StepperHelper.java

/*******************************************************************************
 * Copyright (c) 2013, 2014 Wind River Systems, Inc. and others. 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
 *
 * Contributors:
 * Wind River Systems - initial API and implementation
 *******************************************************************************/

package org.eclipse.tcf.te.runtime.stepper.utils;

import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.persistence.utils.DataHelper;
import org.eclipse.tcf.te.runtime.services.ServiceManager;
import org.eclipse.tcf.te.runtime.services.interfaces.IService;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepAttributes;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepperOperationService;
import org.eclipse.tcf.te.runtime.stepper.job.StepperJob;

/**
 * StepperHelper
 */
public final class StepperHelper {

	public static final IStepperOperationService getService(Object context, String operation) {
		IService[] services = ServiceManager.getInstance().getServices(context, IStepperOperationService.class, false);
		IStepperOperationService stepperOperationService = null;
		for (IService service : services) {
			if (service instanceof IStepperOperationService && ((IStepperOperationService)service).isHandledOperation(context, operation)) {
				stepperOperationService = (IStepperOperationService)service;
				break;
			}
        }
		return stepperOperationService;
	}

	public static final void scheduleStepperJob(Object context, String operation, IStepperOperationService service, IPropertiesContainer data, ICallback callback, final IProgressMonitor monitor) {
		Assert.isNotNull(service);
		Assert.isNotNull(data);

		IStepContext stepContext = service.getStepContext(context, operation);
		String stepGroupId = service.getStepGroupId(context, operation);
		data = service.getStepGroupData(context, operation, data);
		String name = service.getStepGroupName(context, operation);
		boolean isCancelable = service.isCancelable(context, operation);
		boolean addToActionHistory = service.addToActionHistory(context, operation);
		IPropertiesContainer histData = service.getSpecialHistoryData(stepContext, operation, data);
		if (!addToActionHistory) {
			data.setProperty(IStepAttributes.PROP_SKIP_LAST_RUN_HISTORY, true);
		}
		if (histData != null) {
			data.setProperty(IStepAttributes.ATTR_HISTORY_DATA, DataHelper.encodePropertiesContainer(histData));
		}

		if (stepGroupId != null && stepContext != null) {
			final StepperJob job = new StepperJob(name != null ? name : "", stepContext, data, stepGroupId, operation, isCancelable, monitor == null); //$NON-NLS-1$
			job.setJobCallback(callback);

			if (monitor != null) {
				Thread runner = new Thread(name) {
					@Override
                    public void run() {
						job.run(monitor);
					}
				};
				runner.start();
			}
			else {
				job.schedule();
			}
		}
	}
}