DelegatingJobOperator.java

/*
 * Copyright (c) 2016 Red Hat, Inc. and/or its affiliates.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 */

package org.jberet.operations;

import java.util.List;
import java.util.Properties;
import java.util.Set;
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.JobExecution;
import javax.batch.runtime.JobInstance;
import javax.batch.runtime.StepExecution;

import org.jberet.spi.JobOperatorContext;

/**
 * A delegating job operator. By default the delegate is retrieved from the
 * {@linkplain JobOperatorContext#getJobOperator() context}.
 *
 * @author <a href="mailto:jperkins@redhat.com">James R. Perkins</a>
 */
public class DelegatingJobOperator implements JobOperator {

    @Override
    public Set<String> getJobNames() throws JobSecurityException {
        return getDelegate().getJobNames();
    }

    @Override
    public int getJobInstanceCount(final String jobName) throws NoSuchJobException, JobSecurityException {
        return getDelegate().getJobInstanceCount(jobName);
    }

    @Override
    public List<JobInstance> getJobInstances(final String jobName, final int start, final int count) throws NoSuchJobException, JobSecurityException {
        return getDelegate().getJobInstances(jobName, start, count);
    }

    @Override
    public List<Long> getRunningExecutions(final String jobName) throws NoSuchJobException, JobSecurityException {
        return getDelegate().getRunningExecutions(jobName);
    }

    @Override
    public Properties getParameters(final long executionId) throws NoSuchJobExecutionException, JobSecurityException {
        return getDelegate().getParameters(executionId);
    }

    @Override
    public long start(final String jobXMLName, final Properties jobParameters) throws JobStartException, JobSecurityException {
        return getDelegate().start(jobXMLName, jobParameters);
    }

    @Override
    public long restart(final long executionId, final Properties restartParameters) throws JobExecutionAlreadyCompleteException, NoSuchJobExecutionException, JobExecutionNotMostRecentException, JobRestartException, JobSecurityException {
        return getDelegate().restart(executionId, restartParameters);
    }

    @Override
    public void stop(final long executionId) throws NoSuchJobExecutionException, JobExecutionNotRunningException, JobSecurityException {
        getDelegate().stop(executionId);
    }

    @Override
    public void abandon(final long executionId) throws NoSuchJobExecutionException, JobExecutionIsRunningException, JobSecurityException {
        getDelegate().abandon(executionId);
    }

    @Override
    public JobInstance getJobInstance(final long executionId) throws NoSuchJobExecutionException, JobSecurityException {
        return getDelegate().getJobInstance(executionId);
    }

    @Override
    public List<JobExecution> getJobExecutions(final JobInstance instance) throws NoSuchJobInstanceException, JobSecurityException {
        return getDelegate().getJobExecutions(instance);
    }

    @Override
    public JobExecution getJobExecution(final long executionId) throws NoSuchJobExecutionException, JobSecurityException {
        return getDelegate().getJobExecution(executionId);
    }

    @Override
    public List<StepExecution> getStepExecutions(final long jobExecutionId) throws NoSuchJobExecutionException, JobSecurityException {
        return getDelegate().getStepExecutions(jobExecutionId);
    }

    /**
     * Returns the delegate {@link JobOperator}. This cannot return {@code null}.
     *
     * @return the delegate job operator
     */
    @SuppressWarnings("WeakerAccess")
    protected JobOperator getDelegate() {
        return JobOperatorContext.getJobOperatorContext().getJobOperator();
    }
}