[GitHub] [incubator-wayang] github-actions[bot] opened a new issue, #158: add the logic to execute the plan

[GitBox <gi...@apache.org>]

github-actions[bot] opened a new issue, #158:
URL: https://github.com/apache/incubator-wayang/issues/158

   add the logic to execute the plan
   
   https://github.com/apache/incubator-wayang/blob/4cc0bfdca06dda171b661822daae5fa438d9d475/python/src/pywy/dataquanta.py#L103
   
   ```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 typing import Set, List, cast
   
   from pywy.core import Translator
   from pywy.operators.base import PO_T
   from pywy.types import (GenericTco, Predicate, Function, FlatmapFunction, IterableOut, T, In, Out)
   from pywy.operators import *
   from pywy.core import PywyPlan
   from pywy.core import Plugin
   
   
   class WayangContext:
       """
       This is the entry point for users to work with Wayang.
       """
       plugins: Set[Plugin]
   
       def __init__(self):
           self.plugins = set()
   
       """
       add a :class:`Plugin` to the :class:`Context`
       """
   
       def register(self, *plugins: Plugin):
           for p in plugins:
               self.plugins.add(p)
           return self
   
       """
       remove a :class:`Plugin` from the :class:`Context`
       """
   
       def unregister(self, *plugins: Plugin):
           for p in plugins:
               self.plugins.remove(p)
           return self
   
       def textfile(self, file_path: str) -> 'DataQuanta[str]':
           return DataQuanta(self, TextFileSource(file_path))
   
       def __str__(self):
           return "Plugins: {}".format(str(self.plugins))
   
       def __repr__(self):
           return self.__str__()
   
   
   class DataQuanta(GenericTco):
       """
       Represents an intermediate result/data flow edge in a [[WayangPlan]].
       """
       context: WayangContext
   
       def __init__(self, context: WayangContext, operator: PywyOperator):
           self.operator = operator
           self.context = context
   
       def filter(self: "DataQuanta[T]", p: Predicate) -> "DataQuanta[T]":
           return DataQuanta(self.context, self._connect(FilterOperator(p)))
   
       def map(self: "DataQuanta[In]", f: Function) -> "DataQuanta[Out]":
           return DataQuanta(self.context, self._connect(MapOperator(f)))
   
       def flatmap(self: "DataQuanta[In]", f: FlatmapFunction) -> "DataQuanta[IterableOut]":
           return DataQuanta(self.context, self._connect(FlatmapOperator(f)))
   
       def store_textfile(self: "DataQuanta[In]", path: str, end_line: str = None):
           last: List[SinkOperator] = [
               cast(
                   SinkOperator,
                   self._connect(
                       TextFileSink(
                           path,
                           self.operator.outputSlot[0],
                           end_line
                       )
                   )
               )
           ]
           plan = PywyPlan(self.context.plugins, last)
   
           plug = self.context.plugins.pop()
           trs: Translator = Translator(plug, plan)
           new_plan = trs.translate()
           plug.get_executor().execute(new_plan)
           # TODO add the logic to execute the plan
   
       def _connect(self, op: PO_T, port_op: int = 0) -> PywyOperator:
           self.operator.connect(0, op, port_op)
           return op
   
       def __str__(self):
           return str(self.operator)
   
       def __repr__(self):
           return self.__str__()
   
   ```
   
   4a29f0081231beb08b25fb64d6ece42227be765c


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