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Java example source code file (ImplementationNode.java)

This example Java source code file (ImplementationNode.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

collection, implementationnode, node, object, override, reflection, string, util

The ImplementationNode.java Java example source code

 * Copyright (C) 2008 Google Inc.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package com.google.inject.grapher;

import com.google.common.base.Objects;
import java.lang.reflect.Member;
import java.util.Collection;

 * Node for types that have {@link com.google.inject.spi.Dependency}s and are
 * bound to {@link InterfaceNode}s. These nodes will often have fields for
 * {@link Member}s that are {@link com.google.inject.spi.InjectionPoint}s.
 * @see DependencyEdge
 * @author phopkins@gmail.com (Pete Hopkins)
 * @since 4.0 (since 2.0 as an interface)
public class ImplementationNode extends Node {
  private final Collection<Member> members;

  public ImplementationNode(NodeId id, Object source, Collection<Member> members) {
    super(id, source);
    this.members = members;

  public Collection<Member> getMembers() {
    return members;

  @Override public boolean equals(Object obj) {
    if (!(obj instanceof ImplementationNode)) {
      return false;
    ImplementationNode other = (ImplementationNode) obj;
    return super.equals(other) && Objects.equal(members, other.members);

  @Override public int hashCode() {
    return 31 * super.hashCode() + Objects.hashCode(members);

  @Override public String toString() {
    return "ImplementationNode{id=" + getId() + " source=" + getSource()
        + " members=" + members + "}";

  @Override public Node copy(NodeId id) {
    return new ImplementationNode(id, getSource(), getMembers());

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