Hello,
I will narrow down my questions. If a groovy script in openHAB calls
`scriptExtension.importPreset("RuleSupport")`, then the system executes
essentially in JSR 223 context:
scriptEngine.put("Configuration",
org.openhab.core.config.core.Configuration.class)
scriptEngine.put("TriggerBuilder",
org.openhab.core.automation.util.TriggerBuilder.class)
where scriptEngine was returned by GroovyScriptEngineImpl() (before
`scriptExtension.importPreset("RuleSupport")` was executed).
Why afterwards this works from that started groovy script:
scriptExtension.importPreset("RuleSupport")
var r =
TriggerBuilder.create().withId("trig2").withTypeUID("core.ItemStateChangeTrigger").build()
var c = Configuration.class
but this produces an error:
scriptExtension.importPreset("RuleSupport")
var c = new Configuration()
Error during evaluation of script '/etc/openhab/automation/jsr223/u.groovy':
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
/etc/openhab/automation/jsr223/u.groovy: 2: unable to resolve class
Configuration
@ line 2, column 9.
var c = new Configuration()
^
1 error
How can this be made working?
Greetings // Дилян
-----Original Message-----
From: Дилян Палаузов <[email protected]>
To: [email protected]
Subject: What is the purpose of CompilationCustomizer.getPhase(); Can
importCustomizer() add imports, after groovy file execution has started, based
on the instructions in that groovy file?
Date: 04/10/25 21:47:31
Hello,
* what is the purpose of CompilationCustomizer.getPhase(), which is not
described at
https://docs.groovy-lang.org/4.0.0/html/api/org/codehaus/groovy/control/customizers/CompilationCustomizer.html#getPhase()
?
OpenHAB integrates Groovy 4.0.28 ala JSR223 by utilizing two files -
https://github.com/openhab/openhab-addons/tree/main/bundles/org.openhab.automation.groovyscripting/src/main/java/org/openhab/automation/groovyscripting/internal
.
When a .groovy input file is proceeded, first some default things are inserted
into the scripting engine in GroovyScriptEngineFactory.scopeValues(). If the
thing is a variable, then it is inserted with scriptEngine.put(variable-name,
value). If the thing is a class, then the class is added to an
ImportCustomizer, and the latter is at the end
.addCompilationCustomizers(importCustomizer). This works!
After the script execution has started, in OpenHAB JSR223 one can execute
`se.importPreset("RuleSupport")` - cf
https://www.openhab.org/docs/configuration/jsr223.html - to add further things
in the context. Currently GroovyScriptEngineFactory.scopeValues() does again
for classes create a new ImportCustomizer, addImport, e.g.
addImport("TriggerBuilder", org.openhab.core.automation.util.TriggerBuilder).
This does not work, however, and the question is why: with the content of file
t.groovy:n
se.importPreset("RuleSupport")
var k = TriggerBuilder.create()
produces an error:
javax.script.ScriptException: groovy.lang.MissingPropertyException: No such
property: TriggerBuilder for class: t
* As far as I see ImportCustomizer has always phase=CONVERSION. Does this
mean, that ImportCustomizer can only be adjusted before script execution has
started?
* What should above `se.importPreset("RuleSupport")` do, so that the second
line assumes that `import org.openhab.core.automation.util.TriggerBuilder;` is
executed after the first line and before the second line?
Thanks // Дилян
