diff options
author | A. Unique TensorFlower <gardener@tensorflow.org> | 2018-10-09 16:23:35 -0700 |
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committer | TensorFlower Gardener <gardener@tensorflow.org> | 2018-10-09 16:39:23 -0700 |
commit | 6c391166b8b6ba43d2b0151e6fb9cf14864131a2 (patch) | |
tree | c8c3c9eadade00f1a4e6cec2024e2a15bfd0b948 /tensorflow/core/framework/lookup_interface.h | |
parent | 2f5ebc0ea5e6d500ea8cd925234c569d6b32fd4e (diff) |
Add 'remove' operation to MutableHashTable and MutableDenseHashTable.
PiperOrigin-RevId: 216443201
Diffstat (limited to 'tensorflow/core/framework/lookup_interface.h')
-rw-r--r-- | tensorflow/core/framework/lookup_interface.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tensorflow/core/framework/lookup_interface.h b/tensorflow/core/framework/lookup_interface.h index 0622dd06cb..d33945fd1b 100644 --- a/tensorflow/core/framework/lookup_interface.h +++ b/tensorflow/core/framework/lookup_interface.h @@ -64,6 +64,17 @@ class LookupInterface : public ResourceBase { virtual Status Insert(OpKernelContext* ctx, const Tensor& keys, const Tensor& values) = 0; + // Removes elements from the table. + // This method is only implemented in mutable tables that can be updated over + // the execution of the graph. It returns Status::NotImplemented for read-only + // tables that are initialized once before they can be looked up. + + // Returns the following statuses: + // - OK: when the remove finishes successfully. + // - InvalidArgument: if any of the preconditions on the lookup key fails. + // - Unimplemented: if the table does not support removals. + virtual Status Remove(OpKernelContext* ctx, const Tensor& keys) = 0; + // Returns the number of elements in the table. virtual size_t size() const = 0; @@ -107,6 +118,12 @@ class LookupInterface : public ResourceBase { virtual Status CheckKeyAndValueTensorsForImport(const Tensor& keys, const Tensor& values); + // Check format of the key tensor for the Remove function. + // Returns OK if all the following requirements are satisfied, otherwise it + // returns InvalidArgument: + // - DataType of the tensor keys equals to the table key_dtype + virtual Status CheckKeyTensorForRemove(const Tensor& keys); + // Check the arguments of a find operation. Returns OK if all the following // requirements are satisfied, otherwise it returns InvalidArgument: // - DataType of the tensor keys equals to the table key_dtype |