org.jclouds.abiquo.domain.DomainWithTasksWrapper.java Source code

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Here is the source code for org.jclouds.abiquo.domain.DomainWithTasksWrapper.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.abiquo.domain;

import java.util.Collections;
import java.util.List;

import org.jclouds.abiquo.AbiquoApi;
import org.jclouds.abiquo.domain.task.AsyncTask;
import org.jclouds.rest.ApiContext;

import com.abiquo.model.transport.SingleResourceTransportDto;
import com.abiquo.server.core.task.TaskDto;
import com.abiquo.server.core.task.TasksDto;
import com.google.common.collect.Lists;
import com.google.common.collect.Ordering;
import com.google.common.primitives.Longs;

/**
 * This class is used to decorate transport objects that are owners of some
 * {@link TaskDto}
 * 
 * @author Ignasi Barrera
 */
public abstract class DomainWithTasksWrapper<T extends SingleResourceTransportDto> extends DomainWrapper<T> {

    protected DomainWithTasksWrapper(final ApiContext<AbiquoApi> context, final T target) {
        super(context, target);
    }

    public Iterable<AsyncTask<?, ?>> listTasks() {
        TasksDto result = context.getApi().getTaskApi().listTasks(target);
        List<AsyncTask<?, ?>> tasks = Lists.newArrayList();
        for (TaskDto dto : result.getCollection()) {
            tasks.add(newTask(context, dto));
        }

        // Return the most recent task first
        Collections.sort(tasks, new Ordering<AsyncTask<?, ?>>() {
            @Override
            public int compare(final AsyncTask<?, ?> left, final AsyncTask<?, ?> right) {
                return Longs.compare(left.getTimestamp(), right.getTimestamp());
            }
        }.reverse());

        return tasks;
    }
}