Mega Code Archive
Using a reader-writer lock to protect a complex business type
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime;
using System.Runtime.CompilerServices;
using System.Security;
using System.Text;
using System.Threading;
class Account
{
public string company ="No Name";
public decimal balance= 0.0m;
public DateTime lastUpdate = DateTime.Now;
public ReaderWriterLock syncLock = new ReaderWriterLock();
public decimal AutoUpdateBalance(decimal delta)
{
syncLock.AcquireWriterLock(-1);
try
{
balance += delta;
lastUpdate = DateTime.Now;
return balance;
}
finally
{
syncLock.ReleaseWriterLock();
}
}
public void GetState(out string company, out decimal balance, out DateTime lastUpdate)
{
syncLock.AcquireReaderLock(-1);
try
{
company = this.company;
balance = this.balance;
lastUpdate = this.lastUpdate;
}
finally
{
syncLock.ReleaseReaderLock();
}
}
}
public class MainClass
{
public static void Main()
{
Account account = new Account();
string company;
decimal balance;
DateTime lastUpdate;
account.GetState(out company, out balance, out lastUpdate);
Console.WriteLine("{0}, balance: {1}, last updated: {2}",company, balance, lastUpdate);
}
}
No Name, balance: 0.0, last updated: 25/03/2007 3:04:25 PM
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