| /** |
| * 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.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity; |
| |
| import java.util.Comparator; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.Priority; |
| import org.apache.hadoop.yarn.api.records.Resource; |
| import org.apache.hadoop.yarn.server.resourcemanager.RMContext; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivitiesManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerHealth; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode; |
| import org.apache.hadoop.yarn.server.resourcemanager.security.RMContainerTokenSecretManager; |
| import org.apache.hadoop.yarn.util.resource.ResourceCalculator; |
| |
| /** |
| * Read-only interface to {@link CapacityScheduler} context. |
| */ |
| public interface CapacitySchedulerContext { |
| CapacitySchedulerConfiguration getConfiguration(); |
| |
| Resource getMinimumResourceCapability(); |
| |
| Resource getMaximumResourceCapability(); |
| |
| Resource getMaximumResourceCapability(String queueName); |
| |
| RMContainerTokenSecretManager getContainerTokenSecretManager(); |
| |
| int getNumClusterNodes(); |
| |
| RMContext getRMContext(); |
| |
| Resource getClusterResource(); |
| |
| /** |
| * Get the yarn configuration. |
| */ |
| Configuration getConf(); |
| |
| ResourceCalculator getResourceCalculator(); |
| |
| FiCaSchedulerNode getNode(NodeId nodeId); |
| |
| FiCaSchedulerApp getApplicationAttempt(ApplicationAttemptId attemptId); |
| |
| PreemptionManager getPreemptionManager(); |
| |
| SchedulerHealth getSchedulerHealth(); |
| |
| long getLastNodeUpdateTime(); |
| |
| /** |
| * @return QueueCapacities root queue of the Capacity Scheduler Queue, root |
| * queue used capacities for different labels are same as that of the |
| * cluster. |
| */ |
| ResourceUsage getClusterResourceUsage(); |
| |
| ActivitiesManager getActivitiesManager(); |
| |
| CapacitySchedulerQueueManager getCapacitySchedulerQueueManager(); |
| |
| /** |
| * |
| * @return Max Cluster level App priority. |
| */ |
| Priority getMaxClusterLevelAppPriority(); |
| |
| /** |
| * Returns if configuration is mutable. |
| * @return if configuration is mutable |
| */ |
| boolean isConfigurationMutable(); |
| } |