internal static void AssertSelf(IJavaPeerable self)
{
if (self == null)
{
throw new ArgumentNullException(nameof(self));
}
var peer = self.PeerReference;
if (!peer.IsValid)
{
throw new ObjectDisposedException(self.GetType().FullName);
}
#if FEATURE_JNIOBJECTREFERENCE_SAFEHANDLES
var lref = peer.SafeHandle as JniLocalReference;
if (lref != null && !JniEnvironment.IsHandleValid(lref))
{
var t = self.GetType().FullName;
throw new NotSupportedException(
"You've created a " + t + " in one thread and are using it " +
"from another thread without calling IJavaPeerable.Register(). " +
"Passing JNI local references between threads is not supported; " +
"call IJavaObject.RegisterWithVM() if sharing between threads is required.");
}
#endif // FEATURE_JNIOBJECTREFERENCE_SAFEHANDLES
}
void Dispose(JniObjectReference h, IJavaPeerable value)
{
value.Disposed();
Remove(value);
var o = Runtime.ObjectReferenceManager;
if (o.LogGlobalReferenceMessages)
{
o.WriteGlobalReferenceLine("Disposing PeerReference={0} IdentityHashCode=0x{1} Instance=0x{2} Instance.Type={3} Java.Type={4}",
h.ToString(),
value.JniIdentityHashCode.ToString("x"),
RuntimeHelpers.GetHashCode(value).ToString("x"),
value.GetType().ToString(),
JniEnvironment.Types.GetJniTypeNameFromInstance(h));
}
#if FEATURE_JNIOBJECTREFERENCE_SAFEHANDLES
var lref = value.PeerReference.SafeHandle as JniLocalReference;
if (lref != null && !JniEnvironment.IsHandleValid(lref))
{
// `lref` was created on another thread, and CANNOT be disposed on this thread.
// Just invalidate the reference and move on.
lref.SetHandleAsInvalid();
}
#endif // FEATURE_JNIOBJECTREFERENCE_SAFEHANDLES
JniObjectReference.Dispose(ref h);
value.SetPeerReference(new JniObjectReference());
GC.SuppressFinalize(value);
}
