/**
    * Licensed to jclouds, Inc. (jclouds) under one or more
    * contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  jclouds licenses this file
    * to you 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 org.jclouds.savvis.vpdc.domain;
  
  import java.net.URI;
  
  /**
   * Location of a Rest resource
   * 
   * @author Adrian Cole
   * 
   */
  public class Link extends ResourceImpl {
     protected final String rel;
  
     public Link( String id,String name, String type, URI href, String rel) {
        super(id, name, type, href);
        this.rel = rel;
     }
  
     public String getRel() {
        return rel;
     }
  
     public int compareTo(Link that) {
        return (this == that) ? 0 : getHref().compareTo(that.getHref());
     }
  
     @Override
     public int hashCode() {
        final int prime = 31;
        int result = super.hashCode();
        result = prime * result + ((rel == null) ? 0 : rel.hashCode());
        return result;
     }
  
     @Override
     public boolean equals(Object obj) {
        if (this == obj)
           return true;
        if (!super.equals(obj))
           return false;
        if (getClass() != obj.getClass())
           return false;
        Link other = (Link) obj;
        if (rel == null) {
           if (other.rel != null)
              return false;
        } else if (!rel.equals(other.rel))
           return false;
        return true;
     }
  
     @Override
     public String toString() {
        return "[id=" + id + ", href=" + href + ", name=" + name + ", type=" + type + ", rel=" + rel + "]";
     }
  }