Notes

Old methods from CompilationTree, need verification
====================================================

	static int findReferencesFor(QualifiedType qualifiedType) {
		int references = 0
		findReferencesFor(qualifiedType, { references++ })
		return references
	}

	static int countMethodInvocations(QualifiedType qualifiedType, Collection<String> methods) {
		int calls = 0
		findReferencesFor(qualifiedType, {
			calls = ASTHelper.getChildNodesByType(it, MethodCallExpr.class)
					.stream()
					.filter { methods.contains(it.name) }
					.mapToInt { 1 }
					.sum()
		})
		return calls
	}

	static void findReferencesFor(QualifiedType qualifiedType, Consumer<CompilationUnit> code) {
		def walker = getJavaFilteredFileStream()
		walker.forEach {
			getCompilationUnit(it)
					.ifPresent {

				List<ImportDeclaration> imports = it.imports

				Optional<ImportDeclaration> maybeImport = imports.stream()
						.filter { it.name.toStringWithoutComments() == qualifiedType.name }
						.findFirst()

				if (maybeImport.isPresent()) {
					code.accept(it)
				} else if (TypeHelper.isTypePresentInCompilationUnit(it, qualifiedType)) {
					code.accept(it)
				}
			}
		}
		StreamCloser.quietly(walker)
	}