/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
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package org.jclouds.abiquo.compute.strategy.internal;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.Iterables.filter;
import static org.jclouds.abiquo.domain.DomainWrapper.wrap;
import static org.jclouds.abiquo.predicates.VirtualDatacenterPredicates.compatibleWithTemplateOrConversions;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.abiquo.AbiquoApi;
import org.jclouds.abiquo.compute.strategy.FindCompatibleVirtualDatacenters;
import org.jclouds.abiquo.domain.cloud.VirtualDatacenter;
import org.jclouds.abiquo.domain.cloud.VirtualMachineTemplate;
import org.jclouds.abiquo.domain.infrastructure.Datacenter;
import org.jclouds.abiquo.features.services.CloudService;
import org.jclouds.abiquo.predicates.VirtualDatacenterPredicates;
import org.jclouds.abiquo.reference.rest.ParentLinkName;
import org.jclouds.rest.ApiContext;
import com.abiquo.server.core.infrastructure.DatacenterDto;
/**
* Default implementation for the {@link FindCompatibleVirtualDatacenters}
* strategy.
* <p>
* This strategy assumes that the datacenter will have different hypervisor
* technologies, and images will have conversions to each of them.
*
* @author Ignasi Barrera
*/
@Singleton
public class FindCompatibleVirtualDatacentersForImageAndConversions implements FindCompatibleVirtualDatacenters {
private final ApiContext<AbiquoApi> context;
private final CloudService cloudService;
@Inject
public FindCompatibleVirtualDatacentersForImageAndConversions(final ApiContext<AbiquoApi> context,
final CloudService cloudService) {
this.context = checkNotNull(context, "context");
this.cloudService = checkNotNull(cloudService, "cloudService");
}
@Override
public Iterable<VirtualDatacenter> execute(final VirtualMachineTemplate template) {
// Build the transport object with the available information to avoid
// making an unnecessary call to the target API (we only need the id of
// the datacenter, and it is present in the link).
DatacenterDto datacenterDto = new DatacenterDto();
datacenterDto.setId(template.unwrap().getIdFromLink(ParentLinkName.DATACENTER_REPOSITORY));
Datacenter datacenter = wrap(context, Datacenter.class, datacenterDto);
Iterable<VirtualDatacenter> vdcs = filter(cloudService.listVirtualDatacenters(),
VirtualDatacenterPredicates.datacenter(datacenter));
return filter(vdcs, compatibleWithTemplateOrConversions(template));
}
}