/*
* 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.byon.internal;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Predicates.in;
import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Iterables.getOnlyElement;
import static com.google.common.collect.Iterables.transform;
import static com.google.common.collect.Maps.filterKeys;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.byon.Node;
import org.jclouds.byon.functions.NodeToNodeMetadata;
import org.jclouds.compute.JCloudsNativeComputeServiceAdapter;
import org.jclouds.compute.domain.Hardware;
import org.jclouds.compute.domain.Image;
import org.jclouds.compute.domain.NodeMetadata;
import org.jclouds.compute.domain.Template;
import org.jclouds.domain.Location;
import org.jclouds.domain.LocationBuilder;
import org.jclouds.domain.LocationScope;
import org.jclouds.location.suppliers.all.JustProvider;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.base.Supplier;
import com.google.common.cache.LoadingCache;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.ImmutableSet.Builder;
import com.google.common.collect.Maps;
import com.google.common.util.concurrent.UncheckedExecutionException;
/**
*
* @author Adrian Cole
*/
@Singleton
public class BYONComputeServiceAdapter implements JCloudsNativeComputeServiceAdapter {
private final Supplier<LoadingCache<String, Node>> nodes;
private final NodeToNodeMetadata converter;
private final JustProvider locationSupplier;
@Inject
public BYONComputeServiceAdapter(Supplier<LoadingCache<String, Node>> nodes, NodeToNodeMetadata converter,
JustProvider locationSupplier) {
this.nodes = checkNotNull(nodes, "nodes");
this.converter = checkNotNull(converter, "converter");
this.locationSupplier = checkNotNull(locationSupplier, "locationSupplier");
}
@Override
public NodeWithInitialCredentials createNodeWithGroupEncodedIntoName(String group, String name, Template template) {
throw new UnsupportedOperationException();
}
@Override
public Iterable<Hardware> listHardwareProfiles() {
return ImmutableSet.<Hardware> of();
}
@Override
public Iterable<Image> listImages() {
return ImmutableSet.<Image> of();
}
@Override
public Iterable<NodeMetadata> listNodes() {
return transform(nodes.get().asMap().values(), converter);
}
@Override
public Iterable<NodeMetadata> listNodesByIds(Iterable<String> ids) {
return transform(filterKeys(nodes.get().asMap(), in(ImmutableSet.copyOf(ids))).values(), converter);
}
@Override
public Iterable<Location> listLocations() {
Builder<Location> locations = ImmutableSet.builder();
Location provider = getOnlyElement(locationSupplier.get());
Set<String> zones = ImmutableSet.copyOf(filter(transform(nodes.get().asMap().values(),
new Function<Node, String>() {
@Override
public String apply(Node arg0) {
return arg0.getLocationId();
}
}), Predicates.notNull()));
if (zones.size() == 0)
return locations.add(provider).build();
else
for (String zone : zones) {
locations.add(new LocationBuilder().scope(LocationScope.ZONE).id(zone).description(zone).parent(provider)
.build());
}
return locations.build();
}
@Override
public NodeMetadata getNode(String id) {
Node node = null;
try {
node = nodes.get().getUnchecked(id);
} catch (UncheckedExecutionException e) {
}
return node != null ? converter.apply(node) : null;
}
@Override
public Image getImage(final String id) {
throw new UnsupportedOperationException();
}
@Override
public void destroyNode(final String id) {
throw new UnsupportedOperationException();
}
@Override
public void rebootNode(String id) {
throw new UnsupportedOperationException();
}
@Override
public void resumeNode(String id) {
throw new UnsupportedOperationException();
}
@Override
public void suspendNode(String id) {
throw new UnsupportedOperationException();
}
}