1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.compatibility.common.tradefed.util; 17 18 import com.android.compatibility.common.tradefed.testtype.IModuleDef; 19 20 import java.util.HashSet; 21 import java.util.List; 22 23 /** 24 * Utility to count the number of unique module from list of {@link IModuleDef}. 25 */ 26 public class UniqueModuleCountUtil { 27 28 /** 29 * Count the number of unique modules within the list using module id. If two IModuleDef have 30 * the same id, they are part of the same module. 31 * 32 * @param listModules list of {@link IModuleDef} to count from 33 * @return the count of unique module. 34 */ 35 public static int countUniqueModules(List<IModuleDef> listModules) { 36 HashSet<String> uniqueNames = new HashSet<>(); 37 for (IModuleDef subModule : listModules) { 38 uniqueNames.add(subModule.getId()); 39 } 40 return uniqueNames.size(); 41 } 42 } 43
