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/**
* Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Florian Pirchner - Initial implementation
*/
package org.eclipse.osbp.xtext.oxtype.linking;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.xtext.common.types.JvmParameterizedTypeReference;
import org.eclipse.xtext.common.types.JvmType;
import org.eclipse.xtext.common.types.TypesFactory;
import org.eclipse.xtext.common.types.TypesPackage;
import org.eclipse.xtext.nodemodel.INode;
import org.eclipse.xtext.xbase.linking.XbaseLazyLinker;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Inject;
@SuppressWarnings("restriction")
public class LazyJvmTypeLinker extends XbaseLazyLinker {
private static final Logger LOGGER = LoggerFactory.getLogger(LazyJvmTypeLinker.class);
@Inject
private LazyJvmTypeLinkingHelper jvmLinkingHelper;
@Override
protected void clearReference(EObject obj, EReference ref) {
if (jvmLinkingHelper.isJvmLink((EReference) obj.eContainingFeature())) {
// do not clear this reference
return;
}
super.clearReference(obj, ref);
}
@SuppressWarnings("unchecked")
protected void createAndSetProxy(EObject obj, INode node, EReference eRef) {
if (jvmLinkingHelper.isJvmLink(eRef)) {
return;
}
EObject proxy = createProxy(obj, node, eRef);
if (eRef.isMany()) {
((InternalEList<EObject>) obj.eGet(eRef, false)).addUnique(proxy);
} else {
obj.eSet(eRef, proxy);
}
if (jvmLinkingHelper.needsJvmLinking(eRef)) {
for (EReference jvmLinkReference : jvmLinkingHelper.getJvmLinkingReferences(eRef)) {
final JvmParameterizedTypeReference typeRef = TypesFactory.eINSTANCE
.createJvmParameterizedTypeReference();
if (eRef.isMany()) {
((InternalEList<EObject>) obj.eGet(jvmLinkReference, false)).addUnique(typeRef);
} else {
obj.eSet(jvmLinkReference, typeRef);
}
final JvmType jvmProxy = (JvmType) createProxy(typeRef, node,
TypesPackage.Literals.JVM_PARAMETERIZED_TYPE_REFERENCE__TYPE);
typeRef.setType(jvmProxy);
LazyJvmTypeLinkingHelper.IJvmTypeRefFinisher finisher = jvmLinkingHelper.getFinisher(jvmLinkReference);
if (finisher != null) {
finisher.finish(jvmLinkReference, typeRef);
}
}
}
}
/**
* Unique name of representation.
*
* @param referenceType
* @param crossReferenceString
* @return
*/
private String createProxyAccess(EClass referenceType, String crossReferenceString) {
return String.format("%s.%s.%s", referenceType.getEPackage().getNsURI(), referenceType.getName(),
crossReferenceString);
}
}
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