Commit | Line | Data |
---|---|---|
1286dcbb PP |
1 | # The MIT License (MIT) |
2 | # | |
3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> | |
4 | # | |
5 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
6 | # of this software and associated documentation files (the "Software"), to deal | |
7 | # in the Software without restriction, including without limitation the rights | |
8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
9 | # copies of the Software, and to permit persons to whom the Software is | |
10 | # furnished to do so, subject to the following conditions: | |
11 | # | |
12 | # The above copyright notice and this permission notice shall be included in | |
13 | # all copies or substantial portions of the Software. | |
14 | # | |
15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
21 | # THE SOFTWARE. | |
22 | ||
23 | from bt2 import native_bt, object, utils | |
c946c9de PP |
24 | from bt2 import interrupter as bt2_interrupter |
25 | from bt2 import component as bt2_component | |
26 | from bt2 import logging as bt2_logging | |
27 | from bt2 import value as bt2_value | |
1286dcbb PP |
28 | import bt2 |
29 | ||
30 | ||
c3044a97 | 31 | class QueryExecutor(object._SharedObject): |
a49e2cc3 PP |
32 | _get_ref = staticmethod(native_bt.query_executor_get_ref) |
33 | _put_ref = staticmethod(native_bt.query_executor_put_ref) | |
bbb3650f | 34 | |
1286dcbb PP |
35 | def __init__(self): |
36 | ptr = native_bt.query_executor_create() | |
37 | ||
38 | if ptr is None: | |
614743a5 | 39 | raise bt2._MemoryError('cannot create query executor object') |
1286dcbb PP |
40 | |
41 | super().__init__(ptr) | |
42 | ||
d73bb381 | 43 | def add_interrupter(self, interrupter): |
c946c9de | 44 | utils._check_type(interrupter, bt2_interrupter.Interrupter) |
d73bb381 PP |
45 | native_bt.query_executor_add_interrupter(self._ptr, interrupter._ptr) |
46 | ||
47 | def interrupt(self): | |
48 | native_bt.query_executor_interrupt(self._ptr) | |
1286dcbb PP |
49 | |
50 | @property | |
d73bb381 PP |
51 | def is_interrupted(self): |
52 | is_interrupted = native_bt.query_executor_is_interrupted(self._ptr) | |
53 | return bool(is_interrupted) | |
1286dcbb | 54 | |
61d96b89 FD |
55 | def query( |
56 | self, | |
57 | component_class, | |
58 | object, | |
59 | params=None, | |
c946c9de | 60 | logging_level=bt2_logging.LoggingLevel.NONE, |
61d96b89 | 61 | ): |
c946c9de | 62 | if not isinstance(component_class, bt2_component._ComponentClass): |
1286dcbb PP |
63 | err = False |
64 | ||
65 | try: | |
c946c9de | 66 | if not issubclass(component_class, bt2_component._UserComponent): |
1286dcbb PP |
67 | err = True |
68 | except TypeError: | |
69 | err = True | |
70 | ||
71 | if err: | |
72 | o = component_class | |
73 | raise TypeError("'{}' is not a component class object".format(o)) | |
74 | ||
75 | utils._check_str(object) | |
76 | ||
77 | if params is None: | |
78 | params_ptr = native_bt.value_null | |
79 | else: | |
80 | params = bt2.create_value(params) | |
81 | params_ptr = params._ptr | |
82 | ||
83da519a | 83 | utils._check_log_level(logging_level) |
deec48a6 | 84 | cc_ptr = component_class._bt_component_class_ptr() |
1286dcbb | 85 | |
61d96b89 FD |
86 | status, result_ptr = native_bt.query_executor_query( |
87 | self._ptr, cc_ptr, object, params_ptr, logging_level | |
88 | ) | |
fb25b9e3 | 89 | utils._handle_func_status(status, 'cannot query component class') |
61d96b89 | 90 | assert result_ptr |
c946c9de | 91 | return bt2_value._create_from_ptr(result_ptr) |