public void after(JoinPointContext context)
{
report("after " + context.StartSelector);
if (context.StartSelector.Equals("func4"))
{
String ret = (String)context.ReturnValue;
ret = ret + " #After#";
context.ReturnValue = ret;
}
else if (context.StartSelector.Equals("func9"))
{
int arg = (int)context.GetArgumentValue(0);
Console.WriteLine("AFTER: Value of x after func9: " + arg + ". Add one to value.");
arg = arg + 1;
context.SetArgumentValue(0, arg);
}
else if (context.StartSelector.Equals("func10"))
{
int arg = (int)context.GetArgumentValue(0);
Console.WriteLine("AFTER: Value of x after func10: " + arg + ". Add one to value.");
arg = arg + 1;
context.SetArgumentValue(0, arg);
}
}
public void archiveMessage(JoinPointContext jpc)
{
string sender = (string)jpc.GetArgumentValue(0);
string receiver = (string)jpc.GetArgumentValue(1);
string message = (string)jpc.GetArgumentValue(2);
Console.WriteLine("\nArchiving message");
Console.WriteLine("Sender: {0}", sender);
Console.WriteLine("Receiver: {0}", receiver);
Console.WriteLine("Message: {0}", message);
}
public void PayIncomeTax(JoinPointContext jpc)
{
int ammount = (int) jpc.GetArgumentValue(0);
if(ammount > 2000)
{
Console.WriteLine("Because the income is more then 2000, he needs to pay income tax");
jpc.SetArgumentValue(0,ammount - CalculateTax(ammount));
}
}
public void before(JoinPointContext context)
{
report("before " + context.StartSelector);
if (context.StartSelector.Equals("func4"))
{
int arg = (int)context.GetArgumentValue(0);
arg = arg + 1;
context.AddArgument(0, arg.GetType(), arg);
}
else if (context.StartSelector.Equals("func9"))
{
object arg = context.GetArgumentValue(0);
Console.WriteLine("\targ=" + (arg == null ? "null" : "'" + arg + "'"));
}
else if (context.StartSelector.Equals("func10"))
{
int arg = (int)context.GetArgumentValue(0);
Console.WriteLine("BEFORE: Value of x before func10: " + arg + ". Add one to value.");
arg = arg + 1;
context.SetArgumentValue(0, arg);
}
}
public static void storeCachedValue(JoinPointContext context)
{
if (!context.HasReturnValue)
{
return;
}
Cache cache = Cache.instance(context.CurrentTarget);
Object args = null;
if (context.ArgumentCount > 0)
{
args = context.GetArgumentValue(0);
}
cache.setCache(context.MethodInformation, args, context.ReturnValue);
}
public static bool getCachedValue(JoinPointContext context)
{
if (context.ReturnType == null || context.ReturnType == typeof(void))
{
return(false);
}
Cache cache = Cache.instance(context.CurrentTarget);
Object args = null;
if (context.ArgumentCount > 0)
{
args = context.GetArgumentValue(0);
}
Object val;
if (cache.getCache(context.MethodInformation, args, out val))
{
context.ReturnValue = val;
return(true);
}
return(false);
}
public override void Execute(JoinPointContext context)
{
long stoptime = 0;
double executetime = 0;
// Get the frequency from the JoinPointContext, this frequency was stored in the StartTimerAction
long freq = (long)context.GetProperty("frequency");
if (freq == 0)
{
stoptime = DateTime.Now.Ticks;
}
else
{
QueryPerformanceCounter(out stoptime);
}
if (context == null)
{
TraceFile.WriteLine("StopTimer: Context not set!");
return;
}
// Get the starttime from the JoinPointContext, this starttime was stored int he StartTimerAction
long starttime = (long)context.GetProperty("starttime");
if (freq == 0)
{
TimeSpan executeTimeSpan = new TimeSpan(stoptime - starttime);
executetime = (double)executeTimeSpan.Milliseconds;
}
else
{
executetime = ((double)(stoptime - starttime) / (double)freq) / 1000;
}
String sender = "unknown";
if (context.Sender != null)
{
sender = context.Sender.GetType().FullName;
}
String target = "unknown";
if (context.StartTarget != null)
{
target = context.StartTarget.GetType().FullName;
}
String args = "";
if (context.ArgumentCount > 0)
{
for (short i = 0; i < context.ArgumentCount; i++)
{
if (context.GetArgumentValue(i) != null)
{
if (args != "")
{
args = args + ",";
}
args = args + context.GetArgumentValue(i).GetType().FullName;
}
}
}
TraceFile.WriteLine("The execution of message: {0}.{1}({2}) took {3:0.0000} msec.", target, context.StartSelector, args, executetime);
}