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 /*
  * 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.
 */
package org.jclouds.cloudstack.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.transform;
import static com.google.common.collect.Sets.filter;

Author(s):
Adrian Cole
public class OrphanedGroupsByZoneId implements Function<Set<? extends NodeMetadata>, Multimap<StringString>> {
   @Inject
   protected OrphanedGroupsByZoneId(ComputeService computeService) {
      this(new AllNodesInGroupTerminated(checkNotNull(computeService"computeService")));
   }
   OrphanedGroupsByZoneId(Predicate<ZoneAndNameallNodesInGroupTerminated) {
      this. = checkNotNull(allNodesInGroupTerminated"allNodesInGroupTerminated");
   }
   public Multimap<StringStringapply(Set<? extends NodeMetadatadeadNodes) {
      Iterable<? extends NodeMetadatanodesWithGroup = filter(deadNodes, NodePredicates.hasGroup());
      Set<ZoneAndNamezoneAndGroupNames = ImmutableSet.copyOf(filter(transform(nodesWithGroup,
               new Function<NodeMetadataZoneAndName>() {
                  @Override
                  public ZoneAndName apply(NodeMetadata input) {
                     String zoneId = input.getLocation().getScope() == . ? input.getLocation()
                              .getParent().getId() : input.getLocation().getId();
                     return ZoneAndName.fromZoneAndName(zoneIdinput.getGroup());
                  }
               }), ));
      Multimap<StringStringzoneToZoneAndGroupNames = Multimaps.transformValues(Multimaps.index(zoneAndGroupNames,
               .), .);
      return zoneToZoneAndGroupNames;
   }
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