| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.cloudloadbalancers.domain; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkArgument; |
| 22 | import static com.google.common.base.Preconditions.checkNotNull; |
| 23 | |
| 24 | import java.util.Date; |
| 25 | import java.util.Set; |
| 26 | |
| 27 | import org.jclouds.cloudloadbalancers.domain.internal.BaseLoadBalancer; |
| 28 | |
| 29 | import com.google.common.collect.ImmutableSet; |
| 30 | |
| 31 | /** |
| 32 | * |
| 33 | * @author Adrian Cole |
| 34 | * @see <a href= |
| 35 | * "http://docs.rackspacecloud.com/loadbalancers/api/v1.0/clb-devguide/content/ch04s01s02.html" |
| 36 | * /> |
| 37 | */ |
| 38 | public class LoadBalancer extends BaseLoadBalancer<Node, LoadBalancer> { |
| 39 | |
| 40 | @SuppressWarnings("unchecked") |
| 41 | public static Builder builder() { |
| 42 | return new Builder(); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * {@inheritDoc} |
| 47 | */ |
| 48 | @Override |
| 49 | public Builder toBuilder() { |
| 50 | return new Builder().from(this); |
| 51 | } |
| 52 | |
| 53 | public static class Builder extends BaseLoadBalancer.Builder<Node, LoadBalancer> { |
| 54 | private String region; |
| 55 | private int id = -1; |
| 56 | private Status status; |
| 57 | private Set<VirtualIP> virtualIPs = ImmutableSet.<VirtualIP> of(); |
| 58 | private String sessionPersistenceType; |
| 59 | private String clusterName; |
| 60 | private Date created; |
| 61 | private Date updated; |
| 62 | private boolean connectionLoggingEnabled; |
| 63 | |
| 64 | public Builder region(String region) { |
| 65 | this.region = region; |
| 66 | return this; |
| 67 | } |
| 68 | |
| 69 | public Builder id(int id) { |
| 70 | this.id = id; |
| 71 | return this; |
| 72 | } |
| 73 | |
| 74 | public Builder status(Status status) { |
| 75 | this.status = status; |
| 76 | return this; |
| 77 | } |
| 78 | |
| 79 | public Builder virtualIPs(Iterable<VirtualIP> virtualIPs) { |
| 80 | this.virtualIPs = ImmutableSet.<VirtualIP> copyOf(checkNotNull(virtualIPs, "virtualIPs")); |
| 81 | return this; |
| 82 | } |
| 83 | |
| 84 | public Builder sessionPersistenceType(String sessionPersistenceType) { |
| 85 | this.sessionPersistenceType = sessionPersistenceType; |
| 86 | return this; |
| 87 | } |
| 88 | |
| 89 | public Builder clusterName(String clusterName) { |
| 90 | this.clusterName = clusterName; |
| 91 | return this; |
| 92 | } |
| 93 | |
| 94 | public Builder created(Date created) { |
| 95 | this.created = created; |
| 96 | return this; |
| 97 | } |
| 98 | |
| 99 | public Builder updated(Date updated) { |
| 100 | this.updated = updated; |
| 101 | return this; |
| 102 | } |
| 103 | |
| 104 | public Builder connectionLoggingEnabled(boolean connectionLoggingEnabled) { |
| 105 | this.connectionLoggingEnabled = connectionLoggingEnabled; |
| 106 | return this; |
| 107 | } |
| 108 | |
| 109 | public LoadBalancer build() { |
| 110 | return new LoadBalancer(region, id, name, protocol, port, algorithm, status, virtualIPs, nodes, |
| 111 | sessionPersistenceType, clusterName, created, updated, connectionLoggingEnabled); |
| 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public Builder nodes(Iterable<Node> nodes) { |
| 116 | this.nodes = ImmutableSet.<Node> copyOf(checkNotNull(nodes, "nodes")); |
| 117 | return this; |
| 118 | } |
| 119 | |
| 120 | @Override |
| 121 | public Builder node(Node nodes) { |
| 122 | this.nodes.add(checkNotNull(nodes, "nodes")); |
| 123 | return this; |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public Builder algorithm(String algorithm) { |
| 128 | return Builder.class.cast(super.algorithm(algorithm)); |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public Builder from(LoadBalancer in) { |
| 133 | return Builder.class.cast(super.from(in)).id(in.getId()).status(in.getStatus()).virtualIPs(in.getVirtualIPs()) |
| 134 | .clusterName(in.getClusterName()).created(in.getCreated()).updated(in.getUpdated()) |
| 135 | .connectionLoggingEnabled(in.isConnectionLoggingEnabled()); |
| 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public Builder name(String name) { |
| 140 | return Builder.class.cast(super.name(name)); |
| 141 | } |
| 142 | |
| 143 | @Override |
| 144 | public Builder port(Integer port) { |
| 145 | return Builder.class.cast(super.port(port)); |
| 146 | } |
| 147 | |
| 148 | @Override |
| 149 | public Builder protocol(String protocol) { |
| 150 | return Builder.class.cast(super.protocol(protocol)); |
| 151 | } |
| 152 | |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * All load balancers also have a status attribute to signify the current configuration status of |
| 157 | * the device. This status is immutable by the caller and is updated automatically based on state |
| 158 | * changes within the service. When a load balancer is first created, it will be placed into a |
| 159 | * BUILD status while the configuration is being generated and applied based on the request. Once |
| 160 | * the configuration is applied and finalized, it will be in an ACTIVE status. In the event of a |
| 161 | * configuration change or update, the status of the load balancer will change to PENDING_UPDATE |
| 162 | * to signify configuration changes are in progress but have not yet been finalized. Load |
| 163 | * balancers in a SUSPENDED status are configured to reject traffic and will not forward requests |
| 164 | * to back-end nodess. |
| 165 | */ |
| 166 | public static enum Status { |
| 167 | /** |
| 168 | * Load balancer is being provisioned for the first time and configuration is being applied to |
| 169 | * bring the service online. The service will not yet be ready to serve incoming requests. |
| 170 | */ |
| 171 | BUILD, |
| 172 | /** |
| 173 | * Load balancer is configured properly and ready to serve traffic to incoming requests via |
| 174 | * the configured virtual IPs. |
| 175 | */ |
| 176 | ACTIVE, |
| 177 | /** |
| 178 | * Load balancer is online but configuration changes are being applied to update the service |
| 179 | * based on a previous request. |
| 180 | */ |
| 181 | PENDING_UPDATE, |
| 182 | /** |
| 183 | * Load balancer has been taken offline and disabled; contact Support. |
| 184 | */ |
| 185 | SUSPENDED, |
| 186 | /** |
| 187 | * Load balancer is online but configuration changes are being applied to begin deletion of |
| 188 | * the service based on a previous request. |
| 189 | */ |
| 190 | PENDING_DELETE, |
| 191 | /** |
| 192 | * Load balancers in DELETED status can be displayed for at least 90 days after deletion. |
| 193 | */ |
| 194 | DELETED, |
| 195 | /** |
| 196 | * The system encountered an error when attempting to configure the load balancer; contact |
| 197 | * Support. |
| 198 | */ |
| 199 | ERROR, UNRECOGNIZED; |
| 200 | |
| 201 | public static Status fromValue(String status) { |
| 202 | try { |
| 203 | return valueOf(checkNotNull(status, "status")); |
| 204 | } catch (IllegalArgumentException e) { |
| 205 | return UNRECOGNIZED; |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | } |
| 210 | |
| 211 | private final String region; |
| 212 | private final int id; |
| 213 | private final Status status; |
| 214 | private final Set<VirtualIP> virtualIPs; |
| 215 | private final String sessionPersistenceType; |
| 216 | private final String clusterName; |
| 217 | private final Date created; |
| 218 | private final Date updated; |
| 219 | private final boolean connectionLoggingEnabled; |
| 220 | |
| 221 | public LoadBalancer(String region, int id, String name, String protocol, Integer port, String algorithm, Status status, |
| 222 | Iterable<VirtualIP> virtualIPs, Iterable<Node> nodes, String sessionPersistenceType, String clusterName, |
| 223 | Date created, Date updated, boolean connectionLoggingEnabled) { |
| 224 | super(name, protocol, port, algorithm, nodes); |
| 225 | this.region = checkNotNull(region, "region"); |
| 226 | checkArgument(id != -1, "id must be specified"); |
| 227 | this.id = id; |
| 228 | this.status = checkNotNull(status, "status"); |
| 229 | this.virtualIPs = ImmutableSet.copyOf(checkNotNull(virtualIPs, "virtualIPs")); |
| 230 | this.sessionPersistenceType = sessionPersistenceType; |
| 231 | this.clusterName = clusterName; |
| 232 | this.created = checkNotNull(created, "created"); |
| 233 | this.updated = checkNotNull(updated, "updated"); |
| 234 | this.connectionLoggingEnabled = connectionLoggingEnabled; |
| 235 | } |
| 236 | |
| 237 | public String getRegion() { |
| 238 | return region; |
| 239 | } |
| 240 | |
| 241 | public int getId() { |
| 242 | return id; |
| 243 | } |
| 244 | |
| 245 | public Status getStatus() { |
| 246 | return status; |
| 247 | } |
| 248 | |
| 249 | public Set<VirtualIP> getVirtualIPs() { |
| 250 | return virtualIPs; |
| 251 | } |
| 252 | |
| 253 | public String getClusterName() { |
| 254 | return clusterName; |
| 255 | } |
| 256 | |
| 257 | public String getSessionPersistenceType() { |
| 258 | return sessionPersistenceType; |
| 259 | } |
| 260 | |
| 261 | public Date getCreated() { |
| 262 | return created; |
| 263 | } |
| 264 | |
| 265 | public Date getUpdated() { |
| 266 | return updated; |
| 267 | } |
| 268 | |
| 269 | public boolean isConnectionLoggingEnabled() { |
| 270 | return connectionLoggingEnabled; |
| 271 | } |
| 272 | |
| 273 | @Override |
| 274 | public String toString() { |
| 275 | return String |
| 276 | .format( |
| 277 | "[region=%s, id=%s, name=%s, protocol=%s, port=%s, algorithm=%s, status=%s, virtualIPs=%s, nodes=%s, sessionPersistenceType=%s, created=%s, updated=%s, clusterName=%s, connectionLoggingEnabled=%s]", |
| 278 | region, id, name, protocol, port, algorithm, status, virtualIPs, nodes, sessionPersistenceType, |
| 279 | created, updated, clusterName, connectionLoggingEnabled); |
| 280 | } |
| 281 | |
| 282 | @Override |
| 283 | public int hashCode() { |
| 284 | final int prime = 31; |
| 285 | int result = super.hashCode(); |
| 286 | result = prime * result + id; |
| 287 | result = prime * result + ((region == null) ? 0 : region.hashCode()); |
| 288 | return result; |
| 289 | } |
| 290 | |
| 291 | @Override |
| 292 | public boolean equals(Object obj) { |
| 293 | if (this == obj) |
| 294 | return true; |
| 295 | if (!super.equals(obj)) |
| 296 | return false; |
| 297 | if (getClass() != obj.getClass()) |
| 298 | return false; |
| 299 | LoadBalancer other = (LoadBalancer) obj; |
| 300 | if (id != other.id) |
| 301 | return false; |
| 302 | if (region == null) { |
| 303 | if (other.region != null) |
| 304 | return false; |
| 305 | } else if (!region.equals(other.region)) |
| 306 | return false; |
| 307 | return true; |
| 308 | } |
| 309 | |
| 310 | } |