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Home » Modeling » TMF (Xtext) » Serializing partial model
Serializing partial model [message #1396073] Mon, 07 July 2014 21:01
Christian Pelster is currently offline Christian PelsterFriend
Messages: 23
Registered: January 2010
Junior Member
Hi all,

I'm trying to serialize not a full but only a small part of a xtext model wihtin xtend. My naive approach was to just call the serialization like:


@Inject extension Serializer

[....]
		
var dictionary = MangoFactory.eINSTANCE.createDictionary();
dictionary.setEntity(entity);
dictionary.setName("xxx");

var serializedModel = dictionary.serialize



Unfortunatly this fails because of the
dictionary.setEntity(entity); part. The entity set via setEntity is from an existing full model. The callstack is:

at org.eclipse.xtext.scoping.impl.ImportedNamespaceAwareLocalScopeProvider.getResourceScope(ImportedNamespaceAwareLocalScopeProvider.java:95)
	at org.eclipse.xtext.scoping.impl.ImportedNamespaceAwareLocalScopeProvider.getScope(ImportedNamespaceAwareLocalScopeProvider.java:89)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.delegateGetScope(AbstractDeclarativeScopeProvider.java:72)
	at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:102)
	at org.eclipse.xtext.serializer.tokens.CrossReferenceSerializer.serializeCrossRef(CrossReferenceSerializer.java:84)
	at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.getToken(SequenceFeeder.java:454)
	at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:220)
	at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:407)
	at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:449)
	at io.pelle.mango.dsl.serializer.MangoSemanticSequencer.sequence_Dictionary(MangoSemanticSequencer.java:864)
	at io.pelle.mango.dsl.serializer.MangoSemanticSequencer.createSequence(MangoSemanticSequencer.java:163)
	at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:85)
	at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:108)
	at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:122)
	at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:51)


Obviously it fails when getting the scope for the partial model (which seems logical because there currently is no scope because of it's nature).

any hints how to achieve this?

Regards,

Christian
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