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      1 /**
      2  * Copyright (C) 2010 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 com.google.inject.TypeLiteral;
     20 import com.google.inject.spi.Dependency;
     21 
     22 import java.lang.reflect.Constructor;
     23 import java.lang.reflect.Method;
     24 import java.util.Set;
     25 
     26 /**
     27  * Details about how a method in an assisted inject factory will be assisted.
     28  *
     29  * @since 3.0
     30  * @author ramakrishna (at) google.com (Ramakrishna Rajanna)
     31  */
     32 public interface AssistedMethod {
     33 
     34   /**
     35    * Returns the factory method that is being assisted.
     36    */
     37   Method getFactoryMethod();
     38 
     39   /**
     40    * Returns the implementation type that will be created when the method is
     41    * used.
     42    */
     43   TypeLiteral<?> getImplementationType();
     44 
     45   /**
     46    * Returns the constructor that will be used to construct instances of the
     47    * implementation.
     48    */
     49   Constructor<?> getImplementationConstructor();
     50 
     51   /**
     52    * Returns all non-assisted dependencies required to construct and inject
     53    * the implementation.
     54    */
     55   Set<Dependency<?>> getDependencies();
     56 }
     57