org.jclouds.vcloud.domain.internal.TasksListImpl.java Source code

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Here is the source code for org.jclouds.vcloud.domain.internal.TasksListImpl.java

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/**
 *
 * Copyright (C) 2009 Cloud Conscious, LLC. <info@cloudconscious.com>
 *
 * ====================================================================
 * 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.vcloud.domain.internal;

import java.net.URI;
import java.util.SortedSet;

import org.jclouds.vcloud.domain.Task;
import org.jclouds.vcloud.domain.TasksList;

import com.google.common.base.Function;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Multimaps;

/**
 * Locations of resources in vCloud
 * 
 * @author Adrian Cole
 * 
 */
public class TasksListImpl implements TasksList {

    private final SortedSet<Task> tasks;
    private final ListMultimap<URI, Task> tasksByResult;
    private final ListMultimap<URI, Task> tasksByOwner;

    private final URI location;
    /** The serialVersionUID */
    private static final long serialVersionUID = 8464716396538298809L;

    public TasksListImpl(URI location, SortedSet<Task> tasks) {
        this.location = location;
        this.tasks = tasks;
        this.tasksByResult = Multimaps.index(Iterables.filter(tasks, new Predicate<Task>() {

            public boolean apply(Task input) {
                return input.getResult() != null;
            }

        }), new Function<Task, URI>() {

            public URI apply(Task input) {

                return input.getResult().getLocation();
            }

        });
        this.tasksByOwner = Multimaps.index(tasks, new Function<Task, URI>() {

            public URI apply(Task in) {

                return in.getOwner().getLocation();
            }

        });
    }

    public SortedSet<Task> getTasks() {
        return tasks;
    }

    public URI getLocation() {
        return location;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((location == null) ? 0 : location.hashCode());
        result = prime * result + ((tasks == null) ? 0 : tasks.hashCode());
        result = prime * result + ((tasksByResult == null) ? 0 : tasksByResult.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        TasksListImpl other = (TasksListImpl) obj;
        if (location == null) {
            if (other.location != null)
                return false;
        } else if (!location.equals(other.location))
            return false;
        if (tasks == null) {
            if (other.tasks != null)
                return false;
        } else if (!tasks.equals(other.tasks))
            return false;
        if (tasksByResult == null) {
            if (other.tasksByResult != null)
                return false;
        } else if (!tasksByResult.equals(other.tasksByResult))
            return false;
        return true;
    }

    public ListMultimap<URI, Task> getTasksByResult() {
        return tasksByResult;
    }

    public ListMultimap<URI, Task> getTasksByOwner() {
        return tasksByOwner;
    }
}