private Key extractKey(IPersistent obj)
{
ByteBuffer buf = new ByteBuffer();
int dst = 0;
for (int i = 0; i < types.Length; i++)
{
object val = mbr[i] is FieldInfo ? ((FieldInfo)mbr[i]).GetValue(obj) : ((PropertyInfo)mbr[i]).GetValue(obj, null);
dst = packKeyPart(buf, dst, types[i], val);
}
return(new Key(buf.toArray()));
}
private Key convertKey(Key key)
{
if (key == null)
{
return(null);
}
if (key.type != ClassDescriptor.FieldType.tpArrayOfObject)
{
throw new DatabaseException(DatabaseException.ErrorCode.INCOMPATIBLE_KEY_TYPE);
}
Object[] values = (Object[])key.oval;
ByteBuffer buf = new ByteBuffer();
int dst = 0;
for (int i = 0; i < values.Length; i++)
{
dst = packKeyPart(buf, dst, types[i], values[i]);
}
return(new Key(buf.toArray(), key.inclusion != 0));
}
Key createCompoundKey(ClassDescriptor.FieldType[] types, String[] values)
{
ByteBuffer buf = new ByteBuffer();
int dst = 0;
for (int i = 0; i < types.Length; i++)
{
String val = values[i];
switch (types[i])
{
case ClassDescriptor.FieldType.tpBoolean:
dst = buf.packBool(dst, Int32.Parse(val) != 0);
break;
case ClassDescriptor.FieldType.tpByte:
case ClassDescriptor.FieldType.tpSByte:
dst = buf.packI1(dst, Int32.Parse(val));
break;
case ClassDescriptor.FieldType.tpChar:
case ClassDescriptor.FieldType.tpShort:
case ClassDescriptor.FieldType.tpUShort:
dst = buf.packI2(dst, Int32.Parse(val));
break;
case ClassDescriptor.FieldType.tpInt:
dst = buf.packI4(dst, Int32.Parse(val));
break;
case ClassDescriptor.FieldType.tpEnum:
case ClassDescriptor.FieldType.tpUInt:
dst = buf.packI4(dst, (int)UInt32.Parse(val));
break;
case ClassDescriptor.FieldType.tpObject:
case ClassDescriptor.FieldType.tpOid:
dst = buf.packI4(dst, mapId((int)UInt32.Parse(val)));
break;
case ClassDescriptor.FieldType.tpLong:
dst = buf.packI8(dst, Int64.Parse(val));
break;
case ClassDescriptor.FieldType.tpULong:
dst = buf.packI8(dst, (long)UInt64.Parse(val));
break;
case ClassDescriptor.FieldType.tpDate:
dst = buf.packDate(dst, DateTime.Parse(val));
break;
case ClassDescriptor.FieldType.tpFloat:
dst = buf.packF4(dst, Single.Parse(val));
break;
case ClassDescriptor.FieldType.tpDouble:
dst = buf.packF8(dst, Double.Parse(val));
break;
case ClassDescriptor.FieldType.tpDecimal:
dst = buf.packDecimal(dst, Decimal.Parse(val));
break;
case ClassDescriptor.FieldType.tpGuid:
dst = buf.packGuid(dst, new Guid(val));
break;
case ClassDescriptor.FieldType.tpString:
dst = buf.packString(dst, val);
break;
case ClassDescriptor.FieldType.tpArrayOfByte:
buf.extend(dst + 4 + (val.Length >> 1));
Bytes.pack4(buf.arr, dst, val.Length >> 1);
dst += 4;
for (int j = 0, n = val.Length; j < n; j += 2)
{
buf.arr[dst++] = (byte)((getHexValue(val[j]) << 4) | getHexValue(val[j + 1]));
}
break;
default:
throwException("Bad key type");
break;
}
}
return new Key(buf.toArray());
}
