1 # The MIT License (MIT)
3 # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
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:
12 # The above copyright notice and this permission notice shall be included in
13 # all copies or substantial portions of the Software.
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
23 from bt2
import native_bt
, object, utils
24 import bt2
.interrupter
30 class QueryExecutor(object._SharedObject
):
31 _get_ref
= staticmethod(native_bt
.query_executor_get_ref
)
32 _put_ref
= staticmethod(native_bt
.query_executor_put_ref
)
35 ptr
= native_bt
.query_executor_create()
38 raise bt2
._MemoryError('cannot create query executor object')
42 def add_interrupter(self
, interrupter
):
43 utils
._check
_type
(interrupter
, bt2
.interrupter
.Interrupter
)
44 native_bt
.query_executor_add_interrupter(self
._ptr
, interrupter
._ptr
)
47 native_bt
.query_executor_interrupt(self
._ptr
)
50 def is_interrupted(self
):
51 is_interrupted
= native_bt
.query_executor_is_interrupted(self
._ptr
)
52 return bool(is_interrupted
)
59 logging_level
=bt2
.logging
.LoggingLevel
.NONE
,
61 if not isinstance(component_class
, bt2
.component
._GenericComponentClass
):
65 if not issubclass(component_class
, bt2
.component
._UserComponent
):
72 raise TypeError("'{}' is not a component class object".format(o
))
74 utils
._check
_str
(object)
77 params_ptr
= native_bt
.value_null
79 params
= bt2
.create_value(params
)
80 params_ptr
= params
._ptr
82 utils
._check
_log
_level
(logging_level
)
83 cc_ptr
= component_class
._bt
_component
_class
_ptr
()
85 status
, result_ptr
= native_bt
.query_executor_query(
86 self
._ptr
, cc_ptr
, object, params_ptr
, logging_level
88 utils
._handle
_func
_status
(status
, 'cannot query component class')
90 return bt2
.value
._create
_from
_ptr
(result_ptr
)
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