Method writeDuration

base/src/main/java/net/time4j/SPX.java:489–525

(ObjectOutput out)

    }

    private void writeDuration(ObjectOutput out)
        throws IOException {

        Duration<?> d = Duration.class.cast(this.obj);
        int size = d.getTotalLength().size();
        boolean useLong = false;

        for (int i = 0, n = Math.min(size, 6); i < n; i++ ) {
            if (d.getTotalLength().get(i).getAmount() >= 1000) {
                useLong = true;
                break;
            }
        }

        int header = DURATION_TYPE;
        header <<= 4;
        if (useLong) {
            header |= 1;
        }
        out.writeByte(header);
        out.writeInt(size);

        for (int i = 0; i < size; i++ ) {
            TimeSpan.Item<?> item = d.getTotalLength().get(i);
            if (useLong) {
                out.writeLong(item.getAmount());
            } else {
                out.writeInt((int) item.getAmount());
            }
            out.writeObject(item.getUnit());
        }

        if (size > 0) {
            out.writeBoolean(d.isNegative());
        }

    }

    private Object readDuration(
        ObjectInput in,