public RangerTagResourceMap preCreateTagResourceMapByIds(Long tagId, Long resourceId)
throws Exception {
RangerTagResourceMap existing =
tagStore.getTagResourceMapForTagAndResourceId(tagId, resourceId);
if (existing != null) {
throw new Exception(
"Attempt to create existing association between resourceId="
+ resourceId
+ " and tagId="
+ tagId);
}
RangerServiceResource existingServiceResource = tagStore.getServiceResource(resourceId);
if (existingServiceResource == null) {
throw new Exception("No resource found for id=" + resourceId);
}
RangerTag existingTag = tagStore.getTag(tagId);
if (existingTag == null) {
throw new Exception("No tag found for id=" + tagId);
}
RangerTagResourceMap newTagResourceMap = new RangerTagResourceMap();
newTagResourceMap.setResourceId(resourceId);
newTagResourceMap.setTagId(tagId);
return newTagResourceMap;
}
public RangerTag preDeleteTag(Long id) throws Exception {
if (id == null) {
throw new Exception("Invalid/null id");
}
RangerTag existing = tagStore.getTag(id);
if (existing == null) {
throw new Exception("Attempt to delete nonexistent tag, id=" + id);
}
List<RangerTagResourceMap> associations = tagStore.getTagResourceMapsForTagId(existing.getId());
if (CollectionUtils.isNotEmpty(associations)) {
throw new Exception(
"Attempt to delete tag which is associated with a service-resource, id=" + id);
}
return existing;
}
public void preUpdateTag(final Long id, final RangerTag tag) throws Exception {
if (StringUtils.isBlank(tag.getType())) {
throw new Exception("Tag has no type");
}
if (id == null) {
throw new Exception("Invalid/null id");
}
RangerTag existing = tagStore.getTag(id);
if (existing == null) {
throw new Exception("Attempt to update nonexistant tag, id=" + id);
}
tag.setId(existing.getId());
tag.setGuid(existing.getGuid());
}
