Java example source code file (InstanceNode.java)

This example Java source code file (InstanceNode.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

instancenode, iterable, object, override, reflection, string

The InstanceNode.java Java example source code

/**
 * Copyright (C) 2011 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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * 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;

/**
 * Node for instances. Used when a type is bound to an instance.
 *
 * @author bojand@google.com (Bojan Djordjevic)
 * @since 4.0
 */
public class InstanceNode extends Node {
  private final Object instance;
  private final Iterable<Member> members;

  public InstanceNode(NodeId id, Object source, Object instance, Iterable<Member> members) {
    super(id, source);
    this.instance = instance;
    this.members = members;
  }

  public Object getInstance() {
    return instance;
  }

  public Iterable<Member> getMembers() {
    return members;
  }

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

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

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

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