maniksurtani/infinispan — comment on commit 881472c93206005b601cb8cc13be8d1668f4f9fb
File: core/src/main/java/org/infinispan/transaction/TransactionTable.java line 127
By galderz:

Although this is a much cleaner way to do it, didn't isStandaloneCache() do the same thing? isStandaloneCache was checking whether the RPC manager was null in which case the cache was local. So, if the rpc manager was anything but null, it was clustered.