#
# Copyright (c) 2017 Mycroft AI, Inc.
#
# This file is part of Mycroft Simple
# (see https://github.com/MatthewScholefield/mycroft-simple).
#
# 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
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from threading import Thread
[docs]class QueryManager:
"""Launches queries in separate threads"""
def __init__(self, intent_manager, format_manager):
self.intent_manager = intent_manager
self.format_manager = format_manager
self.threads = []
self.on_response_callbacks = []
def _run_query(self, query):
"""Function to run query in a separate thread"""
name, results = self.intent_manager.calc_results(query)
self.format_manager.generate(name, results)
for i in self.on_response_callbacks:
i(self.format_manager)
[docs] def send_query(self, query):
"""Starts calculating a query in a new thread"""
t = Thread(target=self._run_query, args=(query,))
t.start()
self.threads.append(t)
[docs] def on_response(self, callback):
"""Assign a callback to be run whenever a new response comes in"""
self.on_response_callbacks.append(callback)