| /* |
| * 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.batchee.test; |
| |
| import javax.batch.operations.JobExecutionAlreadyCompleteException; |
| import javax.batch.operations.JobExecutionIsRunningException; |
| import javax.batch.operations.JobExecutionNotMostRecentException; |
| import javax.batch.operations.JobExecutionNotRunningException; |
| import javax.batch.operations.JobOperator; |
| import javax.batch.operations.JobRestartException; |
| import javax.batch.operations.JobSecurityException; |
| import javax.batch.operations.JobStartException; |
| import javax.batch.operations.NoSuchJobException; |
| import javax.batch.operations.NoSuchJobExecutionException; |
| import javax.batch.operations.NoSuchJobInstanceException; |
| import javax.batch.runtime.BatchRuntime; |
| import javax.batch.runtime.BatchStatus; |
| import javax.batch.runtime.JobExecution; |
| import javax.batch.runtime.JobInstance; |
| import javax.batch.runtime.StepExecution; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Properties; |
| import java.util.Set; |
| |
| /** |
| * An implementation of JobOperator delegating to real JBatch implementation |
| * but waiting for start/stop/restart method. |
| * |
| * Note: would be great to keep this class portable, if not we should just extend BatchKernel and use |
| * org.apache.batchee.container.services.kernel.DefaultBatchKernel#jobExecutionDone(org.apache.batchee.container.impl.jobinstance.RuntimeJobExecution) |
| */ |
| public class SynchronousJobOperator implements JobOperator { |
| private static final Collection<BatchStatus> BATCH_END_STATUSES = Arrays.asList(BatchStatus.COMPLETED, BatchStatus.FAILED, BatchStatus.STOPPED, BatchStatus.ABANDONED); |
| |
| private volatile JobOperator delegate; |
| |
| private JobOperator getOrCreateDelegate() { |
| if (delegate == null) { |
| synchronized (this) { |
| if (delegate == null) { |
| delegate = BatchRuntime.getJobOperator(); |
| } |
| } |
| } |
| return delegate; |
| } |
| |
| private void waitEnd(final long id) { // copy of Batches class but avoids to be linked to BatchEE |
| try { |
| final Class<?> batcheeOpClass = Thread.currentThread().getContextClassLoader().loadClass("org.apache.batchee.container.impl.JobOperatorImpl"); |
| if (batcheeOpClass.isInstance(delegate)) { |
| batcheeOpClass.getMethod("waitFor", long.class).invoke(delegate, id); |
| return; |
| } |
| return; |
| } catch (final Exception e) { |
| // no-op |
| } |
| |
| do { |
| try { |
| Thread.sleep(20); |
| } catch (final InterruptedException e) { |
| return; |
| } |
| } while (!BATCH_END_STATUSES.contains(delegate.getJobExecution(id).getBatchStatus())); |
| } |
| |
| @Override |
| public long start(final String name, final Properties properties) throws JobStartException, JobSecurityException { |
| final long id = getOrCreateDelegate().start(name, properties); |
| waitEnd(id); |
| return id; |
| } |
| |
| @Override |
| public long restart(final long id, final Properties properties) |
| throws JobExecutionAlreadyCompleteException, NoSuchJobExecutionException, JobExecutionNotMostRecentException, JobRestartException, JobSecurityException { |
| final long newId = getOrCreateDelegate().restart(id, properties); |
| waitEnd(newId); |
| return newId; |
| } |
| |
| @Override |
| public void stop(final long id) throws NoSuchJobExecutionException, JobExecutionNotRunningException, JobSecurityException { |
| getOrCreateDelegate().stop(id); |
| waitEnd(id); |
| } |
| |
| @Override |
| public void abandon(final long id) throws NoSuchJobExecutionException, JobExecutionIsRunningException, JobSecurityException { |
| getOrCreateDelegate().abandon(id); |
| waitEnd(id); |
| } |
| |
| @Override |
| public Set<String> getJobNames() throws JobSecurityException { |
| return getOrCreateDelegate().getJobNames(); |
| } |
| |
| @Override |
| public int getJobInstanceCount(final String name) throws NoSuchJobException, JobSecurityException { |
| return getOrCreateDelegate().getJobInstanceCount(name); |
| } |
| |
| @Override |
| public List<JobInstance> getJobInstances(final String name, final int start, final int count) throws NoSuchJobException, JobSecurityException { |
| return getOrCreateDelegate().getJobInstances(name, start, count); |
| } |
| |
| @Override |
| public List<Long> getRunningExecutions(final String name) throws NoSuchJobException, JobSecurityException { |
| return getOrCreateDelegate().getRunningExecutions(name); |
| } |
| |
| @Override |
| public Properties getParameters(final long id) throws NoSuchJobExecutionException, JobSecurityException { |
| return getOrCreateDelegate().getParameters(id); |
| } |
| |
| @Override |
| public JobInstance getJobInstance(final long id) throws NoSuchJobExecutionException, JobSecurityException { |
| return getOrCreateDelegate().getJobInstance(id); |
| } |
| |
| @Override |
| public List<JobExecution> getJobExecutions(final JobInstance jobInstance) throws NoSuchJobInstanceException, JobSecurityException { |
| return getOrCreateDelegate().getJobExecutions(jobInstance); |
| } |
| |
| @Override |
| public JobExecution getJobExecution(final long id) throws NoSuchJobExecutionException, JobSecurityException { |
| return getOrCreateDelegate().getJobExecution(id); |
| } |
| |
| @Override |
| public List<StepExecution> getStepExecutions(final long id) throws NoSuchJobExecutionException, JobSecurityException { |
| return getOrCreateDelegate().getStepExecutions(id); |
| } |
| } |