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Release/6.4.0
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,25 @@ | ||
| # Frontend Actions | ||
| Frontend actions are type of actions that are executed on frontend. The action implementation is done as part of | ||
| frontend code and they can be called from inside data or transition events. | ||
|
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| ## Calling an action from process code | ||
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| A frontend action is being called from inside events. The syntax is as follows: | ||
| ``` | ||
| Frontend.<action_name>(Object args...) | ||
| ``` | ||
|
|
||
| Example: | ||
| ``` | ||
| <event type="set"> | ||
| <id>data_set_event</id> | ||
| <actions phase="post"> | ||
| <action id="action_0"> | ||
| Frontend.redirect("login") | ||
| </action> | ||
| </actions> | ||
| </event> | ||
| ``` | ||
|
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| This code is sent to frontend as an attribute of `outcome` object, then frontend parses it | ||
| and calls the required action. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| # Resource Loading | ||
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| If you want to load resources, which are not included in JAR (for example large files), you can use the resource loader. | ||
| ResourceLoader returns an InputStreamResource. You can turn it into an InputStream and load resources from the directory **resource/** in the working directory of the app. | ||
| The prefix for ExternalResourceLoader is | ||
|
|
||
| ``` | ||
| resource: | ||
| ``` | ||
|
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| For use you can use code like this in your runner: | ||
| ```java | ||
| @Autowired | ||
| private ResourceLoader resourceLoader; | ||
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| @Value("resource:nameOfFile.txt") | ||
| private Resource customResource; | ||
|
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| @Override | ||
| void run(String... strings) throws Exception { | ||
| loadResources("resource:nameOfFile.txt"); | ||
| } | ||
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| void loadResources(String resourceUrl) { | ||
| var resource = resourceLoader.getResource(resourceUrl); | ||
| var txt = new String(resource.getInputStream().readAllBytes()); | ||
| System.out.println("File content: " + txt); | ||
| } | ||
|
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| void getCustomResource() throws IOException { | ||
| var txt = new String(customResource.getInputStream().readAllBytes()); | ||
| System.out.println("Resource from property: " + txt); | ||
| } | ||
| ``` | ||
|
|
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,36 @@ | ||
| # Shared roles | ||
| Shared roles or global roles are roles that are only created once and can be used and referenced across Petri nets. | ||
| To use a shared role in Petri nets first we must declare it. We can declare it as any other role with addition of ``global`` | ||
| attribute set to ``true``: | ||
| ```xml | ||
| <document xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' | ||
| xsi:noNamespaceSchemaLocation='https://petriflow.com/petriflow.schema.xsd'> | ||
| <id>nae_1927</id> | ||
| ... | ||
| <role global="true"> | ||
| <id>admin_global</id> | ||
| <title>Global Administrator</title> | ||
| </role> | ||
| ... | ||
| </document> | ||
| ``` | ||
| Then we can reference it as usual: | ||
| ```xml | ||
| ... | ||
| <transition> | ||
| <id>t1</id> | ||
| <x>460</x> | ||
| <y>180</y> | ||
| <label>Global roles</label> | ||
| <roleRef> | ||
| <id>admin_global</id> | ||
| <logic> | ||
| <view>true</view> | ||
| <perform>true</perform> | ||
| </logic> | ||
| </roleRef> | ||
| </transition> | ||
| ... | ||
| ``` | ||
| When importing a Petri net, the importer checks, whether the global role has already existed. | ||
| If not, the importer creates one. If there has been already one, the importer passes it to a the newly created net. |
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