| /** |
| * 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.oozie.command.coord; |
| |
| import java.util.Date; |
| import java.util.List; |
| |
| import org.apache.oozie.CoordinatorActionBean; |
| import org.apache.oozie.CoordinatorJobBean; |
| import org.apache.oozie.ErrorCode; |
| import org.apache.oozie.XException; |
| import org.apache.oozie.client.CoordinatorJob; |
| import org.apache.oozie.client.Job; |
| import org.apache.oozie.command.CommandException; |
| import org.apache.oozie.command.PreconditionException; |
| import org.apache.oozie.command.ResumeTransitionXCommand; |
| import org.apache.oozie.command.bundle.BundleStatusUpdateXCommand; |
| import org.apache.oozie.command.wf.ResumeXCommand; |
| import org.apache.oozie.executor.jpa.BatchQueryExecutor; |
| import org.apache.oozie.executor.jpa.BatchQueryExecutor.UpdateEntry; |
| import org.apache.oozie.executor.jpa.CoordActionQueryExecutor.CoordActionQuery; |
| import org.apache.oozie.executor.jpa.CoordJobGetActionsSuspendedJPAExecutor; |
| import org.apache.oozie.executor.jpa.CoordJobGetJPAExecutor; |
| import org.apache.oozie.executor.jpa.JPAExecutorException; |
| import org.apache.oozie.executor.jpa.CoordJobQueryExecutor.CoordJobQuery; |
| import org.apache.oozie.service.EventHandlerService; |
| import org.apache.oozie.service.JPAService; |
| import org.apache.oozie.service.Services; |
| import org.apache.oozie.util.InstrumentUtils; |
| import org.apache.oozie.util.LogUtils; |
| import org.apache.oozie.util.ParamChecker; |
| import org.apache.oozie.util.XLog; |
| |
| /** |
| * Resume coordinator job and actions. |
| * |
| */ |
| public class CoordResumeXCommand extends ResumeTransitionXCommand { |
| private final String jobId; |
| private CoordinatorJobBean coordJob = null; |
| private JPAService jpaService = null; |
| private boolean exceptionOccured = false; |
| CoordinatorJob.Status prevStatus; |
| |
| public CoordResumeXCommand(String id) { |
| super("coord_resume", "coord_resume", 1); |
| this.jobId = ParamChecker.notEmpty(id, "id"); |
| } |
| |
| @Override |
| public String getEntityKey() { |
| return jobId; |
| } |
| |
| @Override |
| public String getKey() { |
| return getName() + "_" + this.jobId; |
| } |
| |
| @Override |
| protected boolean isLockRequired() { |
| return true; |
| } |
| |
| @Override |
| protected void loadState() throws CommandException { |
| jpaService = Services.get().get(JPAService.class); |
| if (jpaService == null) { |
| throw new CommandException(ErrorCode.E0610); |
| } |
| try { |
| coordJob = jpaService.execute(new CoordJobGetJPAExecutor(jobId)); |
| } |
| catch (JPAExecutorException e) { |
| throw new CommandException(e); |
| } |
| setJob(coordJob); |
| prevStatus = coordJob.getStatus(); |
| LogUtils.setLogInfo(coordJob); |
| } |
| |
| @Override |
| protected void verifyPrecondition() throws CommandException, PreconditionException { |
| if (coordJob.getStatus() != CoordinatorJob.Status.SUSPENDED && coordJob.getStatus() != CoordinatorJob.Status |
| .SUSPENDEDWITHERROR && coordJob.getStatus() != Job.Status.PREPSUSPENDED) { |
| throw new PreconditionException(ErrorCode.E1100, "CoordResumeXCommand not Resumed - " |
| + "job not in SUSPENDED/SUSPENDEDWITHERROR/PREPSUSPENDED state, job = " + jobId); |
| } |
| } |
| |
| @Override |
| public void updateJob() { |
| InstrumentUtils.incrJobCounter(getName(), 1, getInstrumentation()); |
| coordJob.setSuspendedTime(null); |
| coordJob.setLastModifiedTime(new Date()); |
| LOG.debug("Resume coordinator job id = " + jobId + ", status = " + coordJob.getStatus() + ", pending = " |
| + coordJob.isPending()); |
| updateList.add(new UpdateEntry<CoordJobQuery>(CoordJobQuery.UPDATE_COORD_JOB_STATUS_PENDING_TIME, coordJob)); |
| } |
| |
| @Override |
| public void resumeChildren() throws CommandException { |
| try { |
| // Get all suspended actions to resume them |
| List<CoordinatorActionBean> actionList = jpaService.execute(new CoordJobGetActionsSuspendedJPAExecutor( |
| jobId)); |
| |
| for (CoordinatorActionBean action : actionList) { |
| if (action.getExternalId() != null) { |
| // queue a ResumeXCommand |
| queue(new ResumeXCommand(action.getExternalId())); |
| updateCoordAction(action); |
| LOG.debug( |
| "Resume coord action = [{0}], new status = [{1}], pending = [{2}] and queue ResumeXCommand for [{3}]", |
| action.getId(), action.getStatus(), action.getPending(), action.getExternalId()); |
| } |
| else { |
| updateCoordAction(action); |
| LOG.debug( |
| "Resume coord action = [{0}], new status = [{1}], pending = [{2}] and external id is null", |
| action.getId(), action.getStatus(), action.getPending()); |
| } |
| } |
| |
| } |
| catch (XException ex) { |
| exceptionOccured = true; |
| throw new CommandException(ex); |
| } |
| finally { |
| if (exceptionOccured) { |
| coordJob.setStatus(CoordinatorJob.Status.FAILED); |
| coordJob.resetPending(); |
| LOG.warn("Resume children failed so fail coordinator, coordinator job id = " + jobId + ", status = " |
| + coordJob.getStatus()); |
| updateList.add(new UpdateEntry<CoordJobQuery>(CoordJobQuery.UPDATE_COORD_JOB_STATUS_PENDING_TIME, |
| coordJob)); |
| } |
| } |
| } |
| |
| @Override |
| public void notifyParent() throws CommandException { |
| // update bundle action |
| if (this.coordJob.getBundleId() != null) { |
| BundleStatusUpdateXCommand bundleStatusUpdate = new BundleStatusUpdateXCommand(coordJob, prevStatus); |
| bundleStatusUpdate.call(); |
| } |
| } |
| |
| @Override |
| public void performWrites() throws CommandException { |
| try { |
| BatchQueryExecutor.getInstance().executeBatchInsertUpdateDelete(null, updateList, null); |
| if (EventHandlerService.isEnabled()) { |
| // good enough to set event start time as coord's last modified time |
| // updated when set to running |
| generateEvents(coordJob, coordJob.getLastModifiedTime()); |
| } |
| } |
| catch (JPAExecutorException e) { |
| throw new CommandException(e); |
| } |
| } |
| |
| private void updateCoordAction(CoordinatorActionBean action) { |
| action.setStatus(CoordinatorActionBean.Status.RUNNING); |
| action.incrementAndGetPending(); |
| action.setLastModifiedTime(new Date()); |
| updateList.add(new UpdateEntry<CoordActionQuery>(CoordActionQuery.UPDATE_COORD_ACTION_STATUS_PENDING_TIME, action)); |
| } |
| |
| @Override |
| public Job getJob() { |
| return coordJob; |
| } |
| } |