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Bridge that plugs GraalVM languages into Scripting.createManager() can be found in this module.
Question (arch-overall): Describe the overall architecture. Answer:Bridge that plugs GraalVM languages into Scripting.createManager() to obtain enhanced version of ScriptEngineManager. Please see the scripting tutorial to read about many interesting use-cases.
Question (arch-usecases): Describe the main use cases of the new API. Who will use it under what circumstances? What kind of code would typically need to be written to use the module? Answer:
createManager()
method that
should be used whenever one needs an instance of
ScriptEngineManager
inside of NetBeans based application.
Many client oriented use-cases are covered in the
scripting tutorial.
GraalVM:lang
name and makes them accessible via
NetBeans Scripting
API.
org.graalvm.polyglot
APIs.
Use them to obtain access to the GraalVM directly, if you only
want to work with them and generic
Scripting
wrapper isn't enough.
Question (arch-time):
What are the time estimates of the work?
Answer:
Ready for Apache NetBeans 11 release.
Question (arch-quality): How will the quality of your code be tested and how are future regressions going to be prevented? Answer:Unit tested.
Question (arch-where): Where one can find sources for your module? Answer:
The sources for the module are in the Apache Git repositories or in the GitHub repositories.
These modules are required in project.xml:
XXX no answer for dep-non-nb
Question (dep-platform): On which platforms does your module run? Does it run in the same way on each? Answer:XXX no answer for dep-platform
Question (dep-jre): Which version of JRE do you need (1.2, 1.3, 1.4, etc.)? Answer:XXX no answer for dep-jre
Question (dep-jrejdk): Do you require the JDK or is the JRE enough? Answer:XXX no answer for dep-jrejdk
XXX no answer for deploy-jar
Question (deploy-nbm): Can you deploy an NBM via the Update Center? Answer:XXX no answer for deploy-nbm
Question (deploy-shared): Do you need to be installed in the shared location only, or in the user directory only, or can your module be installed anywhere? Answer:XXX no answer for deploy-shared
Question (deploy-packages): Are packages of your module made inaccessible by not declaring them public? Answer:XXX no answer for deploy-packages
Question (deploy-dependencies): What do other modules need to do to declare a dependency on this one, in addition to or instead of the normal module dependency declaration (e.g. tokens to require)? Answer:XXX no answer for deploy-dependencies
XXX no answer for compat-i18n
Question (compat-standards): Does the module implement or define any standards? Is the implementation exact or does it deviate somehow? Answer:Question (compat-version): Can your module coexist with earlier and future versions of itself? Can you correctly read all old settings? Will future versions be able to read your current settings? Can you read or politely ignore settings stored by a future version? Answer:
XXX no answer for compat-version
Question (compat-deprecation): How the introduction of your project influences functionality provided by previous version of the product? Answer:XXX no answer for compat-deprecation
java.io.File
directly?
Answer:
XXX no answer for resources-file
Question (resources-layer): Does your module provide own layer? Does it create any files or folders in it? What it is trying to communicate by that and with which components? Answer:XXX no answer for resources-layer
Question (resources-read): Does your module read any resources from layers? For what purpose? Answer:XXX no answer for resources-read
Question (resources-mask): Does your module mask/hide/override any resources provided by other modules in their layers? Answer:XXX no answer for resources-mask
Question (resources-preferences): Does your module uses preferences via Preferences API? Does your module use NbPreferences or or regular JDK Preferences ? Does it read, write or both ? Does it share preferences with other modules ? If so, then why ? Answer:XXX no answer for resources-preferences
org.openide.util.Lookup
or any similar technology to find any components to communicate with? Which ones?
Answer:
XXX no answer for lookup-lookup
Question (lookup-register): Do you register anything into lookup for other code to find? Answer:XXX no answer for lookup-register
Question (lookup-remove): Do you remove entries of other modules from lookup? Answer:XXX no answer for lookup-remove
System.getProperty
) property?
On a similar note, is there something interesting that you
pass to java.util.logging.Logger
? Or do you observe
what others log?
Answer:
XXX no answer for exec-property
Question (exec-component): Is execution of your code influenced by any (string) property of any of your components? Answer:
GraalVM:Engine
-
When this module is used (on GraalVM or
without)
it automatically exports all available languages (obtained via
org.graalvm.polyglot.Engine
) as
ScriptEngine
instances. These dynamically created engines use GraalVM:
prefix (GraalVM:js
, GraalVM:python
) in their
name.
allowAllAccess
-
By default all the GraalVM engines
(named GraalVM:something
)
run in a very restricted, secure sandbox. See
GraalSDK
for details. That means the languages cannot
access local files, ports, etc. Some languages (like
>FastR
implementation of the R language) need such access. In such
case one has to allow such access. This can be done by
var eng = Scripting.createManager().getEngineByMimeType("application/x-r"); eng.getContext().setAttribute("allowAllAccess", true, ScriptContext.GLOBAL_SCOPE)Question (exec-ant-tasks): Do you define or register any ant tasks that other can use? Answer:
XXX no answer for exec-ant-tasks
Question (exec-classloader): Does your code create its own class loader(s)? Answer:XXX no answer for exec-classloader
Question (exec-reflection): Does your code use Java Reflection to execute other code? Answer:XXX no answer for exec-reflection
Question (exec-privateaccess): Are you aware of any other parts of the system calling some of your methods by reflection? Answer:XXX no answer for exec-privateaccess
Question (exec-process): Do you execute an external process from your module? How do you ensure that the result is the same on different platforms? Do you parse output? Do you depend on result code? Answer:XXX no answer for exec-process
Question (exec-introspection): Does your module use any kind of runtime type information (instanceof
,
work with java.lang.Class
, etc.)?
Answer:
XXX no answer for exec-introspection
Question (exec-threading): What threading models, if any, does your module adhere to? How the project behaves with respect to threading? Answer:XXX no answer for exec-threading
Question (security-policy): Does your functionality require modifications to the standard policy file? Answer:XXX no answer for security-policy
Question (security-grant): Does your code grant additional rights to some other code? Answer:XXX no answer for security-grant
XXX no answer for format-types
Question (format-dnd): Which protocols (if any) does your code understand during Drag & Drop? Answer:XXX no answer for format-dnd
Question (format-clipboard): Which data flavors (if any) does your code read from or insert to the clipboard (by access to clipboard on means calling methods onjava.awt.datatransfer.Transferable
?
Answer:
XXX no answer for format-clipboard
XXX no answer for perf-startup
Question (perf-exit): Does your module run any code on exit? Answer:XXX no answer for perf-exit
Question (perf-scale): Which external criteria influence the performance of your program (size of file in editor, number of files in menu, in source directory, etc.) and how well your code scales? Answer:XXX no answer for perf-scale
Question (perf-limit): Are there any hard-coded or practical limits in the number or size of elements your code can handle? Answer:XXX no answer for perf-limit
Question (perf-mem): How much memory does your component consume? Estimate with a relation to the number of windows, etc. Answer:XXX no answer for perf-mem
Question (perf-wakeup): Does any piece of your code wake up periodically and do something even when the system is otherwise idle (no user interaction)? Answer:XXX no answer for perf-wakeup
Question (perf-progress): Does your module execute any long-running tasks? Answer:XXX no answer for perf-progress
Question (perf-huge_dialogs): Does your module contain any dialogs or wizards with a large number of GUI controls such as combo boxes, lists, trees, or text areas? Answer:XXX no answer for perf-huge_dialogs
Question (perf-menus): Does your module use dynamically updated context menus, or context-sensitive actions with complicated and slow enablement logic? Answer:XXX no answer for perf-menus
Question (perf-spi): How the performance of the plugged in code will be enforced? Answer:XXX no answer for perf-spi