Examples of org.apache.felix.dm.ComponentDeclaration

org.apache.felix.dm.ComponentDeclaration
Describes a component. Component declarations form descriptions of components that are managed by the dependency manager. They can be used to query their state for monitoring tools. The dependency manager shell command is an example of such a tool. @author Felix Project Team

                DependencyManager manager = iterator.next();
                List<Component> complist = manager.getComponents();
                Iterator<Component> componentIterator = complist.iterator();
                while (componentIterator.hasNext()) {
                    Component component = componentIterator.next();
                    ComponentDeclaration sc = (ComponentDeclaration) component;
                    String name = sc.getName();
                    // check if this component is enabled or disabled.
                    if (!mayDisplay(component, servicesFilter, componentsRegex, cids)) {
                        continue;
                    }
                    int state = sc.getState();
                    Bundle bundle = sc.getBundleContext().getBundle();
                    if (matchBundle(bundle, bids)) {
                        long bundleId = bundle.getBundleId();
                        if (notavail) {
                            if (sc.getState() != ComponentDeclaration.STATE_UNREGISTERED) {
                                continue;
                            }
                        }


                        numberOfComponents++;
                        if (lastBundleId != bundleId) {
                            lastBundleId = bundleId;
                            if (comp) {
                                System.out.println("[" + bundleId + "] " + compactName(bundle.getSymbolicName()));
                            } else {
                                System.out.println("[" + bundleId + "] " + bundle.getSymbolicName());
                            }
                        }
                        if (comp) {
                            System.out.print(" [" + sc.getId() + "] " + compactName(name) + " "
                                    + compactState(ComponentDeclaration.STATE_NAMES[state]));
                        } else {
                            System.out.println(" [" + sc.getId() + "] " + name + " "
                                    + ComponentDeclaration.STATE_NAMES[state]);
                        }
                        if (!nodeps) {
                            ComponentDependencyDeclaration[] dependencies = sc.getComponentDependencies();
                            if (dependencies != null && dependencies.length > 0) {
                                numberOfDependencies += dependencies.length;
                                if (comp) {
                                    System.out.print('(');
                                }

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        if (hasMissingType(downComponentsRoot, SERVICE)) {
            System.out.println("The following service(s) are missing: ");
            for (ComponentId s : downComponentsRoot) {
                if (SERVICE.equals(s.getType())) {
                    System.out.print(" * " + s.getName());
                    ComponentDeclaration component = getComponentDeclaration(s.getName(), downComponents);
                    if (component == null) {
                        System.out.println(" is not found in the service registry");
                    } else {
                        ComponentDependencyDeclaration[] componentDependencies = component.getComponentDependencies();
                        System.out.println(" and needs:");
                        for (ComponentDependencyDeclaration cdd : componentDependencies) {
                            if (cdd.getState() == ComponentDependencyDeclaration.STATE_UNAVAILABLE_REQUIRED) {
                                System.out.println(cdd.getName());
                            }

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                    result.add(new ComponentId(cdd.getName(), cdd.getType(), bsn));
                    continue;
                }


                // Detect if the missing dependency is a root cause failure
                ComponentDeclaration component = getComponentDeclaration(cdd.getName(), downComponents);
                if (component == null) {
                    result.add(new ComponentId(cdd.getName(), cdd.getType(), null));
                    continue;
                }
                // Detect circular dependency

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Related Classes of org.apache.felix.dm.ComponentDeclaration

org.apache.felix.dm.shell.DMCommand

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