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);
}
public virtual void CreatedLocalReference(JniObjectReference reference, ref int localReferenceCount)
{
if (!reference.IsValid)
{
return;
}
AssertCount(localReferenceCount, "LREF", reference.ToString());
localReferenceCount++;
}
public virtual JniObjectReference CreateLocalReference(JniObjectReference reference, ref int localReferenceCount)
{
if (!reference.IsValid)
{
return(reference);
}
AssertCount(localReferenceCount, "LREF", reference.ToString());
localReferenceCount++;
return(JniEnvironment.References.NewLocalRef(reference));
}
static void AssertReferenceType(ref JniObjectReference reference, JniObjectReferenceType type)
{
if (reference.Type == type)
{
return;
}
Debug.Assert(reference.Type == type,
string.Format("Object reference {0} should be of type {1}, is instead {2}!",
reference.ToString(), type, reference.Type));
}
public virtual void DeleteWeakGlobalReference(ref JniObjectReference reference)
{
if (!reference.IsValid)
{
return;
}
AssertReferenceType(ref reference, JniObjectReferenceType.WeakGlobal);
AssertCount(WeakGlobalReferenceCount, "WGREF", reference.ToString());
JniEnvironment.References.DeleteWeakGlobalRef(reference.Handle);
reference.Invalidate();
}
public virtual JniObjectReference CreateWeakGlobalReference(JniObjectReference reference)
{
if (!reference.IsValid)
{
return(reference);
}
var n = JniEnvironment.References.NewWeakGlobalRef(reference);
AssertCount(WeakGlobalReferenceCount, "WGREF", reference.ToString());
return(n);
}
public virtual void DeleteLocalReference(ref JniObjectReference reference, ref int localReferenceCount)
{
if (!reference.IsValid)
{
return;
}
AssertReferenceType(ref reference, JniObjectReferenceType.Local);
localReferenceCount--;
AssertCount(localReferenceCount, "LREF", reference.ToString());
JniEnvironment.References.DeleteLocalRef(reference.Handle);
reference.Invalidate();
}
public virtual IntPtr ReleaseLocalReference(ref JniObjectReference reference, ref int localReferenceCount)
{
if (!reference.IsValid)
{
return(IntPtr.Zero);
}
localReferenceCount--;
AssertCount(localReferenceCount, "LREF", reference.ToString());
var h = reference.Handle;
reference.Invalidate();
return(h);
}
public virtual JniObjectReference CreateGlobalReference(JniObjectReference reference)
{
if (!reference.IsValid)
{
return(reference);
}
var n = JniEnvironment.References.NewGlobalRef(reference);
if (GlobalReferenceCount < 0)
{
AssertCount(GlobalReferenceCount, "GREF", reference.ToString());
}
return(n);
}
static void DeletedReference(TextWriter?writer, string kind, int count, JniObjectReference reference, JniRuntime runtime)
{
if (writer == null)
{
return;
}
string message = $"{kind} {count} handle {reference.ToString ()} " +
$"from thread '{runtime.GetCurrentManagedThreadName ()}'({Environment.CurrentManagedThreadId})" +
Environment.NewLine +
runtime.GetCurrentManagedThreadStackTrace(skipFrames: 2, fNeedFileInfo: true);
writer.WriteLine(message);
writer.Flush();
}
public override void DeleteWeakGlobalReference(ref JniObjectReference reference)
{
if (!reference.IsValid)
{
return;
}
int wc = Interlocked.Decrement(ref wgrefCount);
int gc = grefCount;
if (grefLog != null)
{
string message = $"-w- grefc {gc} gwrefc {wc} handle {reference.ToString ()} " +
$"from thread '{Runtime.GetCurrentManagedThreadName ()}'({Environment.CurrentManagedThreadId})" +
Environment.NewLine +
Runtime.GetCurrentManagedThreadStackTrace(skipFrames: 2, fNeedFileInfo: true);
grefLog.WriteLine(message);
grefLog.Flush();
}
base.DeleteWeakGlobalReference(ref reference);
}
public override JniObjectReference CreateWeakGlobalReference(JniObjectReference reference)
{
if (!reference.IsValid)
{
return(reference);
}
var n = base.CreateWeakGlobalReference(reference);
int wc = Interlocked.Increment(ref wgrefCount);
int gc = grefCount;
if (grefLog != null)
{
string message = $"+w+ grefc {gc} gwrefc {wc} obj-handle {reference.ToString ()} -> new-handle {n.ToString ()} " +
$"from thread '{Runtime.GetCurrentManagedThreadName ()}'({Environment.CurrentManagedThreadId})" +
Environment.NewLine +
Runtime.GetCurrentManagedThreadStackTrace(skipFrames: 2, fNeedFileInfo: true);
grefLog.WriteLine(message);
grefLog.Flush();
}
return(n);
}
