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      1 /**
      2  * Copyright (C) 2011 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.grapher;
     18 
     19 import com.google.inject.Binding;
     20 
     21 /**
     22  * Creator of node aliases. Used by dependency graphers to merge nodes in the internal Guice graph
     23  * into a single node on the rendered graph.
     24  *
     25  * @author bojand (at) google.com (Bojan Djordjevic)
     26  * @since 4.0
     27  */
     28 public interface AliasCreator {
     29   /**
     30    * Returns aliases for the given dependency graph. The aliases do not need to be transitively
     31    * resolved, i.e. it is valid to return an alias (X to Y) and an alias (Y to Z). It is the
     32    * responsibility of the caller to resolve this to (X to Z) and (Y to Z).
     33    *
     34    * @param bindings bindings that make up the dependency graph
     35    * @return aliases that should be applied on the graph
     36    */
     37   Iterable<Alias> createAliases(Iterable<Binding<?>> bindings);
     38 }
     39