[tf.data] Move all C++ code inside the `tensorflow::data` namespace.

PiperOrigin-RevId: 211733735

8 files changed, 22 insertions, 0 deletions

diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_kernels.cc b/tensorflow/contrib/bigtable/kernels/bigtable_kernels.cc
index a25a641cdb..6138d79126 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_kernels.cc
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_kernels.cc
@@ -172,6 +172,11 @@ class BigtableTableOp : public OpKernel {
 REGISTER_KERNEL_BUILDER(Name("BigtableTable").Device(DEVICE_CPU),
                         BigtableTableOp);
 
+}  // namespace
+
+namespace data {
+namespace {
+
 class ToBigtableOp : public AsyncOpKernel {
  public:
   explicit ToBigtableOp(OpKernelConstruction* ctx)
@@ -354,5 +359,6 @@ REGISTER_KERNEL_BUILDER(Name("DatasetToBigtable").Device(DEVICE_CPU),
                         ToBigtableOp);
 
 }  // namespace
+}  // namespace data
 
 }  // namespace tensorflow
diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_lib.h b/tensorflow/contrib/bigtable/kernels/bigtable_lib.h
index a2a5df1037..4652021fec 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_lib.h
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_lib.h
@@ -79,6 +79,8 @@ class BigtableTableResource : public ResourceBase {
   ::google::cloud::bigtable::noex::Table table_;
 };
 
+namespace data {
+
 // BigtableReaderDatasetIterator is an abstract class for iterators from
 // datasets that are "readers" (source datasets, not transformation datasets)
 // that read from Bigtable.
@@ -138,6 +140,8 @@ class BigtableReaderDatasetIterator : public DatasetIterator<Dataset> {
   ::google::cloud::bigtable::RowReader::iterator iterator_ GUARDED_BY(mu_);
 };
 
+}  // namespace data
+
 }  // namespace tensorflow
 
 #endif  // TENSORFLOW_CONTRIB_BIGTABLE_KERNELS_BIGTABLE_LIB_H_
diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_lookup_dataset_op.cc b/tensorflow/contrib/bigtable/kernels/bigtable_lookup_dataset_op.cc
index bd32672aa9..11f530e82a 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_lookup_dataset_op.cc
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_lookup_dataset_op.cc
@@ -17,6 +17,7 @@ limitations under the License.
 #include "tensorflow/core/framework/op_kernel.h"
 
 namespace tensorflow {
+namespace data {
 namespace {
 
 class BigtableLookupDatasetOp : public UnaryDatasetOpKernel {
@@ -226,4 +227,5 @@ REGISTER_KERNEL_BUILDER(Name("BigtableLookupDataset").Device(DEVICE_CPU),
                         BigtableLookupDatasetOp);
 
 }  // namespace
+}  // namespace data
 }  // namespace tensorflow
diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_prefix_key_dataset_op.cc b/tensorflow/contrib/bigtable/kernels/bigtable_prefix_key_dataset_op.cc
index a803fdcb49..5cab729d9c 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_prefix_key_dataset_op.cc
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_prefix_key_dataset_op.cc
@@ -17,6 +17,7 @@ limitations under the License.
 #include "tensorflow/core/framework/op_kernel.h"
 
 namespace tensorflow {
+namespace data {
 namespace {
 
 class BigtablePrefixKeyDatasetOp : public DatasetOpKernel {
@@ -111,4 +112,5 @@ REGISTER_KERNEL_BUILDER(Name("BigtablePrefixKeyDataset").Device(DEVICE_CPU),
                         BigtablePrefixKeyDatasetOp);
 
 }  // namespace
+}  // namespace data
 }  // namespace tensorflow
diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_range_key_dataset_op.cc b/tensorflow/contrib/bigtable/kernels/bigtable_range_key_dataset_op.cc
index 5cd0371c79..4dc4647bd2 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_range_key_dataset_op.cc
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_range_key_dataset_op.cc
@@ -17,6 +17,7 @@ limitations under the License.
 #include "tensorflow/core/framework/op_kernel.h"
 
 namespace tensorflow {
+namespace data {
 namespace {
 
 class BigtableRangeKeyDatasetOp : public DatasetOpKernel {
@@ -117,4 +118,5 @@ class BigtableRangeKeyDatasetOp : public DatasetOpKernel {
 REGISTER_KERNEL_BUILDER(Name("BigtableRangeKeyDataset").Device(DEVICE_CPU),
                         BigtableRangeKeyDatasetOp);
 }  // namespace
+}  // namespace data
 }  // namespace tensorflow
diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_sample_key_pairs_dataset_op.cc b/tensorflow/contrib/bigtable/kernels/bigtable_sample_key_pairs_dataset_op.cc
index 6928d9423c..736775bdac 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_sample_key_pairs_dataset_op.cc
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_sample_key_pairs_dataset_op.cc
@@ -18,6 +18,7 @@ limitations under the License.
 #include "tensorflow/core/framework/op_kernel.h"
 
 namespace tensorflow {
+namespace data {
 namespace {
 
 class BigtableSampleKeyPairsDatasetOp : public DatasetOpKernel {
@@ -205,4 +206,5 @@ REGISTER_KERNEL_BUILDER(
     BigtableSampleKeyPairsDatasetOp);
 
 }  // namespace
+}  // namespace data
 }  // namespace tensorflow
diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_sample_keys_dataset_op.cc b/tensorflow/contrib/bigtable/kernels/bigtable_sample_keys_dataset_op.cc
index a759fb5063..208b7b3e08 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_sample_keys_dataset_op.cc
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_sample_keys_dataset_op.cc
@@ -17,6 +17,7 @@ limitations under the License.
 #include "tensorflow/core/framework/op_kernel.h"
 
 namespace tensorflow {
+namespace data {
 namespace {
 
 class BigtableSampleKeysDatasetOp : public DatasetOpKernel {
@@ -118,4 +119,5 @@ REGISTER_KERNEL_BUILDER(Name("BigtableSampleKeysDataset").Device(DEVICE_CPU),
                         BigtableSampleKeysDatasetOp);
 
 }  // namespace
+}  // namespace data
 }  // namespace tensorflow
diff --git a/tensorflow/contrib/bigtable/kernels/bigtable_scan_dataset_op.cc b/tensorflow/contrib/bigtable/kernels/bigtable_scan_dataset_op.cc
index 78a920b077..9407855fe8 100644
--- a/tensorflow/contrib/bigtable/kernels/bigtable_scan_dataset_op.cc
+++ b/tensorflow/contrib/bigtable/kernels/bigtable_scan_dataset_op.cc
@@ -17,6 +17,7 @@ limitations under the License.
 #include "tensorflow/core/framework/op_kernel.h"
 
 namespace tensorflow {
+namespace data {
 namespace {
 
 class BigtableScanDatasetOp : public DatasetOpKernel {
@@ -224,4 +225,5 @@ REGISTER_KERNEL_BUILDER(Name("BigtableScanDataset").Device(DEVICE_CPU),
                         BigtableScanDatasetOp);
 
 }  // namespace
+}  // namespace data
 }  // namespace tensorflow