public static GroupDescriptor getNewGroupDescriptor(DataItem aItem, int aPDULength, int aMaxAddress)
{
var lGroupDsc = new GroupDescriptor();
lGroupDsc.mStart = aItem.Byte;
lGroupDsc.setBufferSize(aItem, aPDULength, aMaxAddress);
return(lGroupDsc);
}
private void optimize()
{
#region Sorting
var lMemoryAreas = new SortedList <string, SortedDictionary <int, List <DataItem> > >(StringComparer.Ordinal);
var lItemCount = new SortedList <string, int>(StringComparer.Ordinal);
var lMaxAddress = new SortedList <string, int>(StringComparer.Ordinal);
DataItem lItem;
string lAreaName;
int lMax;
int lCount = mItemRWList.Count;
for (int i = 0; i < lCount; i++)
{
lItem = mItemRWList[i];
lAreaName = lItem.mMemoryType.ToString();
if (lItem.mMemoryType == EArea.DB)
{
lAreaName = lAreaName + lItem.DB.ToString();
}
lMax = lItem.Byte + lItem.BufferLength - 1;
if (lMemoryAreas.ContainsKey(lAreaName) == false)
{
lMemoryAreas.Add(lAreaName, new SortedDictionary <int, List <DataItem> >());
lItemCount.Add(lAreaName, 0);
lMaxAddress.Add(lAreaName, lMax);
}
if (lMemoryAreas[lAreaName].ContainsKey(lItem.Byte) == false)
{
lMemoryAreas[lAreaName].Add(lItem.Byte, new List <DataItem>());
}
lMemoryAreas[lAreaName][lItem.Byte].Add(lItem);
lItemCount[lAreaName] = lItemCount[lAreaName] + 1;
if (lMaxAddress[lAreaName] < lMax)
{
lMaxAddress[lAreaName] = lMax;
}
lItem.mGroup = 0;
}
#endregion
#region Grouping
SortedDictionary <int, List <DataItem> > lArea;
mGroups.Clear();
mItemRWList.Clear();
int lGroupLastByte;
int lItemLastByte;
GroupDescriptor lGroupDsc = null;
int lGroup = 0;
foreach (string lAreaName1 in lMemoryAreas.Keys)
{
lArea = lMemoryAreas[lAreaName1];
foreach (int lByte in lArea.Keys)
{
mItemRWList.AddRange(lArea[lByte]);
}
if (lItemCount[lAreaName1] > 1)
{
foreach (int lByte in lArea.Keys)
{
foreach (DataItem lItem1 in lArea[lByte])
{
if (lGroupDsc == null)
{
lGroupDsc = GroupDescriptor.getNewGroupDescriptor(lItem1, mPDULength, lMaxAddress[lAreaName1]);
mGroups.Add(lGroupDsc);
lGroup = lGroup + 1;
}
lGroupLastByte = lGroupDsc.mStart + lGroupDsc.mBuffer.Length - 1;
lItemLastByte = lItem1.Byte + lItem1.BufferLength - 1;
if (lGroupLastByte < lItemLastByte)
{
if (lItem1.Byte <= lGroupLastByte)
{
lGroupDsc.setBufferSize(lItem1, mPDULength, lMaxAddress[lAreaName1]);
}
else
{
lGroupDsc = GroupDescriptor.getNewGroupDescriptor(lItem1, mPDULength, lMaxAddress[lAreaName1]);
mGroups.Add(lGroupDsc);
lGroup = lGroup + 1;
}
}
lItem1.mGroup = lGroup;
}
}
lGroupDsc = null;
}
}
#endregion
}