/* Public Interfaces */
public static URI newLink(DataObject resource) {
if (resource == null) {
throw new NullPointerException();
}
ResourceTypeEnum res = ResourceTypeMapping.getResourceType(resource);
try {
URI parentId;
if (res == null) {
return new URI("/");
}
switch (res) {
case STORAGE_POOL:
parentId = ((StoragePool) resource).getStorageDevice();
return secondaryResourceLink(res.getService(), resource.getId(), parentId);
case STORAGE_PORT:
parentId = ((StoragePort) resource).getStorageDevice();
return secondaryResourceLink(res.getService(), resource.getId(), parentId);
case RDF_GROUP:
parentId = ((RemoteDirectorGroup) resource).getSourceStorageSystemUri();
return secondaryResourceLink(res.getService(), resource.getId(), parentId);
case BLOCK_MIRROR:
parentId = ((BlockMirror) resource).getSource().getURI();
return secondaryResourceLink(res.getService(), resource.getId(), parentId);
case VPLEX_MIRROR:
parentId = ((VplexMirror) resource).getSource().getURI();
return secondaryResourceLink(res.getService(), resource.getId(), parentId);
case PROTECTION_SET:
// any volume in the volume string set is valid
StringSet volumeIDs = ((ProtectionSet) resource).getVolumes();
if (volumeIDs != null && !volumeIDs.isEmpty()) {
for (String volumeID : volumeIDs) {
// No .get(), same as iterator.
return secondaryResourceLink(res.getService(), resource.getId(), new URI(volumeID));
}
}
// This will not produce a good URI, but it's impossible to get here with the dependent
// data model.
return simpleServiceLink(res.getService(), resource.getId());
default:
return simpleServiceLink(res, resource.getId());
}
} catch (URISyntaxException ex) {
return null; // impossible;
}
}
public static URI newLink(ResourceTypeEnum res, URI resource_id) {
try {
if (resource_id == null) {
return new URI("/");
}
if (res == null) {
return new URI("/" + resource_id);
}
if (res == ResourceTypeEnum.STORAGE_POOL
|| res == ResourceTypeEnum.STORAGE_PORT
|| res == ResourceTypeEnum.BLOCK_MIRROR
|| res == ResourceTypeEnum.RDF_GROUP
|| res == ResourceTypeEnum.VPLEX_MIRROR) {
URI link = _linkCache.get(resource_id);
if (link == null) {
DataObject resource =
_dbClient.queryObject(ResourceTypeMapping.getDataObjectClass(res), resource_id);
if (resource != null) {
link = newLink(resource);
_linkCache.put(resource_id, link);
} else {
link = NullColumnValueGetter.getNullURI();
}
}
return link;
} else {
return simpleServiceLink(res, resource_id);
}
} catch (URISyntaxException ex) {
return null; // impossible;
} catch (DatabaseException ex) {
return null;
}
}
