2 Copyright (c) 2018-2019 Intel Corporation
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
8 http://www.apache.org/licenses/LICENSE-2.0
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
20 from mo.graph.graph import Node, Graph
21 from mo.ops.op import Op
24 class TensorArrayReader(Op):
25 op = "TensorArrayReadV3"
27 def __init__(self, graph: Graph, attrs: dict):
31 'infer': TensorArrayReader.array_infer,
33 super().__init__(graph, mandatory_props, attrs)
36 def array_infer(node: Node):
37 assert len(node.in_nodes()) == 3
39 handle = node.in_node(0)
40 index = node.in_node(1)
41 flow_in = node.in_node(2)
43 ta_node = Node(node.graph, str(handle.value))
44 assert ta_node.has_valid('element_shape')
46 data_shape = ta_node['element_shape']
48 output_shape = data_shape
51 for _, out_node in node.graph.out_edges(node.id):
52 node.graph.node[out_node]['shape'] = np.array(output_shape)
53 node.graph.node[out_node]['value'] = None if output_value is None else np.array(output_value)