| /** |
| * 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.tez.dag.app.dag; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.yarn.api.records.LocalResource; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.tez.common.counters.TezCounters; |
| import org.apache.tez.dag.api.TezException; |
| import org.apache.tez.dag.api.client.DAGStatusBuilder; |
| import org.apache.tez.dag.api.client.StatusGetOpts; |
| import org.apache.tez.dag.api.client.VertexStatusBuilder; |
| import org.apache.tez.dag.api.records.DAGProtos.DAGPlan; |
| import org.apache.tez.common.security.ACLManager; |
| import org.apache.tez.dag.records.TezDAGID; |
| import org.apache.tez.dag.records.TezVertexID; |
| import org.apache.tez.serviceplugins.api.DagInfo; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Main interface to interact with the job. |
| */ |
| public interface DAG extends DagInfo { |
| |
| TezDAGID getID(); |
| Map<String, LocalResource> getLocalResources(); |
| String getName(); |
| DAGState getState(); |
| DAGReport getReport(); |
| |
| /** |
| * Get all the counters of this DAG. This includes job-counters aggregated |
| * together with the counters of each task. This creates a clone of the |
| * Counters, so use this judiciously. |
| * @return job-counters and aggregate task-counters |
| */ |
| TezCounters getAllCounters(); |
| TezCounters getCachedCounters(); |
| |
| @SuppressWarnings("rawtypes") |
| EventHandler getEventHandler(); |
| |
| /** |
| * Get Vertex by vertex name |
| */ |
| Vertex getVertex(String vertexName); |
| Map<TezVertexID,Vertex> getVertices(); |
| Vertex getVertex(TezVertexID vertexId); |
| List<String> getDiagnostics(); |
| int getSuccessfulVertices(); |
| float getProgress(); |
| float getCompletedTaskProgress(); |
| boolean isUber(); |
| String getUserName(); |
| |
| Configuration getConf(); |
| |
| DAGPlan getJobPlan(); |
| DAGStatusBuilder getDAGStatus(Set<StatusGetOpts> statusOptions); |
| DAGStatusBuilder getDAGStatus(Set<StatusGetOpts> statusOptions, long timeout) |
| throws TezException; |
| VertexStatusBuilder getVertexStatus(String vertexName, |
| Set<StatusGetOpts> statusOptions); |
| |
| boolean isComplete(); |
| |
| UserGroupInformation getDagUGI(); |
| |
| ACLManager getACLManager(); |
| |
| Map<String, TezVertexID> getVertexNameIDMapping(); |
| |
| long getStartTime(); |
| |
| StateChangeNotifier getStateChangeNotifier(); |
| |
| org.apache.tez.dag.api.Vertex.VertexExecutionContext getDefaultExecutionContext(); |
| |
| /** |
| * |
| * @return the DAGScheduler that will schedule |
| * this DAG, null if it doesn't exist |
| */ |
| @Nullable DAGScheduler getDAGScheduler(); |
| |
| } |