public RangerTagResourceMap preCreateTagResourceMap(String tagGuid, String resourceGuid)
throws Exception {
if (StringUtils.isBlank(resourceGuid) || StringUtils.isBlank(tagGuid)) {
throw new Exception("Both resourceGuid and resourceId need to be non-empty");
}
RangerTagResourceMap existing =
tagStore.getTagResourceMapForTagAndResourceGuid(tagGuid, resourceGuid);
if (existing != null) {
throw new Exception(
"Attempt to create existing association between resourceId="
+ resourceGuid
+ " and tagId="
+ tagGuid);
}
RangerServiceResource existingServiceResource = tagStore.getServiceResourceByGuid(resourceGuid);
if (existingServiceResource == null) {
throw new Exception("No resource found for guid=" + resourceGuid);
}
RangerTag existingTag = tagStore.getTagByGuid(tagGuid);
if (existingTag == null) {
throw new Exception("No tag found for guid=" + tagGuid);
}
RangerTagResourceMap newTagResourceMap = new RangerTagResourceMap();
newTagResourceMap.setResourceId(existingServiceResource.getId());
newTagResourceMap.setTagId(existingTag.getId());
return newTagResourceMap;
}
public void preUpdateTagByGuid(String guid, final RangerTag tag) throws Exception {
if (StringUtils.isBlank(tag.getType())) {
throw new Exception("Tag has no type");
}
RangerTag existing = tagStore.getTagByGuid(guid);
if (existing == null) {
throw new Exception("Attempt to update nonexistent tag, guid=" + guid);
}
tag.setId(existing.getId());
tag.setGuid(existing.getGuid());
}
public RangerTag preCreateTag(final RangerTag tag) throws Exception {
if (StringUtils.isBlank(tag.getType())) {
throw new Exception("Tag has no type");
}
RangerTag ret = null;
String guid = tag.getGuid();
if (!StringUtils.isBlank(guid)) {
ret = tagStore.getTagByGuid(guid);
}
return ret;
}
public RangerTag preDeleteTagByGuid(String guid) throws Exception {
RangerTag exiting = tagStore.getTagByGuid(guid);
if (exiting == null) {
throw new Exception("Attempt to delete nonexistent tag, guid=" + guid);
}
List<RangerTagResourceMap> associations = tagStore.getTagResourceMapsForTagId(exiting.getId());
if (CollectionUtils.isNotEmpty(associations)) {
throw new Exception(
"Attempt to delete tag which is associated with a service-resource, guid=" + guid);
}
return exiting;
}
