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The list queues methods for the QueueApi.
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Everett Toews
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Nov 22, 2013
1 parent
4128671
commit 2e4c66675b0328f4fa9f528bdaf3c031deb6d0e8
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| /* | ||
| * 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.openstack.marconi.v1.domain; | ||
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|
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| import com.google.common.base.Objects; | ||
| import com.google.common.base.Optional; | ||
| import org.jclouds.javax.annotation.Nullable; | ||
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| import java.util.Map; | ||
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| import static com.google.common.base.Preconditions.checkNotNull; | ||
|
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| /** | ||
| * A queue. | ||
| * | ||
| * @author Everett Toews | ||
| */ | ||
| public class Queue { | ||
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| private final String name; | ||
| private final Map<String, String> metadata; | ||
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| protected Queue(String name, @Nullable Map<String, String> metadata) { | ||
| this.name = checkNotNull(name, "id required"); | ||
| this.metadata = metadata; | ||
| } | ||
|
|
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| /** | ||
| * @return The name of this queue. | ||
| */ | ||
| public String getName() { | ||
| return name; | ||
| } | ||
|
|
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| /** | ||
| * @return The key/value metadata for this queue. | ||
| */ | ||
| public Optional<Map<String, String>> getMetadata() { | ||
| return Optional.fromNullable(metadata); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hashCode(name); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (this == obj) return true; | ||
| if (obj == null || getClass() != obj.getClass()) return false; | ||
| Queue that = Queue.class.cast(obj); | ||
| return Objects.equal(this.name, that.name); | ||
| } | ||
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| protected Objects.ToStringHelper string() { | ||
| return Objects.toStringHelper(this).omitNullValues() | ||
| .add("name", name).add("metadata", metadata); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return string().toString(); | ||
| } | ||
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| public static Builder builder() { | ||
| return new ConcreteBuilder(); | ||
| } | ||
|
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| public Builder toBuilder() { | ||
| return new ConcreteBuilder().fromMessage(this); | ||
| } | ||
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| public static abstract class Builder { | ||
| protected abstract Builder self(); | ||
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| protected String name; | ||
| protected Map<String, String> metadata; | ||
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| /** | ||
| * @param name The name of this queue. | ||
| */ | ||
| public Builder name(String name) { | ||
| this.name = name; | ||
| return self(); | ||
| } | ||
|
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| /** | ||
| * @param metadata The key/value metadata for this queue. | ||
| */ | ||
| public Builder metadata(Map<String, String> metadata) { | ||
| this.metadata = metadata; | ||
| return self(); | ||
| } | ||
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| public Queue build() { | ||
| return new Queue(name, metadata); | ||
| } | ||
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| public Builder fromMessage(Queue in) { | ||
| return this.name(in.getName()).metadata(in.getMetadata().orNull()); | ||
| } | ||
| } | ||
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| private static class ConcreteBuilder extends Builder { | ||
| @Override | ||
| protected ConcreteBuilder self() { | ||
| return this; | ||
| } | ||
| } | ||
|
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| /* | ||
| * 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.openstack.marconi.v1.domain; | ||
|
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| import com.google.common.base.Function; | ||
| import com.google.common.base.Optional; | ||
| import com.google.common.base.Predicate; | ||
| import com.google.common.collect.ImmutableSet; | ||
| import com.google.common.collect.Iterables; | ||
| import com.google.common.collect.Multimap; | ||
| import org.jclouds.openstack.marconi.v1.options.ListQueuesOptions; | ||
| import org.jclouds.openstack.marconi.v1.options.StreamOptions; | ||
| import org.jclouds.openstack.v2_0.domain.Link; | ||
| import org.jclouds.openstack.v2_0.domain.PaginatedCollection; | ||
|
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| import java.beans.ConstructorProperties; | ||
|
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| import static org.jclouds.http.utils.Queries.queryParser; | ||
|
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| public class Queues extends PaginatedCollection<Queue> { | ||
| public static final Queues EMPTY = new Queues(ImmutableSet.<Queue> of(), ImmutableSet.<Link> of()); | ||
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| @ConstructorProperties({ "queues", "links" }) | ||
| protected Queues(Iterable<Queue> queues, Iterable<Link> links) { | ||
| super(queues, links); | ||
| } | ||
|
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| /** | ||
| * Only call this method if {@code nextMarker().isPresent()} returns true. | ||
| * | ||
| * @return The options necessary to get the next page of queues. | ||
| */ | ||
| public ListQueuesOptions nextListQueuesOptions() { | ||
| return ListQueuesOptions.class.cast(nextMarker().get()); | ||
| } | ||
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| @Override | ||
| public Optional<Object> nextMarker() { | ||
| Optional<Link> nextMarkerLink = Iterables.tryFind(getLinks(), IS_NEXT_LINK); | ||
| return nextMarkerLink.transform(TO_LIST_OPTIONS); | ||
| } | ||
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| private static final Predicate<Link> IS_NEXT_LINK = new Predicate<Link>() { | ||
| @Override | ||
| public boolean apply(Link link) { | ||
| return Link.Relation.NEXT == link.getRelation(); | ||
| } | ||
| }; | ||
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| private static final Function<Link, Object> TO_LIST_OPTIONS = new Function<Link, Object>() { | ||
| @Override | ||
| public Object apply(Link link) { | ||
| Multimap<String, String> queryParams = queryParser().apply(link.getHref().getRawQuery()); | ||
| ListQueuesOptions listQueuesOptions = ListQueuesOptions.Builder.queryParameters(queryParams); | ||
|
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| return listQueuesOptions; | ||
| } | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * 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.openstack.marconi.v1.functions; | ||
|
|
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| import com.google.common.base.Function; | ||
| import com.google.common.collect.ImmutableSet; | ||
| import org.jclouds.http.HttpResponse; | ||
| import org.jclouds.http.functions.ParseJson; | ||
| import org.jclouds.openstack.marconi.v1.domain.Queue; | ||
| import org.jclouds.openstack.marconi.v1.domain.Queues; | ||
| import org.jclouds.openstack.v2_0.domain.Link; | ||
| import org.jclouds.openstack.v2_0.domain.PaginatedCollection; | ||
|
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| import javax.inject.Inject; | ||
| import java.beans.ConstructorProperties; | ||
|
|
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| import static com.google.common.base.Preconditions.checkNotNull; | ||
|
|
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| /** | ||
| * @author Everett Toews | ||
| */ | ||
| public class ParseQueues implements Function<HttpResponse, PaginatedCollection<Queue>> { | ||
|
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| private final ParseJson<Queues> json; | ||
|
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| @Inject | ||
| ParseQueues(ParseJson<Queues> json) { | ||
| this.json = checkNotNull(json, "json"); | ||
| } | ||
|
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| @Override | ||
| public PaginatedCollection<Queue> apply(HttpResponse response) { | ||
| // An empty message stream has a 204 response code | ||
| if (response.getStatusCode() == 204) { | ||
| return Queues.EMPTY; | ||
| } | ||
|
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| return json.apply(response); | ||
| } | ||
| } |
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