1 /* 2 * Copyright (C) 2012 The Guava Authors 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 package com.google.common.collect.testing; 18 19 import com.google.common.annotations.GwtCompatible; 20 21 /** 22 * A generator that relies on a preexisting generator for most of its work. For example, a derived 23 * iterator generator may delegate the work of creating the underlying collection to an inner 24 * collection generator. 25 * 26 * <p>{@code GwtTestSuiteGenerator} expects every {@code DerivedIterator} implementation to provide 27 * a one-arg constructor accepting its inner generator as an argument). This requirement enables it 28 * to generate source code (since GWT cannot use reflection to generate the suites). 29 * 30 * @author Chris Povirk 31 */ 32 @GwtCompatible 33 public interface DerivedGenerator { 34 TestSubjectGenerator<?> getInnerGenerator(); 35 } 36