1   /*
2    * Copyright (C) 2008 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  import java.util.Iterator;
22  
23  /**
24   * Adapts a test iterable generator to give a TestIteratorGenerator.
25   *
26   * @author George van den Driessche
27   */
28  @GwtCompatible
29  public final class DerivedTestIteratorGenerator<E>
30      implements TestIteratorGenerator<E>, DerivedGenerator {
31    private final TestSubjectGenerator<? extends Iterable<E>>
32        collectionGenerator;
33  
34    public DerivedTestIteratorGenerator(
35        TestSubjectGenerator<? extends Iterable<E>> collectionGenerator) {
36      this.collectionGenerator = collectionGenerator;
37    }
38  
39    @Override
40    public TestSubjectGenerator<? extends Iterable<E>> getInnerGenerator() {
41      return collectionGenerator;
42    }
43  
44    @Override
45    public Iterator<E> get() {
46      return collectionGenerator.createTestSubject().iterator();
47    }
48  }