:
throw new Exception("DB type " + identifier + " is not supported!");
}
}
FieldInfo[] fields = typeof(T).GetFields();
FieldCache <T>[] fieldCache = new FieldCache <T> [fields.Length];
for (int i = 0; i < fields.Length; ++i)
{
bool indexMapAttribute = reader.Flags.HasFlagExt(DB2Flags.Index) ? Attribute.IsDefined(fields[i], typeof(IndexAttribute)) : false;
fieldCache[i] = new FieldCache <T>(fields[i], indexMapAttribute);
}
Parallel.ForEach(reader.AsEnumerable(), new ParallelOptions()
{
MaxDegreeOfParallelism = 1
}, row =>
{
T entry = new T();
row.Value.GetFields(fieldCache, entry);
lock (this)
Add(row.Value.Id, entry);
});
}
