1/**
2 * Copyright (C) 2012 Google Inc.
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.inject.spi;
18
19import static com.google.common.base.Preconditions.checkNotNull;
20
21import com.google.inject.Binder;
22import com.google.inject.Inject;
23
24/**
25 * A request to require explicit {@literal @}{@link Inject} annotations on constructors.
26 *
27 * @author sameb@google.com (Sam Berlin)
28 * @since 4.0
29 */
30public final class RequireAtInjectOnConstructorsOption implements Element {
31  private final Object source;
32
33  RequireAtInjectOnConstructorsOption(Object source) {
34    this.source = checkNotNull(source, "source");
35  }
36
37  public Object getSource() {
38    return source;
39  }
40
41  public void applyTo(Binder binder) {
42    binder.withSource(getSource()).requireAtInjectOnConstructors();
43  }
44
45  public <T> T acceptVisitor(ElementVisitor<T> visitor) {
46    return visitor.visit(this);
47  }
48}
49