/*
* 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.compute.domain.internal;
import static com.google.common.base.Objects.equal;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.ComparisonChain.start;
import static com.google.common.collect.Ordering.natural;
import java.net.URI;
import java.util.Map;
import java.util.Set;
import org.jclouds.compute.domain.ComputeMetadata;
import org.jclouds.compute.domain.ComputeType;
import org.jclouds.domain.Location;
import org.jclouds.domain.ResourceMetadata;
import org.jclouds.domain.internal.ResourceMetadataImpl;
import com.google.common.base.Objects;
import com.google.common.base.Objects.ToStringHelper;
import com.google.common.collect.ImmutableSet;
/**
* @author Adrian Cole
* @author Ivan Meredith
*/
public class ComputeMetadataImpl extends ResourceMetadataImpl<ComputeType> implements ComputeMetadata {
private final String id;
private final ComputeType type;
protected final Set<String> tags;
public ComputeMetadataImpl(ComputeType type, String providerId, String name, String id, Location location, URI uri,
Map<String, String> userMetadata, Set<String> tags) {
super(providerId, name, location, uri, userMetadata);
this.id = checkNotNull(id, "id");
this.type = checkNotNull(type, "type");
this.tags = ImmutableSet.<String> copyOf(checkNotNull(tags, "tags"));
}
/**
* {@inheritDoc}
*/
@Override
public ComputeType getType() {
return type;
}
/**
* {@inheritDoc}
*/
@Override
public String getId() {
return id;
}
/**
* {@inheritDoc}
*/
@Override
public Set<String> getTags() {
return tags;
}
/**
* {@inheritDoc}
*/
@Override
public int compareTo(ResourceMetadata<ComputeType> that) {
if (that instanceof ComputeMetadata) {
ComputeMetadata thatMetadata = ComputeMetadata.class.cast(that);
return start()
.compare(this.getId(), thatMetadata.getId())
.compare(this.getType(), thatMetadata.getType())
.compare(this.getName(), that.getName(), natural().nullsLast())
.result();
} else {
return super.compareTo(that);
}
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
ComputeMetadataImpl that = ComputeMetadataImpl.class.cast(o);
return super.equals(that) && equal(this.id, that.id);
}
@Override
public int hashCode() {
return Objects.hashCode(super.hashCode(), id);
}
protected ToStringHelper computeToStringPrefix() {
return Objects.toStringHelper("").omitNullValues().add("id", getId()).add("providerId", getProviderId())
.add("uri", getUri()).add("name", getName()).add("uri", getUri()).add("location", getLocation());
}
protected ToStringHelper addComputeToStringSuffix(ToStringHelper helper) {
if (getTags().size() > 0)
helper.add("tags", getTags());
if (getUserMetadata().size() > 0)
helper.add("userMetadata", getUserMetadata());
return helper;
}
protected ToStringHelper string() {
return addComputeToStringSuffix(computeToStringPrefix());
}
}