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