[jboss-dev-forums] [Design the new POJO MicroContainer] - Checking DeploymentContext for failures
Regarding http://jira.jboss.com/jira/browse/JBMICROCONT-187.
What's the best way to get failing ControllerContexts that belong to DeploymentContext
param?
This is what I came up currently:
| protected final void checkComplete(
| DeploymentContext context,
| Map<String, Throwable> contextsInError,
| Map<String, Set<MissingDependency>> contextsMissingDependencies,
| Set<ControllerContext> notInstalled,
| List<ControllerState> states)
| {
| Attachments attachments = context.getDeploymentUnit();
| if (attachments != null && checkers != null)
| {
| for (AttachmentChecker checker : checkers)
| {
| ControllerContext cc = checker.getControllerContext(controller,
attachments);
| if (cc != null)
| {
| if (cc.getState().equals(cc.getRequiredState()) == false &&
notInstalled.contains(cc))
| {
| checkControllerContext(cc, contextsInError,
contextsMissingDependencies, states);
| }
| }
| }
| }
| List<DeploymentContext> children = context.getChildren();
| if (children != null && children.isEmpty() == false)
| {
| for(DeploymentContext child : children)
| checkComplete(child, contextsInError, contextsMissingDependencies,
notInstalled, states);
| }
| }
|
where AttachmentChecker looks like this, e.g. Bean checker:
| public abstract class AbstractAttachmentChecker<T> implements AttachmentChecker
| {
| private Class<T> type;
|
| protected AbstractAttachmentChecker(Class<T> type)
| {
| if (type == null)
| throw new IllegalArgumentException("Null type.");
| this.type = type;
| }
|
| public ControllerContext getControllerContext(Controller controller, Attachments
attachments)
| {
| T attachment = attachments.getAttachment(type);
| if (attachment != null)
| return getControllerContext(controller, attachment);
|
| return null;
| }
|
| protected abstract ControllerContext getControllerContext(Controller controller, T
attachment);
| }
|
| public class BeanAttachmentChecker extends
AbstractAttachmentChecker<BeanMetaData>
| {
| public BeanAttachmentChecker()
| {
| super(BeanMetaData.class);
| }
|
| protected ControllerContext getControllerContext(Controller controller,
BeanMetaData attachment)
| {
| return controller.getContext(attachment.getName(), null);
| }
| }
|
Another checker implementations would include ServiceAC (mbeans) and ControllerContextAC
(OSGi deployments).
Any others?
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