private void processReference(SModelReferenceEvent event) {
SReference ref = event.getReference();
final SNode sourceNode = ref.getSourceNode();
if (sourceNode.getModel() == null) {
return;
}
final SNodeId nodeId = sourceNode.getNodeId();
final String role = ref.getRole();
runUpdateTask(
new _FunctionTypes._void_P0_E0() {
public void invoke() {
removeChanges(
nodeId,
SetReferenceChange.class,
new _FunctionTypes._return_P1_E0<Boolean, SetReferenceChange>() {
public Boolean invoke(SetReferenceChange ch) {
return role.equals(ch.getRole());
}
});
buildAndAddChanges(
new _FunctionTypes._void_P1_E0<ChangeSetBuilder>() {
public void invoke(ChangeSetBuilder b) {
b.buildForReference(getOldNode(nodeId), sourceNode, role);
}
});
}
},
event.getReference().getSourceNode(),
event);
}
@Override
public SNodeReference getReferenceRoleId(SReference reference) {
return MapSequence.fromMap(myReferenceRolesToPointers)
.get(
MultiTuple.<String, String>from(
reference.getSourceNode().getConcept().getConceptId(), reference.getRole()));
}
@Override
public void referenceRoleRead(SReference reference, SNodeReference linkPointer) {
storeAndCheckConsistency(
myReferenceRolesToPointers,
MultiTuple.<String, String>from(
reference.getSourceNode().getConcept().getConceptId(), reference.getRole()),
linkPointer);
}
public static SNode findLinkDeclaration(SReference reference) {
if (reference == null) {
return null;
}
return ((SNode)
SModelSearchUtil.findLinkDeclaration(
jetbrains.mps.lang.smodel.generator.smodelAdapter.SNodeOperations.getConceptDeclaration(
((SNode) reference.getSourceNode())),
reference.getRole()));
}
public void updateUsage(SReference usage, SNode newTarget) {
usage.getSourceNode().setReferenceTarget(usage.getLink(), newTarget);
}