}//end method
public override void ProcessFile()
{
ReadMasterFileRecord(ref ctMaster);
ReadTransFileRecord(ref ctTrans);
while (ctMaster != null)
{
while (ctTrans != null)
{
if (ctMaster == ctTrans)//account nums match
{
ctMaster += ctTrans;
}
//don't read a trans record, wait for next master record
else if (ctMaster < ctTrans)
{
break;
}
//input appearing in the transaction file which doesn't have a corresponding account
else if (ctMaster > ctTrans)
{
Console.WriteLine("Transaction with no corresponding account line "
+ this.LineNum + " account number " + ctTrans.acctNum);
}
ReadTransFileRecord(ref ctTrans);
}//end loop
//write the new record
writer.Write(ctMaster.acctNum);
writer.Write(ctMaster.ctBal);
writer.Write(ctMaster.name);
ReadMasterFileRecord(ref ctMaster);
}//end loop
//could be mulitple unmatched transactions at the end of the list
while (ctTrans != null)
{
Console.WriteLine("Transaction with no corresponding account line "
+ this.LineNum + " account number " + ctTrans.acctNum);
ReadTransFileRecord(ref ctTrans);
}
writer.Flush();
writer.Close();
Console.WriteLine("The master file has been updated... ");
} //end method
}//end method
public override void ReadMasterFileRecord(ref MasterRecord ctMaster)
{
try {
String line = masterRecords.ReadLine();
String[] toks = line.Split(' ');
int offset = toks[0].Length + toks[1].Length + 1;
ctMaster.acctNum = Convert.ToInt32(toks[0]);
ctMaster.ctBal = Convert.ToDecimal(toks[1]);
ctMaster.name = line.Substring(offset, line.Length - offset);
}
catch (ArgumentException) {
ctMaster = null;
}
catch (NullReferenceException) {
ctMaster = null;
}
}//end method
public override void ReadMasterFileRecord(ref MasterRecord ctMaster)
{
try {
ctMaster.acctNum = masterRecords.ReadInt32();
ctMaster.ctBal = masterRecords.ReadDecimal();
//apparently strings are prefixed with their length
ctMaster.name = masterRecords.ReadString();
this.LineNum++;
}
catch (ArgumentException) {
ctMaster = null;
}
catch (NullReferenceException) {
ctMaster = null;
}
catch (EndOfStreamException) {
ctMaster = null;
}
}//end method
public override void ProcessFile()
{
ReadMasterFileRecord(ref ctMaster);
ReadTransFileRecord(ref ctTrans);
while (ctMaster != null) {
while (ctTrans != null) {
if (ctMaster == ctTrans)//account nums match
ctMaster += ctTrans;
//don't read a trans record, wait for next master record
else if (ctMaster < ctTrans)
break;
//input appearing in the transaction file which doesn't have a corresponding account
else if (ctMaster > ctTrans) {
Console.WriteLine("Transaction with no corresponding account line "
+ this.LineNum + " account number " + ctTrans.acctNum);
}
ReadTransFileRecord(ref ctTrans);
}//end loop
//write the new record
writer.Write(ctMaster.acctNum);
writer.Write(ctMaster.ctBal);
writer.Write(ctMaster.name);
ReadMasterFileRecord(ref ctMaster);
}//end loop
//could be mulitple unmatched transactions at the end of the list
while (ctTrans != null) {
Console.WriteLine("Transaction with no corresponding account line "
+ this.LineNum + " account number " + ctTrans.acctNum);
ReadTransFileRecord(ref ctTrans);
}
writer.Flush();
writer.Close();
Console.WriteLine("The master file has been updated... ");
}
public override void ReadMasterFileRecord(ref MasterRecord ctMaster)
{
try {
String line = masterRecords.ReadLine();
String[] toks = line.Split(' ');
int offset = toks[0].Length + toks[1].Length + 1;
ctMaster.acctNum = Convert.ToInt32(toks[0]);
ctMaster.ctBal = Convert.ToDecimal(toks[1]);
ctMaster.name = line.Substring(offset, line.Length - offset);
}
catch (ArgumentException) {
ctMaster = null;
}
catch(NullReferenceException){
ctMaster = null;
}
}
//Reads one master file record from the old master file public abstract void ReadMasterFileRecord(ref MasterRecord ctMaster);
//Reads one master file record from the old master file public abstract void ReadMasterFileRecord(ref MasterRecord ctMaster);
public override void ReadMasterFileRecord(ref MasterRecord ctMaster)
{
try {
ctMaster.acctNum = masterRecords.ReadInt32();
ctMaster.ctBal = masterRecords.ReadDecimal();
//apparently strings are prefixed with their length
ctMaster.name = masterRecords.ReadString();
this.LineNum++;
}
catch (ArgumentException) {
ctMaster = null;
}
catch (NullReferenceException) {
ctMaster = null;
}
catch (EndOfStreamException) {
ctMaster = null;
}
}