Java UpdateOperation.getProvisioningJob方法代码示例

import org.eclipse.equinox.p2.operations.UpdateOperation; //导入方法依赖的package包/类
/**
 * Download and install application updates.
 * 
 * @param agent
 * @param monitor
 * @return
 * @throws OperationCanceledException
 */
public static IStatus installUpdates(IProvisioningAgent agent, IProgressMonitor monitor)
	throws OperationCanceledException{
	ProvisioningSession session = new ProvisioningSession(agent);
	UpdateOperation operation = new UpdateOperation(session);
	SubMonitor sub = SubMonitor.convert(monitor, "Installing updates ...", 200);
	operation.resolveModal(sub.newChild(100));
	ProvisioningJob job = operation.getProvisioningJob(monitor);
	return job.runModal(sub.newChild(100));
}
 

import org.eclipse.equinox.p2.operations.UpdateOperation; //导入方法依赖的package包/类
public static IStatus checkForUpdates(IProvisioningAgent agent, IProgressMonitor monitor) throws Exception {

		try {
			addUpdateSite(agent);

			ProvisioningSession session = new ProvisioningSession(agent);
			// the default update operation looks for updates to the currently
			// running profile, using the default profile root marker. To change
			// which installable units are being updated, use the more detailed
			// constructors.
			UpdateOperation operation = new UpdateOperation(session);
			SubMonitor sub = SubMonitor.convert(monitor, "Checking for application updates...", 200);
			IStatus status = operation.resolveModal(sub.newChild(100));
			if (status.getCode() == UpdateOperation.STATUS_NOTHING_TO_UPDATE) {
				return status;
			}
			if (status.getSeverity() == IStatus.CANCEL)
				throw new OperationCanceledException();

			if (status.getSeverity() != IStatus.ERROR) {
				// More complex status handling might include showing the user what updates
				// are available if there are multiples, differentiating patches vs. updates, etc.
				// In this example, we simply update as suggested by the operation.
				ProvisioningJob job = operation.getProvisioningJob(null);
				status = job.runModal(sub.newChild(100));
				if (status.getSeverity() == IStatus.CANCEL)
					throw new OperationCanceledException();
			}

			return status;

		} catch (Throwable ex) {
//			LOG.error(ex);
			return null;

		} finally {
			// if (useProxy) {
			// proxySettings.resetProxy();
			// }
		}
	}
 

import org.eclipse.equinox.p2.operations.UpdateOperation; //导入方法依赖的package包/类
/**
 * Install selected updates in to developer studio. Note: call
 * {@link #setSelectedUpdates(List) setSelectedUpdates} first.
 * 
 * @param monitor
 */
public void installSelectedUpdates(IProgressMonitor monitor) {
	SubMonitor progress = SubMonitor.convert(monitor, Messages.UpdateManager_26, 2);
	URI[] repos = new URI[] { getDevStudioUpdateSite() };
	session = new ProvisioningSession(p2Agent);
	updateOperation = new UpdateOperation(session);
	updateOperation.getProvisioningContext().setArtifactRepositories(repos);
	updateOperation.getProvisioningContext().setMetadataRepositories(repos);

	updateOperation.setSelectedUpdates(selectedUpdates);
	IStatus status = updateOperation.resolveModal(progress.newChild(1));
	if (status.getSeverity() == IStatus.CANCEL) {
		throw new OperationCanceledException();
	} else if (status.getSeverity() == IStatus.ERROR) {
		String message = status.getChildren()[0].getMessage();
		UpdateMetaFileReaderJob.promptUserError(message, Messages.UpdateManager_27);
		log.error(Messages.UpdateManager_27 + message);
	} else {
		final ProvisioningJob provisioningJob = updateOperation.getProvisioningJob(progress.newChild(1));
		if (provisioningJob != null) {
			provisioningJob.addJobChangeListener(new JobChangeAdapter() {
				@Override
				public void done(IJobChangeEvent arg0) {
					Display.getDefault().syncExec(new Runnable() {
						@Override
						public void run() {
							boolean restart = MessageDialog.openQuestion(Display.getDefault().getActiveShell(),
									Messages.UpdateManager_28,
									Messages.UpdateManager_29 + Messages.UpdateManager_30);
							if (restart) {
								PlatformUI.getWorkbench().restart();
							}
						}
					});
				}
			});
			provisioningJob.schedule();
			Display.getDefault().syncExec(new Runnable() {
				@Override
				public void run() {
					try {
						PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
								.showView(IProgressConstants.PROGRESS_VIEW_ID);
					} catch (PartInitException e) {
						log.error(e);
					}
				}
			});
		} else {
			log.error(Messages.UpdateManager_31);
		}
	}
}