| /** |
| * 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, Name 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.openstack.domain; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| |
| import org.jclouds.javax.annotation.Nullable; |
| |
| import com.google.common.base.Objects; |
| import com.google.common.base.Objects.ToStringHelper; |
| import com.google.common.collect.ImmutableSet; |
| |
| /** |
| * Resource found in a paginated collection |
| * |
| * @author AdrianCole |
| * @see <a href= |
| * "http://docs.openstack.org/api/openstack-compute/1.1/content/Paginated_Collections-d1e664.html" |
| * /> |
| */ |
| public class Resource implements Comparable<Resource> { |
| |
| public static Builder<?> builder() { |
| return new ConcreteBuilder(); |
| } |
| |
| public Builder<?> toBuilder() { |
| return new ConcreteBuilder().fromResource(this); |
| } |
| |
| public static abstract class Builder<T extends Builder<T>> { |
| protected abstract T self(); |
| |
| private String id; |
| private String name; |
| private Set<Link> links = ImmutableSet.of(); |
| |
| /** |
| * @see Resource#getId() |
| */ |
| public T id(String id) { |
| this.id = id; |
| return self(); |
| } |
| |
| /** |
| * @see Resource#getName() |
| */ |
| public T name(String name) { |
| this.name = name; |
| return self(); |
| } |
| |
| /** |
| * @see Resource#getLinks() |
| */ |
| public T links(Link... links) { |
| return links(ImmutableSet.copyOf(checkNotNull(links, "links"))); |
| } |
| |
| /** |
| * @see Resource#getLinks() |
| */ |
| public T links(Set<Link> links) { |
| this.links = links; |
| return self(); |
| } |
| |
| public Resource build() { |
| return new Resource(this); |
| } |
| |
| public T fromResource(Resource in) { |
| return this |
| .id(in.getId()) |
| .name(in.getName()) |
| .links(in.getLinks()); |
| } |
| } |
| |
| private static class ConcreteBuilder extends Builder<ConcreteBuilder> { |
| @Override |
| protected ConcreteBuilder self() { |
| return this; |
| } |
| } |
| |
| private String id; |
| private String name; |
| private Set<Link> links = ImmutableSet.of(); |
| |
| protected Resource(String id, @Nullable String name, @Nullable Set<Link> links) { |
| this.id = checkNotNull(id); |
| this.name = name; |
| this.links = links == null ? ImmutableSet.<Link>of() : ImmutableSet.copyOf(links); |
| } |
| |
| @Deprecated |
| protected Resource(Builder<?> builder) { |
| this.id = checkNotNull(builder.id, "id"); |
| this.name = builder.name; |
| this.links = ImmutableSet.copyOf(checkNotNull(builder.links, "links")); |
| } |
| |
| /** |
| * When providing an ID, it is assumed that the resource exists in the current OpenStack |
| * deployment |
| * |
| * @return the id of the resource in the current OpenStack deployment |
| */ |
| public String getId() { |
| return id; |
| } |
| |
| /** |
| * @return the name of the resource |
| */ |
| @Nullable |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * @return the links of the id address allocated to the new server |
| */ |
| public Set<Link> getLinks() { |
| return Collections.unmodifiableSet(this.links); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(id, name, links); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) return true; |
| if (obj == null || getClass() != obj.getClass()) return false; |
| Resource that = Resource.class.cast(obj); |
| return Objects.equal(this.getId(), that.getId()) |
| && Objects.equal(this.name, that.name) |
| && Objects.equal(this.links, that.links); |
| } |
| |
| protected ToStringHelper string() { |
| return Objects.toStringHelper("") |
| .add("id", getId()) |
| .add("name", name) |
| .add("links", links); |
| } |
| |
| @Override |
| public String toString() { |
| return string().toString(); |
| } |
| @Override |
| public int compareTo(Resource that) { |
| if (that == null) |
| return 1; |
| if (this == that) |
| return 0; |
| return this.getId().compareTo(that.getId()); |
| } |
| |
| } |