public Binding(PublishedValue <FromType> fromValue, PublishedValue <ToType> toValue)
{
if (null == fromValue || null == toValue)
{
return;
}
toValue.Value = Transform(fromValue.Value);
// Avoid strong reference captures (binding doesn't claim ownership of objects it binds to)
this.fromValue = new WeakReference <PublishedValue <FromType> >(fromValue);
fromValue.AddListener(this);
this.toValue = new WeakReference <PublishedValue <ToType> >(toValue);
}
public void TestBinding()
{
var intValue = new PublishedValue <int>(10);
var stringValue = new PublishedValue <string>("hello");
Assert.AreEqual("hello", stringValue.Value);
Assert.AreEqual(10, intValue.Value);
var binding = new IntToStringBinding(intValue, stringValue);
Assert.AreEqual("10", stringValue.Value);
Assert.AreEqual(10, intValue.Value);
intValue.Value = 5;
Assert.AreEqual("5", stringValue.Value);
}
public void Deposit(Price price)
{
if (price.amount < 0)
{
return;
}
if (accounts.TryGetValue(price.currency, out PublishedValue <int> amount))
{
amount.Value = amount.Value + price.amount;
}
else
{
var value = new PublishedValue <int>();
value.Value = price.amount;
accounts.Add(price.currency, value);
}
}
public EventValueChange(PublishedValue <T> value)
{
this.value = value;
}
public IntToStringBinding(PublishedValue <int> fromValue, PublishedValue <string> toValue) : base(fromValue, toValue)
{
}
public StringBinding(PublishedValue <string> fromValue, PublishedValue <string> toValue) : base(fromValue, toValue)
{
}