sneaxiy
7 years ago
parent
a8c4324d3c
commit
c545f1ed8f
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// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "paddle/fluid/operators/reader/compose_reader.h"
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namespace paddle {
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namespace operators {
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namespace reader {
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ComposeReader::ComposeReader(
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const std::vector<std::shared_ptr<framework::ReaderBase>> &readers)
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: framework::MultiDecoratedReader(readers) {}
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void ComposeReader::ReadNext(std::vector<framework::LoDTensor> *out) {
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out->clear();
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std::vector<framework::LoDTensor> each_ret;
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for (auto &r : readers_) {
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r->ReadNext(&each_ret);
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out->reserve(out->size() + each_ret.size());
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for (auto &data : each_ret) {
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out->emplace_back(std::move(data));
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}
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}
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}
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} // namespace reader
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} // namespace operators
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} // namespace paddle
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@ -1,34 +0,0 @@
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// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <vector>
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#include "paddle/fluid/framework/reader.h"
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namespace paddle {
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namespace operators {
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namespace reader {
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class ComposeReader : public framework::MultiDecoratedReader {
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public:
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explicit ComposeReader(
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const std::vector<std::shared_ptr<framework::ReaderBase>> &readers);
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void ReadNext(std::vector<framework::LoDTensor> *out) override;
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};
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} // namespace reader
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} // namespace operators
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} // namespace paddle
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