/**
* 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.aws.ec2.predicates;
import java.util.NoSuchElementException;
import javax.annotation.Resource;
import javax.inject.Singleton;
import org.jclouds.aws.ec2.AWSEC2Client;
import org.jclouds.aws.ec2.domain.PlacementGroup;
import org.jclouds.logging.Logger;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.inject.Inject;
/**
*
*
* @author Adrian Cole
*/
@Singleton
public class PlacementGroupDeleted implements Predicate<PlacementGroup> {
private final AWSEC2Client client;
@Resource
protected Logger logger = Logger.NULL;
@Inject
public PlacementGroupDeleted(AWSEC2Client client) {
this.client = client;
}
public boolean apply(PlacementGroup group) {
logger.trace("looking for state on group %s", group);
try {
group = refresh(group);
} catch (NoSuchElementException e) {
return true;
}
logger.trace("%s: looking for group state %s: currently: %s", group.getName(), PlacementGroup.State.DELETED,
group.getState());
return group.getState() == PlacementGroup.State.DELETED;
}
private PlacementGroup refresh(PlacementGroup group) {
return Iterables.getOnlyElement(client.getPlacementGroupServices().describePlacementGroupsInRegion(
group.getRegion(), group.getName()));
}
}