org.jclouds.byon.internal.BYONComputeServiceAdapter.java Source code

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Here is the source code for org.jclouds.byon.internal.BYONComputeServiceAdapter.java

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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.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();
    }
}