/* * Copyright 2015-present Facebook, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. You may obtain * a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package com.facebook.buck.rules; import com.facebook.buck.model.BuildTarget; import com.google.common.collect.ImmutableSortedSet; /** Utility class to work with {@link TargetNode} objects. */ public class TargetNodes { // Utility class, do not instantiate. private TargetNodes() {} /** * If {@code node} refers to a node which contains references to its tests, returns the tests * associated with that node. * * <p>Otherwise, returns an empty set. */ public static ImmutableSortedSet<BuildTarget> getTestTargetsForNode(TargetNode<?, ?> node) { if (node.getConstructorArg() instanceof HasTests) { return ((HasTests) node.getConstructorArg()).getTests(); } else { return ImmutableSortedSet.of(); } } }