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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.features;
20  
21  import java.util.Set;
22  import java.util.concurrent.TimeUnit;
23  
24  import org.jclouds.cloudloadbalancers.domain.LoadBalancer;
25  import org.jclouds.cloudloadbalancers.domain.LoadBalancerAttributes;
26  import org.jclouds.cloudloadbalancers.domain.LoadBalancerRequest;
27  import org.jclouds.concurrent.Timeout;
28  import org.jclouds.http.HttpResponseException;
29  
30  /**
31   * Provides synchronous access to CloudLoadBalancers LoadBalancer features.
32   * <p/>
33   * 
34   * @see LoadBalancerAsyncClient
35   * @see <a
36   *      href="http://docs.rackspacecloud.com/loadbalancers/api/v1.0/clb-devguide/content/ch04s01.html"
37   *      />
38   * @author Adrian Cole
39   */
40  @Timeout(duration = 60, timeUnit = TimeUnit.SECONDS)
41  public interface LoadBalancerClient {
42     /**
43      * Create a new load balancer with the configuration defined by the request.
44      * 
45      * <p/>
46      * This operation asynchronously provisions a new load balancer based on the configuration
47      * defined in the request object. Once the request is validated and progress has started on the
48      * provisioning process, a response object will be returned.
49      * 
50      * 
51      * @param lb
52      *           configuration to create
53      * @return The object will contain a unique identifier and status of the request. Using the
54      *         identifier, the caller can check on the progress of the operation by performing a
55      *         {@link LoadBalancerClient#getLoadBalancer}.
56      * @throws HttpResponseException
57      *            If the corresponding request cannot be fulfilled due to insufficient or invalid
58      *            data
59      * 
60      */
61     LoadBalancer createLoadBalancer(LoadBalancerRequest lb);
62  
63     /**
64      * 
65      * Update the properties of a load balancer.
66      * 
67      * <p/>
68      * This operation asynchronously updates the attributes of the specified load balancer. Upon
69      * successful validation of the request, the service will return a 202 (Accepted) response code.
70      * A caller can poll the load balancer with its ID to wait for the changes to be applied and the
71      * load balancer to return to an ACTIVE status.
72      * 
73      * @param id
74      *           id of the loadbalancer to change
75      * @param attrs
76      *           what to change
77      * @return The object will contain a unique identifier and status of the request. Using the
78      *         identifier, the caller can check on the progress of the operation by performing a
79      *         {@link LoadBalancerClient#getLoadBalancer}.
80      * @see LoadBalancerAttributes#fromLoadBalancer
81      */
82     void updateLoadBalancerAttributes(int id, LoadBalancerAttributes attrs);
83  
84     /**
85      * 
86      * @return all load balancers configured for the account, or empty set if none available
87      */
88     Set<LoadBalancer> listLoadBalancers();
89  
90     /**
91      * 
92      * 
93      * @param id
94      *           id of the loadbalancer to retrieve
95      * @return details of the specified load balancer, or null if not found
96      */
97     LoadBalancer getLoadBalancer(int id);
98  
99     /**
100     * Remove a load balancer from the account.
101     * <p/>
102     * The remove load balancer function removes the specified load balancer and its associated
103     * configuration from the account. Any and all configuration data is immediately purged and is
104     * not recoverable.
105     * 
106     * @param id
107     *           to remove
108     */
109    void removeLoadBalancer(int id);
110 }