public synchronized ResolutionContext startResolvingChildren(BOMNode node) throws CoreException {
Resolution nodeRes = node.getResolution();
if (invalidateRun || nodeRes == null) return null;
ComponentQuery cquery = node.getQuery();
ResolutionContext originalContext = query.getResolutionContext();
ResolutionContext context = originalContext;
if (!(cquery == null || cquery.equals(context.getComponentQuery())))
context = new ResolutionContext(cquery, context);
CSpec cspec = nodeRes.getCSpec();
Collection<Generator> generators = cspec.getGeneratorList();
if (generators.size() > 0) {
if (context == originalContext)
context = new ResolutionContext(originalContext.getComponentQuery(), originalContext);
context.setGenerators(cspec, generators);
}
if (context != originalContext) query = context.getNodeQuery(query.getQualifiedDependency());
return context;
}
public BOMNode collectNodes(
Map<UUID, BOMNode> nodeMap, Stack<Resolution> circularDepTrap, boolean sameTop)
throws CoreException {
if (query.skipComponent()) return null;
if (generatorNode != null) return generatorNode;
if (resolution == null) return new UnresolvedNode(query.getQualifiedDependency());
UUID myID = resolution.getId();
BOMNode node = nodeMap.get(myID);
if (node != null) return node;
if (circularDepTrap.contains(resolution)) {
if (query.allowCircularDependency()) return null;
ArrayList<String> attrs = new ArrayList<String>(circularDepTrap.size());
for (Resolution res : circularDepTrap) attrs.add(res.getCSpec().getName());
attrs.add(resolution.getName());
throw new CircularDependencyException(attrs);
}
boolean transitive = true;
if (IComponentType.OSGI_BUNDLE.equals(resolution.getComponentTypeId())) {
// We don't traverse the children of source bundles since that
// dependency is synthesized
transitive = !resolution.getName().endsWith(".source"); // $NON-NLS-1$
}
List<BOMNode> childNodes;
int top = children.length;
ComponentQuery cquery = query.getComponentQuery();
if (transitive && top > 0) {
try {
ArrayList<BOMNode> childNodeArr = new ArrayList<BOMNode>(top);
circularDepTrap.push(resolution);
for (ResolverNode child : children) {
boolean sameChildTop = cquery.equals(child.query.getComponentQuery());
BOMNode childNode = child.collectNodes(nodeMap, circularDepTrap, sameChildTop);
if (childNode == null) {
// We encountered a skipped component or an allowed
// circular dependency. This
// means we must alter the resolution of this node
//
String depName = child.getQuery().getComponentRequest().getName();
CSpec cspec = resolution.getCSpec();
CSpecBuilder bld = new CSpecBuilder();
bld.initFrom(cspec);
for (IAttribute attr : cspec.getAttributes().values()) {
for (IPrerequisite pq : attr.getPrerequisites()) {
if (depName.equals(pq.getComponentName()))
((TopLevelAttributeBuilder) bld.getAttribute(attr.getName()))
.removePrerequisite(pq);
}
}
bld.removeDependency(depName);
cspec = bld.createCSpec();
resolution = new Resolution(cspec, resolution);
} else childNodeArr.add(childNode);
}
circularDepTrap.pop();
childNodes = childNodeArr;
} catch (CircularDependencyException e) {
if (query.allowCircularDependency()) return null;
throw e;
}
} else childNodes = Collections.emptyList();
node = new ResolvedNode(resolution, childNodes);
if (!sameTop) node = BillOfMaterials.create(node, cquery);
nodeMap.put(myID, node);
return node;
}