1 /** 2 * Copyright (C) 2007 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 17 package com.google.inject.assistedinject; 18 19 import static java.lang.annotation.ElementType.FIELD; 20 import static java.lang.annotation.ElementType.METHOD; 21 import static java.lang.annotation.ElementType.PARAMETER; 22 import static java.lang.annotation.RetentionPolicy.RUNTIME; 23 24 import com.google.inject.BindingAnnotation; 25 26 import java.lang.annotation.Retention; 27 import java.lang.annotation.Target; 28 29 /** 30 * Annotates an injected parameter or field whose value comes from an argument to a factory method. 31 * 32 * @author jmourits@google.com (Jerome Mourits) 33 * @author jessewilson@google.com (Jesse Wilson) 34 */ 35 @BindingAnnotation @Target({ FIELD, PARAMETER, METHOD }) @Retention(RUNTIME) 36 public @interface Assisted { 37 38 /** 39 * The unique name for this parameter. This is matched to the {@literal @Assisted} constructor 40 * parameter with the same value. Names are not necessary when the parameter types are distinct. 41 */ value()42 String value() default ""; 43 }