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TensorFlow.NET/src/TensorFlowNET.Core/DisposableObject.cs at master · feelsyt/TensorFlow.NET · GitHub
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DisposableObject.cs
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/*****************************************************************************
Copyright 2018 The TensorFlow.NET Authors. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
******************************************************************************/
using
System
;
using
System
.
Diagnostics
.
CodeAnalysis
;
using
System
.
Runtime
.
CompilerServices
;
using
Tensorflow
.
Train
;
namespace
Tensorflow
{
/// <summary>
/// Abstract class for disposable object allocated in unmanaged runtime.
/// https://docs.microsoft.com/en-us/dotnet/api/system.idisposable.dispose?redirectedfrom=MSDN&view=net-5.0#System_IDisposable_Dispose
/// </summary>
public
abstract
class
DisposableObject
:
IDisposable
{
protected
IntPtr
_handle
;
protected
bool
_disposed
;
protected
DisposableObject
(
)
{
}
protected
DisposableObject
(
IntPtr
handle
)
=>
_handle
=
handle
;
private
void
Dispose
(
bool
disposing
)
{
if
(
_disposed
)
return
;
//first handle managed, they might use the unmanaged resources.
if
(
disposing
)
{
// dispose managed state (managed objects).
DisposeManagedResources
(
)
;
}
// free unmanaged memory
if
(
_handle
!=
IntPtr
.
Zero
)
{
// Call the appropriate methods to clean up
// unmanaged resources here.
// If disposing is false,
// only the following code is executed.
DisposeUnmanagedResources
(
_handle
)
;
_handle
=
IntPtr
.
Zero
;
}
// Note disposing has been done.
_disposed
=
true
;
}
/// <summary>
/// Dispose any managed resources.
/// </summary>
/// <remarks>Equivalent to what you would perform inside <see cref="Dispose()"/></remarks>
protected
virtual
void
DisposeManagedResources
(
)
{
}
/// <summary>
/// Dispose any unmanaged resources related to given <paramref name="handle"/>.
/// </summary>
protected
abstract
void
DisposeUnmanagedResources
(
IntPtr
handle
)
;
public
void
Dispose
(
)
{
Dispose
(
true
)
;
// This object will be cleaned up by the Dispose method.
// Therefore, you should call GC.SupressFinalize to
// take this object off the finalization queue
// and prevent finalization code for this object
// from executing a second time.
GC
.
SuppressFinalize
(
this
)
;
}
~
DisposableObject
(
)
{
Dispose
(
false
)
;
}
}
public
abstract
class
DisposableTrackableObject
:
Trackable
,
IDisposable
{
protected
IntPtr
_handle
;
protected
bool
_disposed
;
protected
DisposableTrackableObject
(
)
{
}
protected
DisposableTrackableObject
(
IntPtr
handle
)
=>
_handle
=
handle
;
private
void
Dispose
(
bool
disposing
)
{
if
(
_disposed
)
return
;
//first handle managed, they might use the unmanaged resources.
if
(
disposing
)
{
// dispose managed state (managed objects).
DisposeManagedResources
(
)
;
}
// free unmanaged memory
if
(
_handle
!=
IntPtr
.
Zero
)
{
// Call the appropriate methods to clean up
// unmanaged resources here.
// If disposing is false,
// only the following code is executed.
DisposeUnmanagedResources
(
_handle
)
;
_handle
=
IntPtr
.
Zero
;
}
// Note disposing has been done.
_disposed
=
true
;
}
/// <summary>
/// Dispose any managed resources.
/// </summary>
/// <remarks>Equivalent to what you would perform inside <see cref="Dispose()"/></remarks>
protected
virtual
void
DisposeManagedResources
(
)
{
}
/// <summary>
/// Dispose any unmanaged resources related to given <paramref name="handle"/>.
/// </summary>
protected
abstract
void
DisposeUnmanagedResources
(
IntPtr
handle
)
;
public
void
Dispose
(
)
{
Dispose
(
true
)
;
// This object will be cleaned up by the Dispose method.
// Therefore, you should call GC.SupressFinalize to
// take this object off the finalization queue
// and prevent finalization code for this object
// from executing a second time.
GC
.
SuppressFinalize
(
this
)
;
}
~
DisposableTrackableObject
(
)
{
Dispose
(
false
)
;
}
}
}
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