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initial commit for refactoring dag manager
remove changes not related to dag manager refactoring commit before preemption
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88 changes: 88 additions & 0 deletions
88
...service/src/main/java/org/apache/gobblin/service/modules/orchestration/DagManagement.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.gobblin.service.modules.orchestration; | ||
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| import java.io.IOException; | ||
| import java.net.URI; | ||
| import java.util.LinkedList; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
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| import com.typesafe.config.Config; | ||
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| import org.apache.gobblin.annotation.Alpha; | ||
| import org.apache.gobblin.runtime.api.DagActionStore; | ||
| import org.apache.gobblin.runtime.api.TopologySpec; | ||
| import org.apache.gobblin.service.modules.flowgraph.Dag; | ||
| import org.apache.gobblin.service.modules.orchestration.task.DagTask; | ||
| import org.apache.gobblin.service.modules.spec.JobExecutionPlan; | ||
| import org.apache.gobblin.service.monitoring.KillFlowEvent; | ||
| import org.apache.gobblin.service.monitoring.ResumeFlowEvent; | ||
| import org.apache.gobblin.service.monitoring.event.JobStatusEvent; | ||
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| /** | ||
| * Responsible for defining the behavior of {@link DagTask} handling scenarios for launch, resume, kill, job start | ||
| * and flow completion deadlines | ||
| * | ||
| */ | ||
| @Alpha | ||
| public interface DagManagement { | ||
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| DagStateStore createDagStateStore(Config config, Map<URI, TopologySpec> topologySpecMap); | ||
| void deleteJobState(String dagId, Dag.DagNode<JobExecutionPlan> dagNode); | ||
| void addJobState(String dagId, Dag.DagNode<JobExecutionPlan> dagNode); | ||
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| /** | ||
| * defines what to do when a job (dag node) finishes | ||
| * @param dagNode dag node that finished | ||
| * @return next set of DagNodes to run | ||
| * @throws IOException | ||
| */ | ||
| Map<String, Set<Dag.DagNode<JobExecutionPlan>>> onJobFinish(Dag.DagNode<JobExecutionPlan> dagNode) | ||
| throws IOException; | ||
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| /** | ||
| * submit next dag nodes to run | ||
| * @param dagId dag id for which next dag nodes to run | ||
| * @return a set of dag nodes that were submitted to run by this method | ||
| * @throws IOException | ||
| */ | ||
| // todo : maybe return just a set | ||
| Map<String, Set<Dag.DagNode<JobExecutionPlan>>> submitNext(String dagId) throws IOException; | ||
| void removeDagActionFromStore(NewDagManager.DagId dagIdToResume, DagActionStore.FlowActionType flowActionType) | ||
| throws IOException; | ||
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| void handleJobStatusEvent(JobStatusEvent jobStatusEvent); | ||
| void handleKillFlowEvent(KillFlowEvent killFlowEvent); | ||
| void handleLaunchFlowEvent(DagActionStore.DagAction launchAction); | ||
| void handleResumeFlowEvent(ResumeFlowEvent resumeFlowEvent) throws IOException; | ||
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| Map<String, Dag<JobExecutionPlan>> getDags(); | ||
| Map<String, Dag<JobExecutionPlan>> getResumingDags(); | ||
| Map<Dag.DagNode<JobExecutionPlan>, Dag<JobExecutionPlan>> getJobToDag(); | ||
| Map<String, Dag.DagNode<JobExecutionPlan>> getDagNodes(); | ||
| Map<String, LinkedList<Dag.DagNode<JobExecutionPlan>>> getDagToJobs(); | ||
| Map<String, Long> getDagToSLA(); | ||
| Set<String> getFailedDagIds(); | ||
| DagStateStore getFailedDagStateStore(); | ||
| DagStateStore getDagStateStore(); | ||
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| void setActive() throws IOException; | ||
| } |
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