1 files changed, 107 insertions, 0 deletions
diff --git a/tensorflow/contrib/bigtable/ops/bigtable_ops.cc b/tensorflow/contrib/bigtable/ops/bigtable_ops.cc
new file mode 100644
index 0000000000..416b719e30
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+++ b/tensorflow/contrib/bigtable/ops/bigtable_ops.cc
@@ -0,0 +1,107 @@
+/* Copyright 2018 The TensorFlow 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.
+==============================================================================*/
+
+#include "tensorflow/core/framework/common_shape_fns.h"
+#include "tensorflow/core/framework/op.h"
+
+namespace tensorflow {
+
+// TODO(saeta): Add support for setting ClientOptions values.
+REGISTER_OP("BigtableClient")
+    .Attr("project_id: string")
+    .Attr("instance_id: string")
+    .Attr("connection_pool_size: int")
+    .Attr("max_receive_message_size: int = -1")
+    .Attr("container: string = ''")
+    .Attr("shared_name: string = ''")
+    .Output("client: resource")
+    .SetShapeFn(shape_inference::ScalarShape);
+
+// TODO(saeta): Add support for Application Profiles.
+// See https://cloud.google.com/bigtable/docs/app-profiles for more info.
+REGISTER_OP("BigtableTable")
+    .Input("client: resource")
+    .Attr("table_name: string")
+    .Attr("container: string = ''")
+    .Attr("shared_name: string = ''")
+    .Output("table: resource")
+    .SetShapeFn(shape_inference::ScalarShape);
+
+REGISTER_OP("DatasetToBigtable")
+    .Input("table: resource")
+    .Input("input_dataset: variant")
+    .Input("column_families: string")
+    .Input("columns: string")
+    .Input("timestamp: int64")
+    .SetShapeFn(shape_inference::NoOutputs);
+
+REGISTER_OP("BigtableLookupDataset")
+    .Input("keys_dataset: variant")
+    .Input("table: resource")
+    .Input("column_families: string")
+    .Input("columns: string")
+    .Output("handle: variant")
+    .SetShapeFn(shape_inference::ScalarShape);
+
+REGISTER_OP("BigtablePrefixKeyDataset")
+    .Input("table: resource")
+    .Input("prefix: string")
+    .Output("handle: variant")
+    .SetIsStateful()  // TODO(b/65524810): Source dataset ops must be marked
+                      // stateful to inhibit constant folding.
+    .SetShapeFn(shape_inference::ScalarShape);
+
+REGISTER_OP("BigtableRangeKeyDataset")
+    .Input("table: resource")
+    .Input("start_key: string")
+    .Input("end_key: string")
+    .Output("handle: variant")
+    .SetIsStateful()  // TODO(b/65524810): Source dataset ops must be marked
+                      // stateful to inhibit constant folding.
+    .SetShapeFn(shape_inference::ScalarShape);
+
+REGISTER_OP("BigtableSampleKeysDataset")
+    .Input("table: resource")
+    .Output("handle: variant")
+    .SetIsStateful()  // TODO(b/65524810): Source dataset ops must be marked
+                      // stateful to inhibit constant folding.
+    .SetShapeFn(shape_inference::ScalarShape);
+
+REGISTER_OP("BigtableSampleKeyPairsDataset")
+    .Input("table: resource")
+    .Input("prefix: string")
+    .Input("start_key: string")
+    .Input("end_key: string")
+    .Output("handle: variant")
+    .SetIsStateful()  // TODO(b/65524810): Source dataset ops must be marked
+                      // stateful to inhibit constant folding.
+    .SetShapeFn(shape_inference::ScalarShape);
+
+// TODO(saeta): Support continuing despite bad data (e.g. empty string, or
+// skip incomplete row.)
+REGISTER_OP("BigtableScanDataset")
+    .Input("table: resource")
+    .Input("prefix: string")
+    .Input("start_key: string")
+    .Input("end_key: string")
+    .Input("column_families: string")
+    .Input("columns: string")
+    .Input("probability: float")
+    .Output("handle: variant")
+    .SetIsStateful()  // TODO(b/65524810): Source dataset ops must be marked
+                      // stateful to inhibit constant folding.
+    .SetShapeFn(shape_inference::ScalarShape);
+
+}  // namespace tensorflow