private static string MakeMessage(Accessor.LockType held, Accessor.LockType desired, Accessor.LockType required)
{
if (required == Accessor.LockType.None)
{
return("Attempted to acquire a " + desired + " database lock when a " + held + " lock was held, but no lock must be held.");
}
else
{
return("Attempted to acquire a " + desired + " database lock when a " + held + " lock was held, but a " + required + " lock must be held instead.");
}
}
private static string MakeMessage(Accessor.LockType held, Accessor.LockType minimum)
{
if (held == Accessor.LockType.None)
{
throw new Exception("Attempted a database operation which requires at least a " + minimum +
" lock when no lock was held.");
}
else
{
throw new Exception("Attempted a database operation which requires at least a " + minimum +
" lock when only a " + held + "lock was held.");
}
}
public LockMinimumNotMet(Accessor.LockType held, Accessor.LockType minimum)
: base(MakeMessage(held, minimum))
{
}
public BadLockChange(Accessor.LockType held, Accessor.LockType desired, Accessor.LockType required)
: base(MakeMessage(held, desired, required))
{
}