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org.eclipse.xtext.validation.CheckMode definition [message #1733923]

Thu, 02 June 2016 09:16

chris yo

Messages: 146
Registered: February 2013

Senior Member

This line is automatically generated by xtext:

List<Issue> list = validator.validate(resource, CheckMode.ALL, CancelIndicator.NullImpl);

I am planning to change the CheckMode value.
There are several types but the documentation does not specify what each type does.

static CheckMode	ALL 
static CheckMode	EXPENSIVE_ONLY 
static CheckMode	FAST_ONLY 
static CheckMode	NORMAL_AND_FAST 
static CheckMode	NORMAL_ONLY

I would say that EXPENSIVE means validation will take longer, but what does it cover? What is the difference with EXPENSIVE_ONLY and ALL?
How about NORMAL_ONLY, NORMAL_AND_FAST and FAST_ONLY?

Is there a document that states what each mode checks for?

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Re: org.eclipse.xtext.validation.CheckMode definition [message #1733924 is a reply to message #1733923]

Thu, 02 June 2016 09:20

Christian Dietrich

Messages: 13193
Registered: July 2009

Senior Member

You can give your @Check(CheckType.FAST|NORMAL|EXPENSIVE) annotation.
The check mode says which to pick

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Re: org.eclipse.xtext.validation.CheckMode definition [message #1734289 is a reply to message #1733924]

Mon, 06 June 2016 19:25

Jan Koehnlein

Messages: 760
Registered: July 2009
Location: Hamburg

Senior Member

FAST: Triggered by the reconciler, i.e. when you stop typing in the editor for 200ms. These checks should execute fast. This is the default.
NORMAL: Triggered by the builder, i.e. on save. These checks are allowed to take a little longer without damaging the user experience to much.
EXPENSIVE: Only when the user explicitly triggers a validation action in the menu. Usually that is for tests that take so long that it would disturb the user too much when triggered automatically.

Every mode includes its predecessors, except for the XXX_only modes.

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