1 | /* Copyright 2015 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | // See docs in ../ops/data_flow_ops.cc. |
17 | |
18 | #include <deque> |
19 | #include <vector> |
20 | |
21 | #include "tensorflow/core/framework/op_kernel.h" |
22 | #include "tensorflow/core/framework/partial_tensor_shape.h" |
23 | #include "tensorflow/core/framework/resource_mgr.h" |
24 | #include "tensorflow/core/framework/tensor.h" |
25 | #include "tensorflow/core/framework/tensor_shape.h" |
26 | #include "tensorflow/core/framework/types.h" |
27 | #include "tensorflow/core/kernels/padding_fifo_queue.h" |
28 | #include "tensorflow/core/kernels/queue_base.h" |
29 | #include "tensorflow/core/kernels/queue_op.h" |
30 | #include "tensorflow/core/lib/core/errors.h" |
31 | #include "tensorflow/core/platform/logging.h" |
32 | #include "tensorflow/core/platform/macros.h" |
33 | #include "tensorflow/core/platform/mutex.h" |
34 | #include "tensorflow/core/platform/thread_annotations.h" |
35 | #include "tensorflow/core/platform/types.h" |
36 | |
37 | namespace tensorflow { |
38 | |
39 | // Defines a PaddingFIFOQueueOp, which produces a Queue (specifically, one |
40 | // backed by PaddingFIFOQueue) that persists across different graph |
41 | // executions, and sessions. Running this op produces a single-element |
42 | // tensor of handles to Queues in the corresponding device. |
43 | class PaddingFIFOQueueOp : public TypedQueueOp { |
44 | public: |
45 | explicit PaddingFIFOQueueOp(OpKernelConstruction* context) |
46 | : TypedQueueOp(context) { |
47 | OP_REQUIRES_OK(context, context->GetAttr("shapes" , &component_shapes_)); |
48 | for (const auto& shape : component_shapes_) { |
49 | OP_REQUIRES(context, shape.dims() >= 0, |
50 | errors::InvalidArgument("shape " , shape.DebugString(), |
51 | " must have known rank." )); |
52 | } |
53 | } |
54 | |
55 | private: |
56 | Status CreateResource(QueueInterface** ret) override |
57 | TF_EXCLUSIVE_LOCKS_REQUIRED(mu_) { |
58 | PaddingFIFOQueue* queue = new PaddingFIFOQueue( |
59 | capacity_, component_types_, component_shapes_, cinfo_.name()); |
60 | return CreateTypedQueue(queue, ret); |
61 | } |
62 | |
63 | std::vector<PartialTensorShape> component_shapes_; |
64 | |
65 | TF_DISALLOW_COPY_AND_ASSIGN(PaddingFIFOQueueOp); |
66 | }; |
67 | |
68 | REGISTER_KERNEL_BUILDER(Name("PaddingFIFOQueue" ).Device(DEVICE_CPU), |
69 | PaddingFIFOQueueOp); |
70 | REGISTER_KERNEL_BUILDER(Name("PaddingFIFOQueueV2" ).Device(DEVICE_CPU), |
71 | PaddingFIFOQueueOp); |
72 | |
73 | } // namespace tensorflow |
74 | |