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.common.base.Objects; 20 import java.lang.reflect.Member; 21 22 /** 23 * Node for instances. Used when a type is bound to an instance. 24 * 25 * @author bojand@google.com (Bojan Djordjevic) 26 * @since 4.0 27 */ 28 public class InstanceNode extends Node { 29 private final Object instance; 30 private final Iterable<Member> members; 31 InstanceNode(NodeId id, Object source, Object instance, Iterable<Member> members)32 public InstanceNode(NodeId id, Object source, Object instance, Iterable<Member> members) { 33 super(id, source); 34 this.instance = instance; 35 this.members = members; 36 } 37 getInstance()38 public Object getInstance() { 39 return instance; 40 } 41 getMembers()42 public Iterable<Member> getMembers() { 43 return members; 44 } 45 46 @Override equals(Object obj)47 public boolean equals(Object obj) { 48 if (!(obj instanceof InstanceNode)) { 49 return false; 50 } 51 InstanceNode other = (InstanceNode) obj; 52 return super.equals(other) 53 && Objects.equal(instance, other.instance) 54 && Objects.equal(members, other.members); 55 } 56 57 @Override hashCode()58 public int hashCode() { 59 return 31 * super.hashCode() + Objects.hashCode(instance, members); 60 } 61 62 @Override toString()63 public String toString() { 64 return "InstanceNode{id=" 65 + getId() 66 + " source=" 67 + getSource() 68 + " instance=" 69 + instance 70 + " members=" 71 + members 72 + "}"; 73 } 74 75 @Override copy(NodeId id)76 public Node copy(NodeId id) { 77 return new InstanceNode(id, getSource(), getInstance(), getMembers()); 78 } 79 } 80