| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.control.cc.job.manager.events; |
| |
| import java.util.EnumSet; |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.UUID; |
| |
| import edu.uci.ics.hyracks.api.constraints.IConstraintExpressionAcceptor; |
| import edu.uci.ics.hyracks.api.constraints.expressions.ConstraintExpression; |
| import edu.uci.ics.hyracks.api.dataflow.IConnectorDescriptor; |
| import edu.uci.ics.hyracks.api.dataflow.IOperatorDescriptor; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksException; |
| import edu.uci.ics.hyracks.api.job.JobFlag; |
| import edu.uci.ics.hyracks.api.job.JobPlan; |
| import edu.uci.ics.hyracks.api.job.JobSpecification; |
| import edu.uci.ics.hyracks.api.job.JobStatus; |
| import edu.uci.ics.hyracks.control.cc.ClusterControllerService; |
| import edu.uci.ics.hyracks.control.cc.application.CCApplicationContext; |
| import edu.uci.ics.hyracks.control.cc.job.IConnectorDescriptorVisitor; |
| import edu.uci.ics.hyracks.control.cc.job.IOperatorDescriptorVisitor; |
| import edu.uci.ics.hyracks.control.cc.job.JobPlanBuilder; |
| import edu.uci.ics.hyracks.control.cc.job.JobRun; |
| import edu.uci.ics.hyracks.control.cc.job.PlanUtils; |
| import edu.uci.ics.hyracks.control.cc.jobqueue.SynchronizableRunnable; |
| |
| public class JobCreateEvent extends SynchronizableRunnable { |
| private final ClusterControllerService ccs; |
| private final byte[] jobSpec; |
| private final EnumSet<JobFlag> jobFlags; |
| private final UUID jobId; |
| private final String appName; |
| |
| public JobCreateEvent(ClusterControllerService ccs, UUID jobId, String appName, byte[] jobSpec, |
| EnumSet<JobFlag> jobFlags) { |
| this.jobId = jobId; |
| this.ccs = ccs; |
| this.jobSpec = jobSpec; |
| this.jobFlags = jobFlags; |
| this.appName = appName; |
| } |
| |
| @Override |
| protected void doRun() throws Exception { |
| CCApplicationContext appCtx = ccs.getApplicationMap().get(appName); |
| if (appCtx == null) { |
| throw new HyracksException("No application with id " + appName + " found"); |
| } |
| JobSpecification spec = appCtx.createJobSpecification(jobId, jobSpec); |
| JobRun run = plan(jobId, spec, jobFlags); |
| run.setStatus(JobStatus.INITIALIZED); |
| |
| ccs.getRunMap().put(jobId, run); |
| appCtx.notifyJobCreation(jobId, spec); |
| } |
| |
| public UUID getJobId() { |
| return jobId; |
| } |
| |
| private JobRun plan(UUID jobId, JobSpecification jobSpec, EnumSet<JobFlag> jobFlags) throws Exception { |
| final JobPlanBuilder builder = new JobPlanBuilder(); |
| builder.init(appName, jobId, jobSpec, jobFlags); |
| PlanUtils.visit(jobSpec, new IOperatorDescriptorVisitor() { |
| @Override |
| public void visit(IOperatorDescriptor op) { |
| op.contributeTaskGraph(builder); |
| } |
| }); |
| final JobPlan plan = builder.getPlan(); |
| |
| final Set<ConstraintExpression> contributedConstraints = new HashSet<ConstraintExpression>(); |
| final IConstraintExpressionAcceptor acceptor = new IConstraintExpressionAcceptor() { |
| @Override |
| public void addConstraintExpression(ConstraintExpression constraintExpression) { |
| contributedConstraints.add(constraintExpression); |
| } |
| }; |
| PlanUtils.visit(jobSpec, new IOperatorDescriptorVisitor() { |
| @Override |
| public void visit(IOperatorDescriptor op) { |
| op.contributeSchedulingConstraints(acceptor, plan); |
| } |
| }); |
| PlanUtils.visit(jobSpec, new IConnectorDescriptorVisitor() { |
| @Override |
| public void visit(IConnectorDescriptor conn) { |
| conn.contributeSchedulingConstraints(acceptor, plan); |
| } |
| }); |
| contributedConstraints.addAll(jobSpec.getUserConstraints()); |
| |
| JobRun run = new JobRun(plan, contributedConstraints); |
| |
| return run; |
| } |
| } |