@Test
public void testResolve_RequiredServices() throws Exception {
List<String> requiredServices = new ArrayList<String>();
requiredServices.add("foo");
requiredServices.add("bar");
// specified in child only
ServiceInfo info = new ServiceInfo();
ServiceInfo parentInfo = new ServiceInfo();
info.setRequiredServices(requiredServices);
ServiceModule service = resolveService(info, parentInfo);
assertEquals(requiredServices, service.getModuleInfo().getRequiredServices());
// specified in parent only
info.setRequiredServices(null);
parentInfo.setRequiredServices(requiredServices);
service = resolveService(info, parentInfo);
assertEquals(requiredServices, service.getModuleInfo().getRequiredServices());
// specified in both
info.setRequiredServices(requiredServices);
parentInfo.setRequiredServices(Collections.singletonList("other"));
service = resolveService(info, parentInfo);
assertEquals(requiredServices, service.getModuleInfo().getRequiredServices());
// not set in either
info.setRequiredServices(null);
parentInfo.setRequiredServices(null);
service = resolveService(info, parentInfo);
assertTrue(service.getModuleInfo().getRequiredServices().isEmpty());
}
@Override
public void resolve(
ServiceModule parentModule,
Map<String, StackModule> allStacks,
Map<String, ServiceModule> commonServices)
throws AmbariException {
if (!serviceInfo.isValid() || !parentModule.isValid()) return;
ServiceInfo parent = parentModule.getModuleInfo();
if (serviceInfo.getComment() == null) {
serviceInfo.setComment(parent.getComment());
}
if (serviceInfo.getDisplayName() == null) {
serviceInfo.setDisplayName(parent.getDisplayName());
}
if (serviceInfo.getVersion() == null) {
serviceInfo.setVersion(parent.getVersion());
}
if (serviceInfo.getRequiredServices() == null
|| serviceInfo.getRequiredServices().size() == 0) {
serviceInfo.setRequiredServices(
parent.getRequiredServices() != null
? parent.getRequiredServices()
: Collections.<String>emptyList());
}
if (serviceInfo.isRestartRequiredAfterChange() == null) {
serviceInfo.setRestartRequiredAfterChange(parent.isRestartRequiredAfterChange());
}
if (serviceInfo.isRestartRequiredAfterRackChange() == null) {
serviceInfo.setRestartRequiredAfterRackChange(parent.isRestartRequiredAfterRackChange());
}
if (serviceInfo.isMonitoringService() == null) {
serviceInfo.setMonitoringService(parent.isMonitoringService());
}
if (serviceInfo.getOsSpecifics().isEmpty()) {
serviceInfo.setOsSpecifics(parent.getOsSpecifics());
}
if (serviceInfo.getCommandScript() == null) {
serviceInfo.setCommandScript(parent.getCommandScript());
}
if (serviceInfo.getServicePackageFolder() == null) {
serviceInfo.setServicePackageFolder(parent.getServicePackageFolder());
}
if (serviceInfo.getMetricsFile() == null) {
serviceInfo.setMetricsFile(parent.getMetricsFile());
}
if (serviceInfo.getAlertsFile() == null) {
serviceInfo.setAlertsFile(parent.getAlertsFile());
}
if (serviceInfo.getKerberosDescriptorFile() == null) {
serviceInfo.setKerberosDescriptorFile(parent.getKerberosDescriptorFile());
}
if (serviceInfo.getThemesMap().isEmpty()) {
serviceInfo.setThemesMap(parent.getThemesMap());
}
if (serviceInfo.getWidgetsDescriptorFile() == null) {
serviceInfo.setWidgetsDescriptorFile(parent.getWidgetsDescriptorFile());
}
mergeCustomCommands(parent.getCustomCommands(), serviceInfo.getCustomCommands());
mergeConfigDependencies(parent);
mergeComponents(parentModule, allStacks, commonServices);
mergeConfigurations(parentModule, allStacks, commonServices);
mergeThemes(parentModule, allStacks, commonServices);
mergeExcludedConfigTypes(parent);
mergeServiceProperties(parent.getServicePropertyList());
}