public override void BindUnmanagedAndManagedInstances(object obj, JSContext ctxt)
{
var key = ctxt.Key;
var tkp = new TypeAndKeyPair { type = rootType, key = key };
outer.keyToObjectCache.Add(tkp, obj);
var top = new TypeAndObjectPair { type = rootType, obj = obj };
outer.objectToKeyCache.Add(top, key);
// obj is always new
outer.objectToDisconnect.Add(obj, () => Disconnect(tkp, top));
}
// XREF1093
public override object Import(StringParser sp)
{
sp.SkipWS();
if (sp.TryConsumeLit("null"))
return null;
else
{
var key = sp.ConsumeEscapedString();
sp.SkipWS();
var qnm = default(string);
if (!sp.TryConsumeLit("null"))
qnm = sp.ConsumeEscapedString();
if (sp.Failed)
throw new InvalidOperationException("invalid response");
var obj = default(object);
var tkp = new TypeAndKeyPair { type = rootType, key = key };
if (outer.keyToObjectCache.TryGetValue(tkp, out obj))
{
if (!type.IsAssignableFrom(obj.GetType()))
throw outer.MakeInvalidCastException();
}
else
{
if (qnm == null)
obj = outer.CreateDefaultInstance(type, key, 0);
else
{
var rttype = QualifiedNameToType(qnm);
if (!type.IsAssignableFrom(rttype))
throw outer.MakeInvalidCastException();
obj = outer.CreateDefaultInstance(rttype, key, 0);
}
outer.keyToObjectCache.Add(tkp, obj);
var top = new TypeAndObjectPair { type = rootType, obj = obj };
outer.objectToKeyCache.Add(top, key);
// obj is always new
outer.objectToDisconnect.Add(obj, () => Disconnect(tkp, top));
}
return obj;
}
}
public override object BindCreatedInstance(StringParser sp, object obj)
{
if (outer.objectToDisconnect.ContainsKey(obj))
throw new InvalidOperationException("object already associated with unmanaged instance");
sp.SkipWS();
var key = sp.ConsumeEscapedString();
if (sp.Failed)
throw new InvalidOperationException("invalid response");
var tkp = new TypeAndKeyPair { type = rootType, key = key };
outer.keyToObjectCache.Add(tkp, obj);
var top = new TypeAndObjectPair { type = rootType, obj = obj };
outer.objectToKeyCache.Add(top, key);
outer.objectToDisconnect.Add(obj, () => Disconnect(tkp, top));
return obj;
}
private void Disconnect(TypeAndKeyPair tkp, TypeAndObjectPair top)
{
outer.keyToObjectCache.Remove(tkp);
outer.objectToKeyCache.Remove(top);
outer.Eval
((sb, _) =>
{
sb.Append(outer.database.RootExpression);
sb.Append(".DisconnectKeyedObject(");
sb.Append(outer.TypeIndex(null, type));
sb.Append(",\"");
Lexemes.AppendStringToJavaScript(sb, tkp.key);
sb.Append("\");");
},
null);
}
