1 files changed, 31 insertions, 0 deletions
diff --git a/tensorflow/core/kernels/lookup_util.h b/tensorflow/core/kernels/lookup_util.h
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+++ b/tensorflow/core/kernels/lookup_util.h
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+#ifndef THIRD_PARTY_TENSORFLOW_CORE_KERNELS_LOOKUP_UTIL_H_
+#define THIRD_PARTY_TENSORFLOW_CORE_KERNELS_LOOKUP_UTIL_H_
+
+#include "tensorflow/core/framework/lookup_interface.h"
+#include "tensorflow/core/framework/op_kernel.h"
+#include "tensorflow/core/kernels/initializable_lookup_table.h"
+
+namespace tensorflow {
+namespace lookup {
+
+// Gets the LookupTable stored in the ctx->resource_manager() with key
+// passed by attribute with name input_name, returns null if the table
+// doesn't exist.
+Status GetLookupTable(const string& input_name, OpKernelContext* ctx,
+                      LookupInterface** table);
+
+// Gets the InitializableLookupTable stored in the
+// ctx->resource_manager() with key passed by attribute with name
+// input_name, returns null if the table doesn't exist.
+Status GetInitializableLookupTable(const string& input_name,
+                                   OpKernelContext* ctx,
+                                   InitializableLookupTable** table);
+
+// Verify that the given key_dtype and value_dtype matches the corresponding
+// table's data types.
+Status CheckTableDataTypes(const LookupInterface& table, DataType key_dtype,
+                           DataType value_dtype, const string& table_name);
+}  // namespace lookup
+}  // namespace tensorflow
+
+#endif  // THIRD_PARTY_TENSORFLOW_CORE_KERNELS_LOOKUP_UTIL_H_