org.jclouds.vcloud.compute.functions.HardwareForVCloudExpressVApp Maven / Gradle / Ivy

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. 
 *
 * ====================================================================
 * Licensed 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.vcloud.compute.functions;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Iterables.find;
import static com.google.common.collect.Iterables.transform;
import static org.jclouds.vcloud.predicates.VCloudPredicates.resourceType;

import java.util.List;
import java.util.NoSuchElementException;

import javax.annotation.Resource;
import javax.inject.Inject;

import org.jclouds.compute.domain.Hardware;
import org.jclouds.compute.domain.Processor;
import org.jclouds.compute.domain.Volume;
import org.jclouds.compute.domain.internal.HardwareImpl;
import org.jclouds.compute.predicates.ImagePredicates;
import org.jclouds.domain.Location;
import org.jclouds.logging.Logger;
import org.jclouds.vcloud.domain.VCloudExpressVApp;
import org.jclouds.vcloud.domain.ovf.ResourceAllocation;
import org.jclouds.vcloud.domain.ovf.ResourceType;

import com.google.common.base.Function;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;

/**
 * @author Adrian Cole
 */
public class HardwareForVCloudExpressVApp implements Function {

   @Resource
   protected Logger logger = Logger.NULL;

   private final FindLocationForResource findLocationForResource;
   private final ResourceAllocationsToVolumes resourceAllocationsToVolumes;

   @Inject
   protected HardwareForVCloudExpressVApp(FindLocationForResource findLocationForResource,
            ResourceAllocationsToVolumes resourceAllocationsToVolumes) {
      this.findLocationForResource = checkNotNull(findLocationForResource, "findLocationForResource");
      this.resourceAllocationsToVolumes = checkNotNull(resourceAllocationsToVolumes, "resourceAllocationsToVolumes");
   }

   @Override
   public Hardware apply(VCloudExpressVApp from) {
      checkNotNull(from, "VApp");
      Location location = findLocationForResource.apply(checkNotNull(from, "from").getVDC());
      try {
         int ram = (int) find(from.getResourceAllocations(), resourceType(ResourceType.MEMORY)).getVirtualQuantity();

         List processors = Lists.newArrayList(transform(filter(from.getResourceAllocations(),
                  resourceType(ResourceType.PROCESSOR)), new Function() {

            @Override
            public Processor apply(ResourceAllocation arg0) {
               return new Processor(arg0.getVirtualQuantity(), 1);
            }

         }));
         Iterable volumes = resourceAllocationsToVolumes.apply(from.getResourceAllocations());
         return new HardwareImpl(from.getHref().toASCIIString(), from.getName(), from.getHref().toASCIIString(),
                  location, null, ImmutableMap. of(), processors, ram, volumes, ImagePredicates
                           .idEquals(from.getHref().toASCIIString()));
      } catch (NoSuchElementException e) {
         logger.debug("incomplete data to form vApp %s", from.getHref());
         return null;
      }
   }
}