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aws-cdk.aws-iotevents-actions-alpha-2.78.0a0
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Receipt Detector Model actions for AWS IoT Events
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | aws-cdk.aws-iotevents-actions-alpha-2.78.0a0 |
| نام | aws-cdk.aws-iotevents-actions-alpha |
| نسخه کتابخانه | 2.78.0a0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Amazon Web Services |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | https://github.com/aws/aws-cdk |
| آدرس اینترنتی | https://pypi.org/project/aws-cdk.aws-iotevents-actions-alpha/ |
| مجوز | Apache-2.0 |
# Actions for AWS::IoTEvents Detector Model
<!--BEGIN STABILITY BANNER-->---
> The APIs of higher level constructs in this module are experimental and under active development.
> They are subject to non-backward compatible changes or removal in any future version. These are
> not subject to the [Semantic Versioning](https://semver.org/) model and breaking changes will be
> announced in the release notes. This means that while you may use them, you may need to update
> your source code when upgrading to a newer version of this package.
---
<!--END STABILITY BANNER-->
This library contains integration classes to specify actions of state events of Detector Model in `@aws-cdk/aws-iotevents`.
Instances of these classes should be passed to `State` defined in `@aws-cdk/aws-iotevents`
You can define built-in actions to use a timer or set a variable, or send data to other AWS resources.
This library contains integration classes to use a timer or set a variable, or send data to other AWS resources.
AWS IoT Events can trigger actions when it detects a specified event or transition event.
Currently supported are:
* Use timer
* Set variable to detector instance
* Invoke a Lambda function
## Use timer
The code snippet below creates an Action that creates the timer with duration in seconds.
```python
# Example automatically generated from non-compiling source. May contain errors.
import aws_cdk.aws_iotevents_alpha as iotevents
import aws_cdk.aws_iotevents_actions_alpha as actions
# input: iotevents.IInput
state = iotevents.State(
state_name="MyState",
on_enter=[iotevents.Event(
event_name="test-event",
condition=iotevents.Expression.current_input(input),
actions=[
actions.SetTimerAction("MyTimer", {
"duration": cdk.Duration.seconds(60)
})
]
)]
)
```
Setting duration by [IoT Events Expression](https://docs.aws.amazon.com/iotevents/latest/developerguide/iotevents-expressions.html):
```python
# Example automatically generated from non-compiling source. May contain errors.
actions.SetTimerAction("MyTimer",
duration_expression=iotevents.Expression.input_attribute(input, "payload.durationSeconds")
)
```
And the timer can be reset and cleared. Below is an example of general
[Device HeartBeat](https://docs.aws.amazon.com/iotevents/latest/developerguide/iotevents-examples-dhb.html)
Detector Model:
```python
# Example automatically generated from non-compiling source. May contain errors.
online = iotevents.State(
state_name="Online",
on_enter=[{
"event_name": "enter-event",
"condition": iotevents.Expression.current_input(input),
"actions": [
actions.SetTimerAction("MyTimer",
duration=cdk.Duration.seconds(60)
)
]
}],
on_input=[{
"event_name": "input-event",
"condition": iotevents.Expression.current_input(input),
"actions": [
actions.ResetTimerAction("MyTimer")
]
}],
on_exit=[{
"event_name": "exit-event",
"actions": [
actions.ClearTimerAction("MyTimer")
]
}]
)
offline = iotevents.State(state_name="Offline")
online.transition_to(offline, when=iotevents.Expression.timeout("MyTimer"))
offline.transition_to(online, when=iotevents.Expression.current_input(input))
```
## Set variable to detector instance
The code snippet below creates an Action that set variable to detector instance
when it is triggered.
```python
import aws_cdk.aws_iotevents_alpha as iotevents
import aws_cdk.aws_iotevents_actions_alpha as actions
# input: iotevents.IInput
state = iotevents.State(
state_name="MyState",
on_enter=[iotevents.Event(
event_name="test-event",
condition=iotevents.Expression.current_input(input),
actions=[
actions.SetVariableAction("MyVariable",
iotevents.Expression.input_attribute(input, "payload.temperature"))
]
)]
)
```
## Invoke a Lambda function
The code snippet below creates an Action that invoke a Lambda function
when it is triggered.
```python
import aws_cdk.aws_iotevents_alpha as iotevents
import aws_cdk.aws_iotevents_actions_alpha as actions
import aws_cdk.aws_lambda as lambda_
# input: iotevents.IInput
# func: lambda.IFunction
state = iotevents.State(
state_name="MyState",
on_enter=[iotevents.Event(
event_name="test-event",
condition=iotevents.Expression.current_input(input),
actions=[actions.LambdaInvokeAction(func)]
)]
)
```
نیازمندی
| مقدار | نام |
|---|---|
| ==2.78.0 | aws-cdk-lib |
| ==2.78.0.a0 | aws-cdk.aws-iotevents-alpha |
| <11.0.0,>=10.0.0 | constructs |
| <2.0.0,>=1.78.1 | jsii |
| >=0.0.3 | publication |
| ~=2.13.3 | typeguard |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| ~=3.7 | Python |
نحوه نصب
نصب پکیج whl aws-cdk.aws-iotevents-actions-alpha-2.78.0a0:
pip install aws-cdk.aws-iotevents-actions-alpha-2.78.0a0.whl
نصب پکیج tar.gz aws-cdk.aws-iotevents-actions-alpha-2.78.0a0:
pip install aws-cdk.aws-iotevents-actions-alpha-2.78.0a0.tar.gz