| /** |
| * 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.rackspace.cloudloadbalancers.predicates; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import javax.annotation.Resource; |
| import javax.inject.Singleton; |
| |
| import org.jclouds.logging.Logger; |
| import org.jclouds.rackspace.cloudloadbalancers.CloudLoadBalancersApi; |
| import org.jclouds.rackspace.cloudloadbalancers.domain.LoadBalancer; |
| import org.jclouds.rackspace.cloudloadbalancers.domain.LoadBalancer.Status; |
| |
| import com.google.common.base.Predicate; |
| import com.google.inject.Inject; |
| |
| /** |
| * |
| * Tests to see if a loadBalancer is running |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class LoadBalancerActive implements Predicate<LoadBalancer> { |
| |
| private final CloudLoadBalancersApi client; |
| |
| @Resource |
| protected Logger logger = Logger.NULL; |
| |
| @Inject |
| public LoadBalancerActive(CloudLoadBalancersApi client) { |
| this.client = client; |
| } |
| |
| public boolean apply(LoadBalancer loadBalancer) { |
| logger.trace("looking for status on loadBalancer %s", checkNotNull(loadBalancer, "loadBalancer")); |
| loadBalancer = refresh(loadBalancer); |
| if (loadBalancer == null) |
| return false; |
| logger.trace("%s: looking for loadBalancer status %s: currently: %s", loadBalancer.getId(), Status.ACTIVE, |
| loadBalancer.getStatus()); |
| if (loadBalancer.getStatus() == Status.ERROR) |
| throw new IllegalStateException("loadBalancer in error status: " + loadBalancer); |
| return loadBalancer.getStatus() == Status.ACTIVE; |
| } |
| |
| private LoadBalancer refresh(LoadBalancer loadBalancer) { |
| return client.getLoadBalancerApiForZone(loadBalancer.getRegion()).get(loadBalancer.getId()); |
| } |
| } |