public boolean isSameAcquirer(final Acquirer acquirer) {
            return acquirer != null && this.fencingToken == acquirer.fencingToken
                   && Objects.equals(this.id, acquirer.id);
        }
Returns the 'lock-context' of current lock owner.
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/util/concurrent/DistributedLock.java