DerivedTestIteratorGenerator.java revision 7dd252788645e940eada959bdde927426e2531c9 
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
17package com.google.common.collect.testing;
18
19import com.google.common.annotations.GwtCompatible;
20
21import java.util.Iterator;
22
23/**
24 * Adapts a test iterable generator to give a TestIteratorGenerator.
25 *
26 * <p>This class is GWT compatible.
27 *
28 * @author George van den Driessche
29 */
30@GwtCompatible
31public final class DerivedTestIteratorGenerator<E>
32    implements TestIteratorGenerator<E>, DerivedGenerator {
33  private final TestSubjectGenerator<? extends Iterable<E>>
34      collectionGenerator;
35
36  public DerivedTestIteratorGenerator(
37      TestSubjectGenerator<? extends Iterable<E>> collectionGenerator) {
38    this.collectionGenerator = collectionGenerator;
39  }
40
41  @Override
42  public TestSubjectGenerator<? extends Iterable<E>> getInnerGenerator() {
43    return collectionGenerator;
44  }
45
46  @Override
47  public Iterator<E> get() {
48    return collectionGenerator.createTestSubject().iterator();
49  }
50}
51