1 /* 2 * Copyright (C) 2016 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 17 import java.util.function.Consumer; 18 class Transform { 19 public void sayHi(int recur, Consumer<String> reporter, Runnable r) { 20 privateSayHi(recur, reporter, r); 21 } 22 23 private void privateSayHi(int recur, Consumer<String> reporter, Runnable r) { 24 reporter.accept("hello" + recur); 25 if (recur == 1) { 26 r.run(); 27 privateSayHi(recur - 1, reporter, r); 28 } else if (recur != 0) { 29 privateSayHi(recur - 1, reporter, r); 30 } 31 reporter.accept("goodbye" + recur); 32 } 33 } 34
