content: /**
   * 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.apache.aurora.scheduler.state;
  
  import com.google.common.collect.Multimap;
  
  import org.apache.aurora.scheduler.preemptor.PreemptionVictim;
  
  /**
   * The current state of scheduled tasks within the cluster.
   */
  public interface ClusterState {
  
    /**
     * Gets a snapshot of the active tasks in the cluster, indexed by the slave IDs they are
     * assigned to.
     *
     * @return Active tasks and their associated slave IDs.
     */
    Multimap<String, PreemptionVictim> getSlavesToActiveTasks();
  }
  