public void setUsage(Usage usage) {
//        if (id != -1)
//            throw new UnsupportedOperationException("Data has already been sent. Cannot set usage.");

        this.usage = usage;
        this.setUpdateNeeded();
    }
@param usage The usage of this buffer. See {@link Usage} for more
information.
jme3-core/src/main/java/com/jme3/scene/VertexBuffer.java