this.closed = false;
        }

        boolean isAlive() {
            return resourceRef.get() != null && !closed;
        }

        long getAge() {
            return System.currentTimeMillis() - creationTime;
        }
    }

    private ResourceManager() {
        ThreadFactory threadFactory = r -> {

            return b.toString();
        }).collect(Collectors.joining(",")));
        buf.append("},");
        final GarbageCollectors gc = jvmStats.getGc();
        buf.append("\"gc\":{");
        buf.append(Arrays.stream(gc.getCollectors()).map(c -> {
            final StringBuilder b = new StringBuilder();

            jvmPoolObj.capacity = p.getTotalCapacity().getBytes();
            return jvmPoolObj;
        }).toArray(n -> new JvmPoolObj[n]);
        final GarbageCollectors gc = jvmStats.getGc();
        jvmObj.gc = Arrays.stream(gc.getCollectors()).map(c -> {
            final JvmGcObj jvmGcObj = new JvmGcObj();
            jvmGcObj.key = c.getName();
            jvmGcObj.count = c.getCollectionCount();