/**
* Resolve common service
*
* @param allStacks all stack modules
* @param commonServices common service modules
* @throws AmbariException
*/
public void resolveCommonService(
Map<String, StackModule> allStacks, Map<String, ServiceModule> commonServices)
throws AmbariException {
if (!isCommonService) {
throw new AmbariException("Not a common service");
}
moduleState = ModuleState.VISITED;
String parentString = serviceInfo.getParent();
if (parentString != null) {
String[] parentToks = parentString.split(StackManager.PATH_DELIMITER);
if (parentToks.length != 3) {
throw new AmbariException(
"The common service '"
+ serviceInfo.getName()
+ serviceInfo.getVersion()
+ "' extends an invalid parent: '"
+ parentString
+ "'");
}
if (parentToks[0].equalsIgnoreCase(StackManager.COMMON_SERVICES)) {
String baseServiceKey = parentToks[1] + StackManager.PATH_DELIMITER + parentToks[2];
ServiceModule baseService = commonServices.get(baseServiceKey);
ModuleState baseModuleState = baseService.getModuleState();
if (baseModuleState == ModuleState.INIT) {
baseService.resolveCommonService(allStacks, commonServices);
} else if (baseModuleState == ModuleState.VISITED) {
// todo: provide more information to user about cycle
throw new AmbariException("Cycle detected while parsing common service");
}
resolve(baseService, allStacks, commonServices);
} else {
throw new AmbariException("Common service cannot inherit from a non common service");
}
}
moduleState = ModuleState.RESOLVED;
}
@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());
}