| /** |
| * 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 org.apache.oozie.CoordinatorActionBean; |
| import org.apache.oozie.CoordinatorWfActionBean; |
| import org.apache.oozie.ErrorCode; |
| import org.apache.oozie.WorkflowActionBean; |
| import org.apache.oozie.client.CoordinatorWfAction; |
| import org.apache.oozie.command.CommandException; |
| import org.apache.oozie.command.PreconditionException; |
| import org.apache.oozie.executor.jpa.CoordJobGetActionsSubsetJPAExecutor; |
| import org.apache.oozie.executor.jpa.JPAExecutorException; |
| import org.apache.oozie.executor.jpa.WorkflowActionGetJPAExecutor; |
| import org.apache.oozie.service.JPAService; |
| import org.apache.oozie.service.Services; |
| import org.apache.oozie.util.ParamChecker; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class CoordWfActionInfoXCommand extends CoordinatorXCommand<List<CoordinatorWfActionBean>>{ |
| /** |
| * This class gets the wf action info in coordinator by action name and coordinator job ID. |
| */ |
| private static final String ACTION_INFO = "action.info"; |
| private static final int DEFAULT_OFFSET = 1; |
| private static final int DEFAULT_LEN = 50; |
| |
| private final String jobId; |
| private final String actionName; |
| private final int offset; |
| private final int len; |
| private List<CoordinatorActionBean> coordActions; |
| private JPAService jpaService = null; |
| |
| public CoordWfActionInfoXCommand(String jobId, String actionName) { |
| this(jobId, actionName, DEFAULT_OFFSET, DEFAULT_LEN); |
| } |
| |
| public CoordWfActionInfoXCommand(String jobId, String actionName, int offset, int len) { |
| super(ACTION_INFO, ACTION_INFO, 1); |
| |
| this.jobId = ParamChecker.notEmpty(jobId, "jobId"); |
| this.actionName = ParamChecker.notEmpty(actionName, "actionName"); |
| this.offset = offset; |
| this.len = len; |
| } |
| |
| @Override |
| protected List<CoordinatorWfActionBean> execute() throws CommandException { |
| List<CoordinatorWfActionBean> coordWfActions = new ArrayList<CoordinatorWfActionBean>(); |
| for(CoordinatorActionBean coordAction : coordActions) { |
| String wfId = coordAction.getExternalId(); |
| String nullReason = null; |
| WorkflowActionBean wfAction = null; |
| if (wfId != null) { |
| String wfActionId = wfId + "@" + actionName; |
| try { |
| wfAction = jpaService.execute(new WorkflowActionGetJPAExecutor(wfActionId, true)); |
| if (wfAction == null) { |
| nullReason = CoordinatorWfAction.NullReason.ACTION_NULL.getNullReason(actionName, wfId); |
| } |
| } catch (JPAExecutorException ex) { |
| throw new CommandException(ex); |
| } |
| } else { |
| nullReason = CoordinatorWfAction.NullReason.PARENT_NULL.getNullReason(); |
| LOG.warn(nullReason); |
| wfAction = null; |
| } |
| int actionNumber = coordAction.getActionNumber(); |
| CoordinatorWfActionBean coordWfAction = new CoordinatorWfActionBean(actionNumber, wfAction, nullReason); |
| |
| coordWfActions.add(coordWfAction); |
| } |
| return coordWfActions; |
| } |
| |
| @Override |
| protected void loadState() throws CommandException { |
| jpaService = Services.get().get(JPAService.class); |
| if (jpaService != null) { |
| try { |
| coordActions = jpaService.execute( |
| new CoordJobGetActionsSubsetJPAExecutor(jobId, null, offset, len, false)); |
| } catch (JPAExecutorException ex) { |
| LOG.error(ErrorCode.E0612); |
| throw new CommandException(ex); |
| } |
| } |
| else { |
| throw new CommandException(ErrorCode.E0610); |
| } |
| } |
| |
| @Override |
| protected void verifyPrecondition() throws CommandException, PreconditionException { |
| } |
| |
| @Override |
| protected boolean isLockRequired() { |
| return false; |
| } |
| |
| @Override |
| public String getEntityKey() { |
| return null; |
| } |
| } |