github-actions[bot] opened a new issue, #157: URL: https://github.com/apache/incubator-wayang/issues/157
get this information by a configuration and ideally by the context https://github.com/apache/incubator-wayang/blob/4cc0bfdca06dda171b661822daae5fa438d9d475/python/src/pywy/platforms/python/execution.py#L36 ```python # # Licensed to the Apache Software Foundation (ASF) under one or more # contributor license agreements. See the NOTICE file distributed with # this work for additional information regarding copyright ownership. # The ASF licenses this file to You 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. # from pywy.graph.types import WGraphOfOperator, NodeOperator from pywy.core import ChannelDescriptor from pywy.core import Executor from pywy.core import PywyPlan from pywy.operators import TextFileSource from pywy.platforms.python.channels import PY_ITERATOR_CHANNEL_DESCRIPTOR from pywy.platforms.python.operator.py_execution_operator import PyExecutionOperator class PyExecutor(Executor): def __init__(self): super(PyExecutor, self).__init__() def execute(self, plan): pywyPlan: PywyPlan = plan graph = WGraphOfOperator(pywyPlan.sinks) # TODO get this information by a configuration and ideally by the context descriptor_default: ChannelDescriptor = PY_ITERATOR_CHANNEL_DESCRIPTOR files_pool = [] def execute(op_current: NodeOperator, op_next: NodeOperator): if op_current is None: return py_current: PyExecutionOperator = op_current.current if py_current.outputs == 0: py_current.execute(py_current.inputChannel, []) return if op_next is None: return py_next: PyExecutionOperator = op_next.current outputs = py_current.get_output_channeldescriptors() inputs = py_next.get_input_channeldescriptors() intersect = outputs.intersection(inputs) if len(intersect) == 0: raise Exception( "The operator(A) {} can't connect with (B) {}, " "because the output of (A) is {} and the input of (B) is {} ".format( py_current, py_next, outputs, inputs ) ) if len(intersect) > 1: if descriptor_default is None: raise Exception( "The interaction between the operator (A) {} and (B) {}, " "can't be decided because are several channel availables {}".format( py_current, py_next, intersect ) ) descriptor = descriptor_default else: descriptor = intersect.pop() # TODO validate if is valite for several output py_current.outputChannel[0] = descriptor.create_instance() py_current.execute(py_current.inputChannel, py_current.outputChannel) py_next.inputChannel = py_current.outputChannel if isinstance(py_current, TextFileSource): files_pool.append(py_current.outputChannel[0].provide_iterable()) graph.traversal(graph.starting_nodes, execute) # close the files used during the execution for f in files_pool: f.close() ``` 0881f71f5e321b6608ba96b264024b9a452c27a2 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
