/*
* 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.apache.brooklyn.location.jclouds;
import org.jclouds.compute.domain.ComputeMetadata;
import org.jclouds.domain.Location;
import com.google.common.base.Predicate;
public class JcloudsPredicates {
public static Predicate<ComputeMetadata> nodeInLocation(String regionId, boolean matchNullLocations) {
return new NodeInLocation(regionId, matchNullLocations);
}
/**
* @deprecated since 0.9.0; direct access strongly discouraged; will be made protected in future release;
* use {@link JcloudsPredicates#nodeInLocation(String, boolean)}
*/
public static class NodeInLocation implements Predicate<ComputeMetadata> {
private final String regionId;
private final boolean matchNullLocations;
public NodeInLocation(String regionId, boolean matchNullLocations) {
this.regionId = regionId;
this.matchNullLocations = matchNullLocations;
}
@Override
public boolean apply(ComputeMetadata input) {
boolean exclude;
Location nodeLocation = input.getLocation();
if (nodeLocation==null) return matchNullLocations;
exclude = true;
while (nodeLocation!=null && exclude) {
if (nodeLocation.getId().equals(regionId)) {
// matching location info found
exclude = false;
}
nodeLocation = nodeLocation.getParent();
}
return !exclude;
}
}
}