private void Merge_Runs_into_One_File(int runFileNum)
{
try
{
long totalLength = 0;
long destFileLength = 0;
int threshold = 1000;
if (!file2.isExist())
{
ArrayList listOfRuns = new ArrayList();
for (int i = 1; i <= runFileNum; i++)
{
string str = string.Concat(indexDirPath, "\\run", (i), ".txt");
totalLength += (new FileInfo(str)).Length;
listOfRuns.Add((new run(str)));
}
using (StreamWriter SW = file2.StreamWriterFile2())
{
while (!isEmpty(listOfRuns))
{
run smallerObj = getSmallestRun(listOfRuns);
SW.WriteLine(smallerObj.currentLine);
smallerObj.nextLine();
removeNullObj(listOfRuns);
if (numberOfLinesInFile++ > threshold)
{
threshold += 8000;
destFileLength = file2.destFile2Length();
}
}
}
} //if file exist
GarbageCollection();
} //end of try
catch (Exception ee)
{
MessageBox.Show("Namespace: Indexing; \nClass: InvertedFile; \nerror# 08:\n" + ee.Message);
}
}
private run getSmallestRun(ArrayList runs)
{
try
{
run small = (run)runs[0];
for (int i = 1; i < runs.Count; i++)
{
if (tokenToBeProcessed(small.currentLine).CompareTo(tokenToBeProcessed(((run)runs[i]).currentLine)) > 0)
{
small = (run)runs[i];
}
}
return(small);
}
catch (ThreadAbortException te)
{ return(null); }
catch (Exception ee)
{
MessageBox.Show("error# 8" + ee.Message);
return(null);
}
}