| /******************************************************************************* |
| * 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.ofbiz.service.job; |
| |
| import java.util.Date; |
| |
| import org.apache.ofbiz.base.util.Assert; |
| import org.apache.ofbiz.base.util.Debug; |
| import org.apache.ofbiz.entity.transaction.GenericTransactionException; |
| import org.apache.ofbiz.entity.transaction.TransactionUtil; |
| |
| /** |
| * Abstract Job. |
| */ |
| public abstract class AbstractJob implements Job { |
| |
| public static final String module = AbstractJob.class.getName(); |
| |
| private final String jobId; |
| private final String jobName; |
| protected State currentState = State.CREATED; |
| private long elapsedTime = 0; |
| private final Date startTime = new Date(); |
| |
| protected AbstractJob(String jobId, String jobName) { |
| Assert.notNull("jobId", jobId, "jobName", jobName); |
| this.jobId = jobId; |
| this.jobName = jobName; |
| } |
| |
| @Override |
| public State currentState() { |
| return currentState; |
| } |
| |
| @Override |
| public String getJobId() { |
| return this.jobId; |
| } |
| |
| @Override |
| public String getJobName() { |
| return this.jobName; |
| } |
| |
| @Override |
| public void queue() throws InvalidJobException { |
| if (currentState != State.CREATED) { |
| throw new InvalidJobException("Illegal state change"); |
| } |
| this.currentState = State.QUEUED; |
| } |
| |
| @Override |
| public void deQueue() throws InvalidJobException { |
| if (currentState != State.QUEUED) { |
| throw new InvalidJobException("Illegal state change"); |
| } |
| this.currentState = State.CREATED; |
| } |
| |
| /** |
| * Executes this Job. The {@link #run()} method calls this method. |
| */ |
| public abstract void exec() throws InvalidJobException; |
| |
| @Override |
| public void run() { |
| long startMillis = System.currentTimeMillis(); |
| try { |
| exec(); |
| } catch (InvalidJobException e) { |
| Debug.logWarning(e.getMessage(), module); |
| } |
| // sanity check; make sure we don't have any transactions in place |
| try { |
| // roll back current TX first |
| if (TransactionUtil.isTransactionInPlace()) { |
| Debug.logWarning("*** NOTICE: JobInvoker finished w/ a transaction in place! Rolling back.", module); |
| TransactionUtil.rollback(); |
| } |
| // now resume/rollback any suspended txs |
| if (TransactionUtil.suspendedTransactionsHeld()) { |
| int suspended = TransactionUtil.cleanSuspendedTransactions(); |
| Debug.logWarning("Resumed/Rolled Back [" + suspended + "] transactions.", module); |
| } |
| } catch (GenericTransactionException e) { |
| Debug.logWarning(e, module); |
| } |
| elapsedTime = System.currentTimeMillis() - startMillis; |
| } |
| |
| @Override |
| public long getRuntime() { |
| return elapsedTime; |
| } |
| |
| @Override |
| public Date getStartTime() { |
| return startTime; |
| } |
| } |