/**
* 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;
}
