SystemState.java

/*
 * Copyright (C) 2012 Google Inc.
 *
 * Licensed 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.ros.master.client;

import java.util.Collection;

/**
 * The state of the ROS graph as understood by the master.
 *
 * @author Keith M. Hughes
 */
public class SystemState {

  /**
   * All topics known.
   */
  private final Collection<TopicSystemState> topics;

  public SystemState(Collection<TopicSystemState> topics) {
    this.topics = topics;
  }

  /**
   * Get all topics in the system state.
   *
   * @return a collection of topics.
   */
  public Collection<TopicSystemState> getTopics() {
    return topics;
  }
}